diff --git a/module/task/control.php b/module/task/control.php
index 65a82e0334..394569b12c 100644
--- a/module/task/control.php
+++ b/module/task/control.php
@@ -29,7 +29,7 @@ class task extends control
     /**
      * Create a task.
      *
-     * @param  int    $projectID
+     * @param  int    $executionID
      * @param  int    $storyID
      * @param  int    $moduleID
      * @param  int    $taskID
@@ -37,17 +37,17 @@ class task extends control
      * @access public
      * @return void
      */
-    public function create($projectID = 0, $storyID = 0, $moduleID = 0, $taskID = 0, $todoID = 0)
+    public function create($executionID = 0, $storyID = 0, $moduleID = 0, $taskID = 0, $todoID = 0)
     {
-        $projects  = $this->project->getExecutionPairs($this->session->project);
-        $projectID = $this->project->saveState($projectID, $projects);
+        $executions  = $this->execution->getPairs($this->session->project);
+        $executionID = $this->execution->saveState($executionID, $executions);
 
-        $this->project->getLimitedExecution();
-        $limitedProjects = !empty($_SESSION['limitedProjects']) ? $_SESSION['limitedProjects'] : '';
-        if(strpos(",{$limitedProjects},", ",$projectID,") !== false)
+        $this->execution->getLimitedExecution();
+        $limitedExecutions = !empty($_SESSION['limitedExecutions']) ? $_SESSION['limitedExecutions'] : '';
+        if(strpos(",{$limitedExecutions},", ",$executionID,") !== false)
         {
             echo js::alert($this->lang->task->createDenied);
-            die(js::locate($this->createLink('project', 'task', "projectID=$projectID")));
+            die(js::locate($this->createLink('execution', 'task', "executionID=$executionID")));
         }
 
         $task = new stdClass();
@@ -65,8 +65,8 @@ class task extends control
         $task->color      = '';
         if($taskID > 0)
         {
-            $task      = $this->task->getByID($taskID);
-            $projectID = $task->project;
+            $task        = $this->task->getByID($taskID);
+            $executionID = $task->execution;
         }
 
         if($todoID > 0)
@@ -77,13 +77,12 @@ class task extends control
             $task->desc = $todo->desc;
         }
 
-        $project   = $this->project->getById($projectID);
-
-        $taskLink  = $this->createLink('project', 'browse', "projectID=$projectID&tab=task");
-        $storyLink = $this->session->storyList ? $this->session->storyList : $this->createLink('project', 'story', "projectID=$projectID");
+        $execution = $this->execution->getById($executionID);
+        $taskLink  = $this->createLink('execution', 'browse', "executionID=$executionID&tab=task");
+        $storyLink = $this->session->storyList ? $this->session->storyList : $this->createLink('execution', 'story', "executionID=$executionID");
 
         /* Set menu. */
-        $this->project->setMenu($projects, $project->id);
+        $this->execution->setMenu($executions, $execution->id);
 
         if(!empty($_POST))
         {
@@ -91,8 +90,8 @@ class task extends control
             $response['message'] = $this->lang->saveSuccess;
 
             setcookie('lastTaskModule', (int)$this->post->module, $this->config->cookieLife, $this->config->webRoot, '', false, false);
-            if($this->post->project) $projectID = (int)$this->post->project;
-            $tasksID = $this->task->create($projectID);
+            if($this->post->execution) $executionID = (int)$this->post->execution;
+            $tasksID = $this->task->create($executionID);
             if(dao::isError())
             {
                 $response['result']  = 'fail';
@@ -145,13 +144,13 @@ class task extends control
             if($this->post->after == 'continueAdding')
             {
                 $response['message'] = $this->lang->task->successSaved . $this->lang->task->afterChoices['continueAdding'];
-                $response['locate']  = $this->createLink('task', 'create', "projectID=$projectID&storyID={$this->post->story}&moduleID=$moduleID");
+                $response['locate']  = $this->createLink('task', 'create', "executionID=$executionID&storyID={$this->post->story}&moduleID=$moduleID");
                 $this->send($response);
             }
             elseif($this->post->after == 'toTaskList')
             {
                 setcookie('moduleBrowseParam',  0, 0, $this->config->webRoot, '', false, false);
-                $taskLink  = $this->createLink('project', 'task', "projectID=$projectID&status=unclosed&param=0&orderBy=id_desc");
+                $taskLink  = $this->createLink('execution', 'task', "executionID=$executionID&status=unclosed&param=0&orderBy=id_desc");
                 $response['locate'] = $taskLink;
                 $this->send($response);
             }
@@ -168,9 +167,9 @@ class task extends control
         }
 
         $users            = $this->loadModel('user')->getPairs('noclosed|nodeleted');
-        $members          = $this->project->getTeamMemberPairs($projectID, 'nodeleted');
-        $showAllModule    = isset($this->config->project->task->allModule) ? $this->config->project->task->allModule : '';
-        $moduleOptionMenu = $this->tree->getTaskOptionMenu($projectID, 0, 0, $showAllModule ? 'allModule' : '');
+        $members          = $this->execution->getTeamMemberPairs($executionID, 'nodeleted');
+        $showAllModule    = isset($this->config->execution->task->allModule) ? $this->config->execution->task->allModule : '';
+        $moduleOptionMenu = $this->tree->getTaskOptionMenu($executionID, 0, 0, $showAllModule ? 'allModule' : '');
 
         /* Fix bug #3381. When the story module is the root module. */
         if($storyID)
@@ -189,16 +188,16 @@ class task extends control
             $moduleID     = $this->tree->getStoryModule($task->module);
             $moduleIdList = $this->tree->getAllChildID($moduleID);
         }
-        $stories = $this->story->getProjectStoryPairs($projectID, 0, 0, $moduleIdList, 'full', 'unclosed');
+        $stories = $this->story->getExecutionStoryPairs($executionID, 0, 0, $moduleIdList, 'full', 'unclosed');
 
-        $title      = $project->name . $this->lang->colon . $this->lang->task->create;
-        $position[] = html::a($taskLink, $project->name);
+        $title      = $execution->name . $this->lang->colon . $this->lang->task->create;
+        $position[] = html::a($taskLink, $execution->name);
         $position[] = $this->lang->task->common;
         $position[] = $this->lang->task->create;
 
         /* Set Custom*/
         foreach(explode(',', $this->config->task->customCreateFields) as $field) $customFields[$field] = $this->lang->task->$field;
-        if($project->type == 'ops') unset($customFields['story']);
+        if($execution->type == 'ops') unset($customFields['story']);
 
         $this->view->customFields  = $customFields;
         $this->view->showFields    = $this->config->task->custom->createFields;
@@ -206,12 +205,12 @@ class task extends control
 
         $this->view->title            = $title;
         $this->view->position         = $position;
-        $this->view->project          = $project;
-        $this->view->projects         = $this->config->systemMode == 'classic' ? $projects : $this->execution->getByProject($this->session->project, 'all', 0, true);
+        $this->view->execution        = $execution;
+        $this->view->executions       = $this->config->systemMode == 'classic' ? $executions : $this->execution->getByProject($this->session->project, 'all', 0, true);
         $this->view->task             = $task;
         $this->view->users            = $users;
         $this->view->stories          = $stories;
-        $this->view->testStoryIdList  = $this->loadModel('story')->getTestStories(array_keys($stories), $project->id);
+        $this->view->testStoryIdList  = $this->loadModel('story')->getTestStories(array_keys($stories), $execution->id);
         $this->view->members          = $members;
         $this->view->moduleOptionMenu = $moduleOptionMenu;
         $this->display();
@@ -220,7 +219,7 @@ class task extends control
     /**
      * Batch create task.
      *
-     * @param int $projectID
+     * @param int $executionID
      * @param int $storyID
      * @param int $iframe
      * @param int $taskID
@@ -228,14 +227,14 @@ class task extends control
      * @access public
      * @return void
      */
-    public function batchCreate($projectID = 0, $storyID = 0, $moduleID = 0, $taskID = 0, $iframe = 0)
+    public function batchCreate($executionID = 0, $storyID = 0, $moduleID = 0, $taskID = 0, $iframe = 0)
     {
-        $this->project->getLimitedExecution();
-        $limitedProjects = !empty($_SESSION['limitedProjects']) ? $_SESSION['limitedProjects'] : '';
-        if(strpos(",{$limitedProjects},", ",$projectID,") !== false)
+        $this->execution->getLimitedExecution();
+        $limitedExecutions = !empty($_SESSION['limitedExecutions']) ? $_SESSION['limitedExecutions'] : '';
+        if(strpos(",{$limitedExecutions},", ",$executionID,") !== false)
         {
             echo js::alert($this->lang->task->createDenied);
-            die(js::locate($this->createLink('project', 'task', "projectID=$projectID")));
+            die(js::locate($this->createLink('execution', 'task', "executionID=$executionID")));
         }
 
         if($this->config->systemMode == 'new')
@@ -244,12 +243,12 @@ class task extends control
             if($project->model == 'waterfall') $this->config->task->create->requiredFields .= ',estStarted,deadline';
         }
 
-        $project   = $this->project->getById($projectID);
-        $taskLink  = $this->createLink('project', 'browse', "projectID=$projectID&tab=task");
-        $storyLink = $this->session->storyList ? $this->session->storyList : $this->createLink('project', 'story', "projectID=$projectID");
+        $execution = $this->execution->getById($executionID);
+        $taskLink  = $this->createLink('execution', 'browse', "executionID=$executionID&tab=task");
+        $storyLink = $this->session->storyList ? $this->session->storyList : $this->createLink('execution', 'story', "executionID=$executionID");
 
         /* Set menu. */
-        $this->project->setMenu($this->project->getExecutionPairs($this->session->project), $project->id);
+        $this->execution->setMenu($this->execution->getPairs($this->session->project), $execution->id);
 
         /* When common task are child tasks, query whether common task are consumed. */
         $taskConsumed = 0;
@@ -261,7 +260,7 @@ class task extends control
 
         if(!empty($_POST))
         {
-            $mails = $this->task->batchCreate($projectID);
+            $mails = $this->task->batchCreate($executionID);
             if(dao::isError()) $this->send(array('result' => 'fail', 'message' => dao::getError()));
 
             /* Locate the browser. */
@@ -275,14 +274,14 @@ class task extends control
         $this->view->showFields   = $this->config->task->custom->batchCreateFields;
 
 
-        $stories = $this->story->getProjectStoryPairs($projectID, 0, 0, 0, 'short');
-        $members = $this->project->getTeamMemberPairs($projectID, 'nodeleted');
+        $stories = $this->story->getExecutionStoryPairs($executionID, 0, 0, 0, 'short');
+        $members = $this->execution->getTeamMemberPairs($executionID, 'nodeleted');
 
-        $showAllModule = isset($this->config->project->task->allModule) ? $this->config->project->task->allModule : '';
-        $modules       = $this->loadModel('tree')->getTaskOptionMenu($projectID, 0, 0, $showAllModule ? 'allModule' : '');
+        $showAllModule = isset($this->config->execution->task->allModule) ? $this->config->execution->task->allModule : '';
+        $modules       = $this->loadModel('tree')->getTaskOptionMenu($executionID, 0, 0, $showAllModule ? 'allModule' : '');
 
-        $title      = $project->name . $this->lang->colon . $this->lang->task->batchCreate;
-        $position[] = html::a($taskLink, $project->name);
+        $title      = $execution->name . $this->lang->colon . $this->lang->task->batchCreate;
+        $position[] = html::a($taskLink, $execution->name);
         $position[] = $this->lang->task->common;
         $position[] = $this->lang->task->batchCreate;
 
@@ -290,13 +289,13 @@ class task extends control
 
         $this->view->title        = $title;
         $this->view->position     = $position;
-        $this->view->project      = $project;
+        $this->view->execution    = $execution;
         $this->view->stories      = $stories;
         $this->view->modules      = $modules;
         $this->view->parent       = $taskID;
         $this->view->storyID      = $storyID;
         $this->view->story        = $this->story->getByID($storyID);
-        $this->view->storyTasks   = $this->task->getStoryTaskCounts(array_keys($stories), $projectID);
+        $this->view->storyTasks   = $this->task->getStoryTaskCounts(array_keys($stories), $executionID);
         $this->view->members      = $members;
         $this->view->moduleID     = $moduleID;
         $this->view->taskConsumed = $taskConsumed;
@@ -312,14 +311,14 @@ class task extends control
      */
     public function commonAction($taskID)
     {
-        $this->view->task    = $this->loadModel('task')->getByID($taskID);
-        $this->view->project = $this->project->getById($this->view->task->project);
-        $this->view->members = $this->project->getTeamMemberPairs($this->view->project->id ,'nodeleted');
-        $this->view->actions = $this->loadModel('action')->getList('task', $taskID);
+        $this->view->task      = $this->loadModel('task')->getByID($taskID);
+        $this->view->execution = $this->execution->getById($this->view->task->execution);
+        $this->view->members   = $this->execution->getTeamMemberPairs($this->view->execution->id ,'nodeleted');
+        $this->view->actions   = $this->loadModel('action')->getList('task', $taskID);
 
         /* Set menu. */
-        $this->project->setMenu($this->project->getExecutionPairs($this->session->project), $this->view->project->id);
-        $this->view->position[] = html::a($this->createLink('project', 'browse', "project={$this->view->task->project}"), $this->view->project->name);
+        $this->execution->setMenu($this->execution->getPairs($this->session->project), $this->view->execution->id);
+        $this->view->position[] = html::a($this->createLink('execution', 'browse', "execution={$this->view->task->execution}"), $this->view->execution->name);
     }
 
     /**
@@ -379,7 +378,7 @@ class task extends control
             }
         }
 
-        $tasks = $this->task->getParentTaskPairs($this->view->project->id, $this->view->task->parent);
+        $tasks = $this->task->getParentTaskPairs($this->view->execution->id, $this->view->task->parent);
         if(isset($tasks[$taskID])) unset($tasks[$taskID]);
 
         if(!isset($this->view->members[$this->view->task->assignedTo])) $this->view->members[$this->view->task->assignedTo] = $this->view->task->assignedTo;
@@ -388,12 +387,12 @@ class task extends control
         $this->view->title         = $this->lang->task->edit . 'TASK' . $this->lang->colon . $this->view->task->name;
         $this->view->position[]    = $this->lang->task->common;
         $this->view->position[]    = $this->lang->task->edit;
-        $this->view->stories       = $this->story->getProjectStoryPairs($this->view->project->id);
+        $this->view->stories       = $this->story->getExecutionStoryPairs($this->view->execution->id);
         $this->view->tasks         = $tasks;
         $this->view->users         = $this->loadModel('user')->getPairs('nodeleted', "{$this->view->task->openedBy},{$this->view->task->canceledBy},{$this->view->task->closedBy}");
-        $this->view->showAllModule = isset($this->config->project->task->allModule) ? $this->config->project->task->allModule : '';
-        $this->view->modules       = $this->tree->getTaskOptionMenu($this->view->task->project, 0, 0, $this->view->showAllModule ? 'allModule' : '');
-        $this->view->projects      = $this->config->systemMode == 'classic' ? $this->project->getExecutionPairs() : $this->execution->getByProject($this->session->project, 'all', 0, true);
+        $this->view->showAllModule = isset($this->config->execution->task->allModule) ? $this->config->execution->task->allModule : '';
+        $this->view->modules       = $this->tree->getTaskOptionMenu($this->view->task->execution, 0, 0, $this->view->showAllModule ? 'allModule' : '');
+        $this->view->executions    = $this->config->systemMode == 'classic' ? $this->execution->getPairs() : $this->execution->getByProject($this->session->project, 'all', 0, true);
         $this->display();
     }
 
@@ -445,16 +444,16 @@ class task extends control
         /* The tasks of execution. */
         if($executionID)
         {
-            $execution = $this->project->getById($executionID);
-            $this->project->setMenu($this->project->getExecutionPairs($this->session->project), $execution->id);
+            $execution = $this->execution->getById($executionID);
+            $this->execution->setMenu($this->execution->getPairs($this->session->project), $execution->id);
 
             /* Set modules and members. */
-            $showAllModule = isset($this->config->project->task->allModule) ? $this->config->project->task->allModule : '';
+            $showAllModule = isset($this->config->task->allModule) ? $this->config->task->allModule : '';
             $modules       = $this->tree->getTaskOptionMenu($executionID, 0, 0, $showAllModule ? 'allModule' : '');
             $modules       = array('ditto' => $this->lang->task->ditto) + $modules;
 
             $this->view->title      = $execution->name . $this->lang->colon . $this->lang->task->batchEdit;
-            $this->view->position[] = html::a($this->createLink('project', 'browse', "executionID=$execution->id"), $execution->name);
+            $this->view->position[] = html::a($this->createLink('execution', 'browse', "executionID=$execution->id"), $execution->name);
             $this->view->execution  = $execution;
             $this->view->modules    = $modules;
         }
@@ -476,7 +475,7 @@ class task extends control
 
         /* Get execution teams. */
         $executionIDList = array();
-        foreach($tasks as $task) if(!in_array($task->project, $executionIDList)) $executionIDList[] = $task->project;
+        foreach($tasks as $task) if(!in_array($task->execution, $executionIDList)) $executionIDList[] = $task->execution;
         $executionTeams = $this->dao->select('*')->from(TABLE_TEAM)->where('root')->in($executionIDList)->andWhere('type')->in('sprint,stage')->fetchGroup('root', 'account');
 
         /* Judge whether the editedTasks is too large and set session. */
@@ -514,7 +513,7 @@ class task extends control
      * @access public
      * @return void
      */
-    public function assignTo($projectID, $taskID)
+    public function assignTo($executionID, $taskID)
     {
         $this->commonAction($taskID);
 
@@ -534,7 +533,7 @@ class task extends control
 
         $task = $this->task->getByID($taskID);
 
-        $members = $this->project->getTeamMemberPairs($projectID, 'nodeleted');
+        $members = $this->execution->getTeamMemberPairs($executionID, 'nodeleted');
 
         /* Compute next assignedTo. */
         if(!empty($task->team))
@@ -546,7 +545,7 @@ class task extends control
         if(!isset($members[$task->assignedTo])) $members[$task->assignedTo] = $task->assignedTo;
         if(isset($members['closed']) or $task->status == 'closed') $members['closed'] = 'Closed';
 
-        $this->view->title      = $this->view->project->name . $this->lang->colon . $this->lang->task->assign;
+        $this->view->title      = $this->view->execution->name . $this->lang->colon . $this->lang->task->assign;
         $this->view->position[] = $this->lang->task->assign;
         $this->view->task       = $task;
         $this->view->members    = $members;
@@ -584,11 +583,11 @@ class task extends control
     /**
      * Batch update assign of task.
      *
-     * @param  int    $project
+     * @param  int    $execution
      * @access public
      * @return void
      */
-    public function batchAssignTo($project)
+    public function batchAssignTo($execution)
     {
         if(!empty($_POST))
         {
@@ -596,7 +595,7 @@ class task extends control
             $taskIDList = $this->post->taskIDList;
             $taskIDList = array_unique($taskIDList);
             unset($_POST['taskIDList']);
-            if(!is_array($taskIDList)) die(js::locate($this->createLink('project', 'task', "projectID=$project"), 'parent'));
+            if(!is_array($taskIDList)) die(js::locate($this->createLink('execution', 'task', "executionID=$execution"), 'parent'));
             $taskIDList = array_unique($taskIDList);
 
             $muletipleTasks = $this->dao->select('root , account')->from(TABLE_TEAM)->where('type')->eq('task')->andWhere('root')->in($taskIDList)->fetchGroup('root', 'account');
@@ -628,7 +627,7 @@ class task extends control
     {
         $task = $this->task->getById($taskID, true);
         if(!$task) die(js::error($this->lang->notFound) . js::locate('back'));
-        $this->session->project = $task->PRJ;
+        $this->session->project = $task->project;
 
         if($task->fromBug != 0)
         {
@@ -655,19 +654,19 @@ class task extends control
         if($task->assignedTo == $this->app->user->account) $this->loadModel('action')->read('task', $taskID);
 
         /* Set menu. */
-        $project = $this->project->getById($task->project);
-        $this->project->setMenu($this->project->getExecutionPairs($this->session->project), $project->id);
+        $execution = $this->execution->getById($task->execution);
+        $this->execution->setMenu($this->execution->getPairs($this->session->project), $execution->id);
 
         $this->executeHooks($taskID);
 
-        $title      = "TASK#$task->id $task->name / $project->name";
-        $position[] = html::a($this->createLink('project', 'browse', "projectID=$task->project"), $project->name);
+        $title      = "TASK#$task->id $task->name / $execution->name";
+        $position[] = html::a($this->createLink('execution', 'browse', "executionID=$task->execution"), $execution->name);
         $position[] = $this->lang->task->common;
         $position[] = $this->lang->task->view;
 
         $this->view->title      = $title;
         $this->view->position   = $position;
-        $this->view->project    = $project;
+        $this->view->execution  = $execution;
         $this->view->task       = $task;
         $this->view->actions    = $this->loadModel('action')->getList('task', $taskID);
         $this->view->users      = $this->loadModel('user')->getPairs('noletter');
@@ -742,11 +741,11 @@ class task extends control
             die(js::locate($this->createLink('task', 'view', "taskID=$taskID"), 'parent'));
         }
 
-        $this->view->title      = $this->view->project->name . $this->lang->colon .$this->lang->task->start;
+        $this->view->title      = $this->view->execution->name . $this->lang->colon .$this->lang->task->start;
         $this->view->position[] = $this->lang->task->start;
 
         $this->view->users      = $this->loadModel('user')->getPairs('noletter');
-        $this->view->members    = $this->execution->getTeamMemberPairs($task->project, 'nodeleted');
+        $this->view->members    = $this->execution->getTeamMemberPairs($task->execution, 'nodeleted');
         $this->view->assignedTo = $task->assignedTo == '' ? $this->app->user->account : $task->assignedTo;
         $this->display();
     }
@@ -905,7 +904,7 @@ class task extends control
         }
 
         $task         = $this->view->task;
-        $members      = $this->execution->getTeamMemberPairs($task->project, 'nodeleted');
+        $members      = $this->execution->getTeamMemberPairs($task->execution, 'nodeleted');
         $task->nextBy = $task->openedBy;
 
         $this->view->users = $members;
@@ -927,7 +926,7 @@ class task extends control
             }
         }
 
-        $this->view->title      = $this->view->project->name . $this->lang->colon .$this->lang->task->finish;
+        $this->view->title      = $this->view->execution->name . $this->lang->colon .$this->lang->task->finish;
         $this->view->position[] = $this->lang->task->finish;
         $this->view->members    = $members;
 
@@ -963,7 +962,7 @@ class task extends control
             die(js::locate($this->createLink('task', 'view', "taskID=$taskID"), 'parent'));
         }
 
-        $this->view->title      = $this->view->project->name . $this->lang->colon .$this->lang->task->pause;
+        $this->view->title      = $this->view->execution->name . $this->lang->colon .$this->lang->task->pause;
         $this->view->position[] = $this->lang->task->pause;
 
         $this->view->users = $this->loadModel('user')->getPairs('noletter');
@@ -1002,11 +1001,11 @@ class task extends control
             die(js::locate($this->createLink('task', 'view', "taskID=$taskID"), 'parent'));
         }
 
-        $this->view->title      = $this->view->project->name . $this->lang->colon .$this->lang->task->restart;
+        $this->view->title      = $this->view->execution->name . $this->lang->colon .$this->lang->task->restart;
         $this->view->position[] = $this->lang->task->restart;
 
         $this->view->users      = $this->loadModel('user')->getPairs('noletter');
-        $this->view->members    = $this->execution->getTeamMemberPairs($task->project, 'nodeleted');
+        $this->view->members    = $this->execution->getTeamMemberPairs($task->execution, 'nodeleted');
         $this->view->assignedTo = $task->assignedTo == '' ? $this->app->user->account : $task->assignedTo;
         $this->display();
     }
@@ -1048,7 +1047,7 @@ class task extends control
             }
         }
 
-        $this->view->title      = $this->view->project->name . $this->lang->colon .$this->lang->task->finish;
+        $this->view->title      = $this->view->execution->name . $this->lang->colon .$this->lang->task->finish;
         $this->view->position[] = $this->lang->task->finish;
         $this->view->users      = $this->loadModel('user')->getPairs('noletter');
 
@@ -1171,7 +1170,7 @@ class task extends control
             die(js::locate($this->createLink('task', 'view', "taskID=$taskID"), 'parent'));
         }
 
-        $this->view->title      = $this->view->project->name . $this->lang->colon .$this->lang->task->cancel;
+        $this->view->title      = $this->view->execution->name . $this->lang->colon .$this->lang->task->cancel;
         $this->view->position[] = $this->lang->task->cancel;
         $this->view->users      = $this->loadModel('user')->getPairs('noletter');
 
@@ -1208,7 +1207,7 @@ class task extends control
         }
 
         if(!isset($this->view->members[$this->view->task->finishedBy])) $this->view->members[$this->view->task->finishedBy] = $this->view->task->finishedBy;
-        $this->view->title      = $this->view->project->name . $this->lang->colon . $this->lang->task->activate;
+        $this->view->title      = $this->view->execution->name . $this->lang->colon . $this->lang->task->activate;
         $this->view->position[] = $this->lang->task->activate;
         $this->view->users      = $this->loadModel('user')->getPairs('noletter');
         $this->display();
@@ -1217,20 +1216,20 @@ class task extends control
     /**
      * Delete a task.
      *
-     * @param  int    $projectID
+     * @param  int    $executionID
      * @param  int    $taskID
      * @param  string $confirm yes|no
      * @access public
      * @return void
      */
-    public function delete($projectID, $taskID, $confirm = 'no')
+    public function delete($executionID, $taskID, $confirm = 'no')
     {
         $task = $this->task->getById($taskID);
         if($task->parent < 0) die(js::alert($this->lang->task->cannotDeleteParent));
 
         if($confirm == 'no')
         {
-            die(js::confirm($this->lang->task->confirmDelete, inlink('delete', "projectID=$projectID&taskID=$taskID&confirm=yes")));
+            die(js::confirm($this->lang->task->confirmDelete, inlink('delete', "executionID=$executionID&taskID=$taskID&confirm=yes")));
         }
         else
         {
@@ -1271,16 +1270,16 @@ class task extends control
     }
 
     /**
-     * AJAX: return project tasks in html select.
+     * AJAX: return execution tasks in html select.
      *
-     * @param  int    $projectID
+     * @param  int    $executionID
      * @param  int    $taskID
      * @access public
      * @return string
      */
-    public function ajaxGetProjectTasks($projectID, $taskID = 0)
+    public function ajaxGetExecutionTasks($executionID, $taskID = 0)
     {
-        $tasks = $this->task->getProjectTaskPairs((int)$projectID);
+        $tasks = $this->task->getExecutionTaskPairs((int)$executionID);
         die(html::select('task', empty($tasks) ? array('' => '') : $tasks, $taskID, "class='form-control'"));
     }
 
@@ -1300,12 +1299,12 @@ class task extends control
     /**
      * The report page.
      *
-     * @param  int    $projectID
+     * @param  int    $executionID
      * @param  string $browseType
      * @access public
      * @return void
      */
-    public function report($projectID, $browseType = 'all', $chartType = 'default')
+    public function report($executionID, $browseType = 'all', $chartType = 'default')
     {
         $this->loadModel('report');
         $this->view->charts   = array();
@@ -1324,14 +1323,14 @@ class task extends control
             }
         }
 
-        $projects = $this->project->getExecutionPairs($this->session->project);
+        $executions = $this->execution->getPairs($this->session->project);
 
-        $this->project->setMenu($projects, $projectID);
-        $this->projects            = $projects;
-        $this->view->title         = $this->projects[$projectID] . $this->lang->colon . $this->lang->task->report->common;
-        $this->view->position[]    = $this->projects[$projectID];
+        $this->execution->setMenu($executions, $executionID);
+        $this->executions          = $executions;
+        $this->view->title         = $this->executions[$executionID] . $this->lang->colon . $this->lang->task->report->common;
+        $this->view->position[]    = $this->executions[$executionID];
         $this->view->position[]    = $this->lang->task->report->common;
-        $this->view->projectID     = $projectID;
+        $this->view->executionID   = $executionID;
         $this->view->browseType    = $browseType;
         $this->view->chartType     = $chartType;
         $this->view->checkedCharts = $this->post->charts ? join(',', $this->post->charts) : '';
@@ -1342,16 +1341,16 @@ class task extends control
     /**
      * get data to export
      *
-     * @param  int $projectID
+     * @param  int $executionID
      * @param  string $orderBy
      * @access public
      * @return void
      */
-    public function export($projectID, $orderBy, $type)
+    public function export($executionID, $orderBy, $type)
     {
-        $project = $this->project->getById($projectID);
+        $execution       = $this->execution->getById($executionID);
         $allExportFields = $this->config->task->exportFields;
-        if($project->type == 'ops') $allExportFields = str_replace(' story,', '', $allExportFields);
+        if($execution->type == 'ops') $allExportFields = str_replace(' story,', '', $allExportFields);
 
         if($_POST)
         {
@@ -1400,9 +1399,9 @@ class task extends control
                 while($row = $stmt->fetch()) $tasks[$row->id] = $row;
             }
 
-            /* Get users and projects. */
-            $users    = $this->loadModel('user')->getPairs('noletter');
-            $projects = $this->execution->getPairs($this->session->project, 'all', 'all|nocode');
+            /* Get users and executions. */
+            $users      = $this->loadModel('user')->getPairs('noletter');
+            $executions = $this->execution->getPairs($this->session->execution, 'all', 'all|nocode');
 
             /* Get related objects id lists. */
             $relatedStoryIdList  = array();
@@ -1466,7 +1465,7 @@ class task extends control
 
             if($type == 'group')
             {
-                $stories    = $this->loadModel('story')->getProjectStories($projectID);
+                $stories    = $this->loadModel('story')->getExecutionStories($executionID);
                 $groupTasks = array();
                 foreach($tasks as $task)
                 {
@@ -1525,7 +1524,7 @@ class task extends control
                 /* fill some field with useful value. */
                 $task->story = isset($relatedStories[$task->story]) ? $relatedStories[$task->story] . "(#$task->story)" : '';
 
-                if(isset($projects[$task->project]))                  $task->project      = $projects[$task->project] . "(#$task->project)";
+                if(isset($executions[$task->execution]))              $task->execution    = $executions[$task->execution] . "(#$task->execution)";
                 if(isset($taskLang->typeList[$task->type]))           $task->type         = $taskLang->typeList[$task->type];
                 if(isset($taskLang->priList[$task->pri]))             $task->pri          = $taskLang->priList[$task->pri];
                 if(isset($taskLang->statusList[$task->status]))       $task->status       = $this->processStatus('task', $task);
@@ -1548,9 +1547,9 @@ class task extends control
                 $task->canceledDate   = substr($task->canceledDate,   0, 10);
                 $task->closedDate     = substr($task->closedDate,     0, 10);
                 $task->lastEditedDate = substr($task->lastEditedDate, 0, 10);
-                $task->estimate       = $task->estimate . $this->lang->project->workHourUnit;
-                $task->consumed       = $task->consumed . $this->lang->project->workHourUnit;
-                $task->left           = $task->left     . $this->lang->project->workHourUnit;
+                $task->estimate       = $task->estimate . $this->lang->execution->workHourUnit;
+                $task->consumed       = $task->consumed . $this->lang->execution->workHourUnit;
+                $task->left           = $task->left     . $this->lang->execution->workHourUnit;
 
                 /* Set related files. */
                 $task->files = '';
@@ -1571,24 +1570,24 @@ class task extends control
             $this->fetch('file', 'export2' . $this->post->fileType, $_POST);
         }
 
-        $this->app->loadLang('project');
-        $fileName = $this->lang->task->common;
-        $projectName = $this->dao->findById($projectID)->from(TABLE_PROJECT)->fetch('name');
-        if(isset($this->lang->project->featureBar['task'][$type]))
+        $this->app->loadLang('execution');
+        $fileName      = $this->lang->task->common;
+        $executionName = $this->dao->findById($executionID)->from(TABLE_PROJECT)->fetch('name');
+        if(isset($this->lang->execution->featureBar['task'][$type]))
         {
-            $browseType = $this->lang->project->featureBar['task'][$type];
+            $browseType = $this->lang->execution->featureBar['task'][$type];
         }
         else
         {
-            $browseType = isset($this->lang->project->statusSelects[$type]) ? $this->lang->project->statusSelects[$type] : '';
+            $browseType = isset($this->lang->execution->statusSelects[$type]) ? $this->lang->execution->statusSelects[$type] : '';
         }
 
-        $this->view->fileName        = $projectName . $this->lang->dash . $browseType . $fileName;
+        $this->view->fileName        = $executionName . $this->lang->dash . $browseType . $fileName;
         $this->view->allExportFields = $allExportFields;
         $this->view->customExport    = true;
         $this->view->orderBy         = $orderBy;
         $this->view->type            = $type;
-        $this->view->projectID       = $projectID;
+        $this->view->executionID     = $executionID;
         $this->display();
     }
 
diff --git a/module/task/js/batchcreate.js b/module/task/js/batchcreate.js
index f4e2085893..dd2ff4963f 100755
--- a/module/task/js/batchcreate.js
+++ b/module/task/js/batchcreate.js
@@ -7,9 +7,9 @@ $(function()
 });
 
 /* Get select of stories.*/
-function setStories(moduleID, projectID, num)
+function setStories(moduleID, executionID, num)
 {
-    link = createLink('story', 'ajaxGetProjectStories', 'projectID=' + projectID + '&productID=0&branch=0&moduleID=' + moduleID + '&storyID=0&num=' + num + '&type=short');
+    link = createLink('story', 'ajaxGetExecutionStories', 'executionID=' + executionID + '&productID=0&branch=0&moduleID=' + moduleID + '&storyID=0&num=' + num + '&type=short');
     $.get(link, function(stories)
     {
         var storyID = $('#story' + num).val();
diff --git a/module/task/js/create.js b/module/task/js/create.js
index ace4bc76bb..84453be652 100644
--- a/module/task/js/create.js
+++ b/module/task/js/create.js
@@ -1,27 +1,27 @@
 /**
  * Load module, stories and members.
  *
- * @param  int    $projectID
+ * @param  int    $executionID
  * @access public
  * @return void
  */
-function loadAll(projectID)
+function loadAll(executionID)
 {
-    loadModuleMenu(projectID);
-    loadProjectStories(projectID);
-    loadProjectMembers(projectID);
+    loadModuleMenu(executionID);
+    loadExecutionStories(executionID);
+    loadExecutionMembers(executionID);
 }
 
 /**
- * Load team members of the project.
+ * Load team members of the execution.
  *
- * @param  int    $projectID
+ * @param  int    $executionID
  * @access public
  * @return void
  */
-function loadProjectMembers(projectID)
+function loadExecutionMembers(executionID)
 {
-    $.get(createLink('project', 'ajaxGetMembers', 'projectID=' + projectID + '&assignedTo=' + $('#assignedTo').val()), function(data)
+    $.get(createLink('execution', 'ajaxGetMembers', 'executionID=' + executionID + '&assignedTo=' + $('#assignedTo').val()), function(data)
     {
         $('#assignedTo_chosen').remove();
         $('#assignedTo').next('.picker').remove();
@@ -39,15 +39,15 @@ function loadProjectMembers(projectID)
 }
 
 /**
- * Load stories of the project.
+ * Load stories of the execution.
  *
- * @param  int    $projectID
+ * @param  int    $executionID
  * @access public
  * @return void
  */
-function loadProjectStories(projectID)
+function loadExecutionStories(executionID)
 {
-    $.get(createLink('story', 'ajaxGetProjectStories', 'projectID=' + projectID + '&productID=0&branch=0&moduleID=0&storyID=' + $('#story').val()), function(data)
+    $.get(createLink('story', 'ajaxGetExecutionStories', 'executionID=' + executionID + '&productID=0&branch=0&moduleID=0&storyID=' + $('#story').val()), function(data)
     {
         $('#story_chosen').remove();
         $('#story').next('.picker').remove();
@@ -57,15 +57,15 @@ function loadProjectStories(projectID)
 }
 
 /**
- * Load module of the project.
+ * Load module of the execution.
  *
- * @param  int    $projectID
+ * @param  int    $executionID
  * @access public
  * @return void
  */
-function loadModuleMenu(projectID)
+function loadModuleMenu(executionID)
 {
-    var link = createLink('tree', 'ajaxGetOptionMenu', 'rootID=' + projectID + '&viewtype=task');
+    var link = createLink('tree', 'ajaxGetOptionMenu', 'rootID=' + executionID + '&viewtype=task');
     $('#moduleIdBox').load(link, function(){$('#module').chosen();});
 }
 
@@ -195,14 +195,14 @@ function setAfter()
 /**
  * Load stories.
  *
- * @param  int    $projectID
+ * @param  int    $executionID
  * @access public
  * @return void
  */
-function loadStories(projectID)
+function loadStories(executionID)
 {
     moduleID  = $('#module').val();
-    setStories(moduleID, projectID);
+    setStories(moduleID, executionID);
 }
 
 /**
@@ -213,15 +213,15 @@ function loadStories(projectID)
  */
 function loadModuleRelated()
 {
-    moduleID  = $('#module').val();
-    projectID = $('#project').val();
-    setStories(moduleID, projectID);
+    moduleID    = $('#module').val();
+    executionID = $('#execution').val();
+    setStories(moduleID, executionID);
 }
 
 /* Get select of stories.*/
-function setStories(moduleID, projectID)
+function setStories(moduleID, executionID)
 {
-    link = createLink('story', 'ajaxGetProjectStories', 'projectID=' + projectID + '&productID=0&branch=0&moduleID=' + moduleID);
+    link = createLink('story', 'ajaxGetExecutionStories', 'executionID=' + executionID + '&productID=0&branch=0&moduleID=' + moduleID);
     $.get(link, function(stories)
     {
         var storyID = $('#story').val();
@@ -428,9 +428,9 @@ $(document).ready(function()
     {
         var moduleID = $('#moduleIdBox #module').val();
         var extra    = $(this).prop('checked') ? 'allModule' : '';
-        $('#moduleIdBox').load(createLink('tree', 'ajaxGetOptionMenu', "rootID=" + projectID + '&viewType=task&branch=0&rootModuleID=0&returnType=html&fieldID=&needManage=0&extra=' + extra), function()
+        $('#moduleIdBox').load(createLink('tree', 'ajaxGetOptionMenu', "rootID=" + executionID + '&viewType=task&branch=0&rootModuleID=0&returnType=html&fieldID=&needManage=0&extra=' + extra), function()
         {
-            $('#moduleIdBox #module').val(moduleID).attr('onchange', "setStories(this.value, " + projectID + ")").chosen();
+            $('#moduleIdBox #module').val(moduleID).attr('onchange', "setStories(this.value, " + executionID + ")").chosen();
         });
     });
 });
diff --git a/module/task/js/edit.js b/module/task/js/edit.js
index 9f1f3677c5..db37cd3ac0 100644
--- a/module/task/js/edit.js
+++ b/module/task/js/edit.js
@@ -1,86 +1,86 @@
-$(function() 
+$(function()
 {
     $('.record-estimate-toggle').modalTrigger({width:900, type:'iframe', afterHide: function(){parent.location.href=parent.location.href;}});
 })
 
 /**
- * Load module, stories and members. 
- * 
- * @param  int    $projectID 
+ * Load module, stories and members.
+ *
+ * @param  int    $executionID
  * @access public
  * @return void
  */
-function loadAll(projectID)
+function loadAll(executionID)
 {
-    if(!changeProjectConfirmed)
+    if(!changeExecutionConfirmed)
     {
-        firstChoice = confirm(confirmChangeProject);
-        changeProjectConfirmed = true;    // Only notice the user one time.
+        firstChoice = confirm(confirmChangeExecution);
+        changeExecutionConfirmed = true;    // Only notice the user one time.
     }
-    if(changeProjectConfirmed && firstChoice)
+    if(changeExecutionConfirmed && firstChoice)
     {
-        loadModuleMenu(projectID); 
-        loadProjectStories(projectID);
-        loadProjectMembers(projectID);
+        loadModuleMenu(executionID);
+        loadExecutionStories(executionID);
+        loadExecutionMembers(executionID);
     }
     else
     {
-        $('#project').val(oldProjectID);
-        $("#project").trigger("chosen:updated");
+        $('#execution').val(oldExecutionID);
+        $("#execution").trigger("chosen:updated");
     }
 }
 
 /**
- * Load module of the project. 
- * 
- * @param  int    $projectID 
+ * Load module of the execution.
+ *
+ * @param  int    $executionID
  * @access public
  * @return void
  */
-function loadModuleMenu(projectID)
+function loadModuleMenu(executionID)
 {
-    var link = createLink('tree', 'ajaxGetOptionMenu', 'rootID=' + projectID + '&viewtype=task');
+    var link = createLink('tree', 'ajaxGetOptionMenu', 'rootID=' + executionID + '&viewtype=task');
     $('#moduleIdBox').load(link, function(){$('#module').chosen();});
 }
 
 /**
- * Load stories of the project. 
- * 
- * @param  int    $projectID 
+ * Load stories of the execution.
+ *
+ * @param  int    $executionID
  * @access public
  * @return void
  */
-function loadProjectStories(projectID, moduleID)
+function loadExecutionStories(executionID, moduleID)
 {
     if(typeof(moduleID) == 'undefined') moduleID = 0;
-    var link = createLink('story', 'ajaxGetProjectStories', 'projectID=' + projectID + '&productID=0&branch=0&moduleID=' + moduleID + '&storyID=' + oldStoryID);
+    var link = createLink('story', 'ajaxGetExecutionStories', 'executionID=' + executionID + '&productID=0&branch=0&moduleID=' + moduleID + '&storyID=' + oldStoryID);
     $('#storyIdBox').load(link, function(){$('#story').chosen();});
 }
 
 /**
- * Load team members of the project. 
- * 
- * @param  int    $projectID 
+ * Load team members of the execution.
+ *
+ * @param  int    $executionID
  * @access public
  * @return void
  */
-function loadProjectMembers(projectID)
+function loadExecutionMembers(executionID)
 {
-    var link = createLink('project', 'ajaxGetMembers', 'projectID=' + projectID + '&assignedTo=' + oldAssignedTo);
+    var link = createLink('execution', 'ajaxGetMembers', 'executionID=' + executionID + '&assignedTo=' + oldAssignedTo);
     $('#assignedToIdBox').load(link, function(){$('#assignedToIdBox').find('select').chosen()});
 }
 
 /**
  * Load module related
- * 
+ *
  * @access public
  * @return void
  */
 function loadModuleRelated()
 {
-    moduleID  = $('#module').val();
-    projectID = $('#project').val();
-    loadProjectStories(projectID, moduleID)
+    moduleID    = $('#module').val();
+    executionID = $('#execution').val();
+    loadExecutionStories(executionID, moduleID)
 }
 
 /* empty function. */
@@ -148,7 +148,7 @@ $(document).ready(function()
     {
         var moduleID = $('#moduleIdBox #module').val();
         var extra    = $(this).prop('checked') ? 'allModule' : '';
-        $('#moduleIdBox').load(createLink('tree', 'ajaxGetOptionMenu', "rootID=" + projectID + '&viewType=task&branch=0&rootModuleID=0&returnType=html&fieldID=&needManage=0&extra=' + extra), function()
+        $('#moduleIdBox').load(createLink('tree', 'ajaxGetOptionMenu', "rootID=" + executionID + '&viewType=task&branch=0&rootModuleID=0&returnType=html&fieldID=&needManage=0&extra=' + extra), function()
         {
             $('#moduleIdBox #module').val(moduleID).attr('onchange', "loadModuleRelated()").chosen();
         });
diff --git a/module/task/js/report.js b/module/task/js/report.js
index 80fc14da27..db319175bf 100644
--- a/module/task/js/report.js
+++ b/module/task/js/report.js
@@ -14,6 +14,6 @@ $(function()
 
 function changeChartType(type)
 {
-    $('form').attr('action', createLink('task', 'report', 'projectID=' + projectID + '&browseType=' + browseType + '&chartType=' + type));
+    $('form').attr('action', createLink('task', 'report', 'executionID=' + executionID + '&browseType=' + browseType + '&chartType=' + type));
     $('form').find('#submit').click();
 }
diff --git a/module/task/lang/de.php b/module/task/lang/de.php
index 4a711897c1..5a1b4ac230 100644
--- a/module/task/lang/de.php
+++ b/module/task/lang/de.php
@@ -180,26 +180,26 @@ $lang->task->legendEffort = 'Aufwand';
 $lang->task->legendLife   = 'Aufgabenentwicklung';
 $lang->task->legendDesc   = 'Aufgabenbeschreibung';
 
-$lang->task->confirmDelete         = "Möchten Sie diese Aufgabe löschen?";
-$lang->task->confirmDeleteEstimate = "Möchten Sie das löschen?";
-$lang->task->copyStoryTitle        = "Story kopieren";
-$lang->task->afterSubmit           = "Nach der Erstellung,";
-$lang->task->successSaved          = "Erstellt!";
-$lang->task->delayWarning          = " <strong class='text-danger'> Verzögerung %s Tage </strong>";
-$lang->task->remindBug             = "Diese Aufgabe wurde aus einem Bus erzeugt. Möchten Sie den Bug aktualisieren:%s?";
-$lang->task->confirmChangeProject  = "Wenn Sie {$lang->executionCommon} ändern, das verwendete Modul, Story and Assignor will be changed. Do you want to do it?";
-$lang->task->confirmFinish         = '"Reststunden " sind 0. Möchten Sue den Status auf Erledigt setzen?';
-$lang->task->confirmRecord         = '"Reststunden " sind 0. Möchten Sie den Task auf Erledigt setzen?';
-$lang->task->confirmTransfer       = '"Reststunden " sind 0. Möchten Sie den Task transferieren?';
-$lang->task->noticeTaskStart       = '"Cost Hour" and "Left Hour" cannot be 0 at the same time.';
-$lang->task->noticeLinkStory       = "Es wurde keine Story verknüpft. Sie können %s für dieses Projekt, anschließend %s.";
-$lang->task->noticeSaveRecord      = 'Ihre Stunden wurden nicht gespeichrt. Bitte erst speichern.';
-$lang->task->commentActions        = '%s. %s, kommentiert von <strong>%s</strong>.';
-$lang->task->deniedNotice          = 'Nur %s kann die Aufgabe %s.';
-$lang->task->noTask                = 'Keine Aufagben. ';
-$lang->task->createDenied          = 'Aufgben erstellen it in diesem Projekt gesperrt';
-$lang->task->cannotDeleteParent    = 'Cannot delete parent task';
-$lang->task->addChildTask          = 'Because the task has already consumed consumption, to ensure data consistency, we will help you create a subtask with the same name to record the consumption.';
+$lang->task->confirmDelete          = "Möchten Sie diese Aufgabe löschen?";
+$lang->task->confirmDeleteEstimate  = "Möchten Sie das löschen?";
+$lang->task->copyStoryTitle         = "Story kopieren";
+$lang->task->afterSubmit            = "Nach der Erstellung,";
+$lang->task->successSaved           = "Erstellt!";
+$lang->task->delayWarning           = " <strong class='text-danger'> Verzögerung %s Tage </strong>";
+$lang->task->remindBug              = "Diese Aufgabe wurde aus einem Bus erzeugt. Möchten Sie den Bug aktualisieren:%s?";
+$lang->task->confirmChangeExecution = "Wenn Sie {$lang->executionCommon} ändern, das verwendete Modul, Story and Assignor will be changed. Do you want to do it?";
+$lang->task->confirmFinish          = '"Reststunden " sind 0. Möchten Sue den Status auf Erledigt setzen?';
+$lang->task->confirmRecord          = '"Reststunden " sind 0. Möchten Sie den Task auf Erledigt setzen?';
+$lang->task->confirmTransfer        = '"Reststunden " sind 0. Möchten Sie den Task transferieren?';
+$lang->task->noticeTaskStart        = '"Cost Hour" and "Left Hour" cannot be 0 at the same time.';
+$lang->task->noticeLinkStory        = "Es wurde keine Story verknüpft. Sie können %s für dieses Projekt, anschließend %s.";
+$lang->task->noticeSaveRecord       = 'Ihre Stunden wurden nicht gespeichrt. Bitte erst speichern.';
+$lang->task->commentActions         = '%s. %s, kommentiert von <strong>%s</strong>.';
+$lang->task->deniedNotice           = 'Nur %s kann die Aufgabe %s.';
+$lang->task->noTask                 = 'Keine Aufagben. ';
+$lang->task->createDenied           = 'Aufgben erstellen it in diesem Projekt gesperrt';
+$lang->task->cannotDeleteParent     = 'Cannot delete parent task';
+$lang->task->addChildTask           = 'Because the task has already consumed consumption, to ensure data consistency, we will help you create a subtask with the same name to record the consumption.';
 
 $lang->task->error = new stdclass();
 $lang->task->error->totalNumber       = '"Total Cost" must be numbers.';
@@ -229,7 +229,7 @@ $lang->task->report->select = 'Gruppieren nach';
 $lang->task->report->create = 'Erstellen';
 $lang->task->report->value  = 'Task Anzahl';
 
-$lang->task->report->charts['tasksPerProject']      = '' . $lang->executionCommon;
+$lang->task->report->charts['tasksPerExecution']    = '' . $lang->executionCommon;
 $lang->task->report->charts['tasksPerModule']       = 'Modul';
 $lang->task->report->charts['tasksPerAssignedTo']   = 'Zustängikeit';
 $lang->task->report->charts['tasksPerType']         = 'Kategorie';
@@ -249,7 +249,7 @@ $lang->task->report->options->type   = 'pie';
 $lang->task->report->options->width  = 500;
 $lang->task->report->options->height = 140;
 
-$lang->task->report->tasksPerProject      = new stdclass();
+$lang->task->report->tasksPerExecution    = new stdclass();
 $lang->task->report->tasksPerModule       = new stdclass();
 $lang->task->report->tasksPerAssignedTo   = new stdclass();
 $lang->task->report->tasksPerType         = new stdclass();
@@ -263,7 +263,7 @@ $lang->task->report->tasksPerFinishedBy   = new stdclass();
 $lang->task->report->tasksPerClosedReason = new stdclass();
 $lang->task->report->finishedTasksPerDay  = new stdclass();
 
-$lang->task->report->tasksPerProject->item      = $lang->executionCommon;
+$lang->task->report->tasksPerExecution->item    = $lang->executionCommon;
 $lang->task->report->tasksPerModule->item       = 'Modul';
 $lang->task->report->tasksPerAssignedTo->item   = 'Konto';
 $lang->task->report->tasksPerType->item         = 'Typ';
@@ -277,7 +277,7 @@ $lang->task->report->tasksPerFinishedBy->item   = 'Benutzer';
 $lang->task->report->tasksPerClosedReason->item = 'Grund';
 $lang->task->report->finishedTasksPerDay->item  = 'Datum';
 
-$lang->task->report->tasksPerProject->graph      = new stdclass();
+$lang->task->report->tasksPerExecution->graph    = new stdclass();
 $lang->task->report->tasksPerModule->graph       = new stdclass();
 $lang->task->report->tasksPerAssignedTo->graph   = new stdclass();
 $lang->task->report->tasksPerType->graph         = new stdclass();
@@ -291,7 +291,7 @@ $lang->task->report->tasksPerFinishedBy->graph   = new stdclass();
 $lang->task->report->tasksPerClosedReason->graph = new stdclass();
 $lang->task->report->finishedTasksPerDay->graph  = new stdclass();
 
-$lang->task->report->tasksPerProject->graph->xAxisName      = $lang->executionCommon;
+$lang->task->report->tasksPerExecution->graph->xAxisName    = $lang->executionCommon;
 $lang->task->report->tasksPerModule->graph->xAxisName       = 'Modul';
 $lang->task->report->tasksPerAssignedTo->graph->xAxisName   = 'Benutzer';
 $lang->task->report->tasksPerType->graph->xAxisName         = 'Typ';
diff --git a/module/task/lang/en.php b/module/task/lang/en.php
index 179ca28f18..35878f839d 100644
--- a/module/task/lang/en.php
+++ b/module/task/lang/en.php
@@ -180,26 +180,26 @@ $lang->task->legendEffort = 'Effort';
 $lang->task->legendLife   = 'Task Life';
 $lang->task->legendDesc   = 'Task Description';
 
-$lang->task->confirmDelete         = "Do you want to delete this task?";
-$lang->task->confirmDeleteEstimate = "Do you want to delete it?";
-$lang->task->copyStoryTitle        = "Copy Story";
-$lang->task->afterSubmit           = "Next ";
-$lang->task->successSaved          = "Created!";
-$lang->task->delayWarning          = " <strong class='text-danger'> Delay %s days </strong>";
-$lang->task->remindBug             = "This task is converted from a bug. Do you want to update the Bug:%s?";
-$lang->task->confirmChangeProject  = "If you change {$lang->executionCommon}, Module, Story and AssignedTo will also be changed. Do you want to change it?";
-$lang->task->confirmFinish         = '"Left Hour" is 0. Do you want to change the status to "Finished"?';
-$lang->task->confirmRecord         = '"Left Hour" is 0. Do you want to set the task as "Finished"?';
-$lang->task->confirmTransfer       = '"Left Hour" is 0，Do you want to transfer task?';
-$lang->task->noticeTaskStart       = '"Cost Hour" and "Left Hour" cannot be 0 at the same time.';
-$lang->task->noticeLinkStory       = "No story has been linked. You can %s for this project, then %s.";
-$lang->task->noticeSaveRecord      = 'Your Hour is not saved. Please save it first.';
-$lang->task->commentActions        = '%s. %s, commented by <strong>%s</strong>.';
-$lang->task->deniedNotice          = 'Only the %s can %s the task.';
-$lang->task->noTask                = 'No tasks yet. ';
-$lang->task->createDenied          = 'Create Task is denied in this project';
-$lang->task->cannotDeleteParent    = 'Cannot delete parent task';
-$lang->task->addChildTask          = 'Because the task has already consumed consumption, to ensure data consistency, we will help you create a subtask with the same name to record the consumption.';
+$lang->task->confirmDelete          = "Do you want to delete this task?";
+$lang->task->confirmDeleteEstimate  = "Do you want to delete it?";
+$lang->task->copyStoryTitle         = "Copy Story";
+$lang->task->afterSubmit            = "Next ";
+$lang->task->successSaved           = "Created!";
+$lang->task->delayWarning           = " <strong class='text-danger'> Delay %s days </strong>";
+$lang->task->remindBug              = "This task is converted from a bug. Do you want to update the Bug:%s?";
+$lang->task->confirmChangeExecution = "If you change {$lang->executionCommon}, Module, Story and AssignedTo will also be changed. Do you want to change it?";
+$lang->task->confirmFinish          = '"Left Hour" is 0. Do you want to change the status to "Finished"?';
+$lang->task->confirmRecord          = '"Left Hour" is 0. Do you want to set the task as "Finished"?';
+$lang->task->confirmTransfer        = '"Left Hour" is 0，Do you want to transfer task?';
+$lang->task->noticeTaskStart        = '"Cost Hour" and "Left Hour" cannot be 0 at the same time.';
+$lang->task->noticeLinkStory        = "No story has been linked. You can %s for this project, then %s.";
+$lang->task->noticeSaveRecord       = 'Your Hour is not saved. Please save it first.';
+$lang->task->commentActions         = '%s. %s, commented by <strong>%s</strong>.';
+$lang->task->deniedNotice           = 'Only the %s can %s the task.';
+$lang->task->noTask                 = 'No tasks yet. ';
+$lang->task->createDenied           = 'Create Task is denied in this project';
+$lang->task->cannotDeleteParent     = 'Cannot delete parent task';
+$lang->task->addChildTask           = 'Because the task has already consumed consumption, to ensure data consistency, we will help you create a subtask with the same name to record the consumption.';
 
 $lang->task->error = new stdclass();
 $lang->task->error->totalNumber       = '"Total Cost" must be numbers.';
@@ -229,7 +229,7 @@ $lang->task->report->select = 'Select Report Type';
 $lang->task->report->create = 'Create Report';
 $lang->task->report->value  = 'Tasks';
 
-$lang->task->report->charts['tasksPerProject']      = 'Group by ' . $lang->executionCommon . 'Task';
+$lang->task->report->charts['tasksPerExecution']    = 'Group by ' . $lang->executionCommon . 'Task';
 $lang->task->report->charts['tasksPerModule']       = 'Group by Module Task';
 $lang->task->report->charts['tasksPerAssignedTo']   = 'Group by AssignedTo';
 $lang->task->report->charts['tasksPerType']         = 'Group by Task Type';
@@ -249,7 +249,7 @@ $lang->task->report->options->type   = 'pie';
 $lang->task->report->options->width  = 500;
 $lang->task->report->options->height = 140;
 
-$lang->task->report->tasksPerProject      = new stdclass();
+$lang->task->report->tasksPerExecution    = new stdclass();
 $lang->task->report->tasksPerModule       = new stdclass();
 $lang->task->report->tasksPerAssignedTo   = new stdclass();
 $lang->task->report->tasksPerType         = new stdclass();
@@ -263,7 +263,7 @@ $lang->task->report->tasksPerFinishedBy   = new stdclass();
 $lang->task->report->tasksPerClosedReason = new stdclass();
 $lang->task->report->finishedTasksPerDay  = new stdclass();
 
-$lang->task->report->tasksPerProject->item      = $lang->executionCommon;
+$lang->task->report->tasksPerExecution->item    = $lang->executionCommon;
 $lang->task->report->tasksPerModule->item       = 'Module';
 $lang->task->report->tasksPerAssignedTo->item   = 'AssignedTo';
 $lang->task->report->tasksPerType->item         = 'Type';
@@ -277,7 +277,7 @@ $lang->task->report->tasksPerFinishedBy->item   = 'FinishedBy';
 $lang->task->report->tasksPerClosedReason->item = 'Reason';
 $lang->task->report->finishedTasksPerDay->item  = 'Date';
 
-$lang->task->report->tasksPerProject->graph      = new stdclass();
+$lang->task->report->tasksPerExecution->graph    = new stdclass();
 $lang->task->report->tasksPerModule->graph       = new stdclass();
 $lang->task->report->tasksPerAssignedTo->graph   = new stdclass();
 $lang->task->report->tasksPerType->graph         = new stdclass();
@@ -291,7 +291,7 @@ $lang->task->report->tasksPerFinishedBy->graph   = new stdclass();
 $lang->task->report->tasksPerClosedReason->graph = new stdclass();
 $lang->task->report->finishedTasksPerDay->graph  = new stdclass();
 
-$lang->task->report->tasksPerProject->graph->xAxisName      = $lang->executionCommon;
+$lang->task->report->tasksPerExecution->graph->xAxisName    = $lang->executionCommon;
 $lang->task->report->tasksPerModule->graph->xAxisName       = 'Module';
 $lang->task->report->tasksPerAssignedTo->graph->xAxisName   = 'User';
 $lang->task->report->tasksPerType->graph->xAxisName         = 'Type';
diff --git a/module/task/lang/fr.php b/module/task/lang/fr.php
index 84ce19f25a..4ca4271758 100644
--- a/module/task/lang/fr.php
+++ b/module/task/lang/fr.php
@@ -180,26 +180,26 @@ $lang->task->legendEffort = 'Effort';
 $lang->task->legendLife   = 'Vie de la Tâche';
 $lang->task->legendDesc   = 'Description Tâche';
 
-$lang->task->confirmDelete         = "Voulez-vous réellement supprimer cette tâche ?";
-$lang->task->confirmDeleteEstimate = "Voulez-vous la supprimer ?";
-$lang->task->copyStoryTitle        = '<span style="color:blue;">StoryModel</span>';
-$lang->task->afterSubmit           = "Suiv. ";
-$lang->task->successSaved          = "Créée !";
-$lang->task->delayWarning          = " <strong class='text-danger'> Retard %s jours </strong>";
-$lang->task->remindBug             = "Cette tâche a été convertie depuis un bug. Voulez-vous mettre à jour le Bug : %s ?";
-$lang->task->confirmChangeProject  = "Si vous changez {$lang->executionCommon}, Module, Story et AssignedTo seront également changés. Voulez-vous le faire ?";
-$lang->task->confirmFinish         = '"Heures Restantes" à 0. Voulez-vous passer le statut à "Terminée" ?';
-$lang->task->confirmRecord         = '"Heures Restantes" à 0. Voulez-vous passer le statut de la tâche à "Finie" ?';
-$lang->task->confirmTransfer       = '"Heures Restantes" à 0. Voulez-vous transférer la tâche ?';
-$lang->task->noticeTaskStart       = '"Cost Hour" and "Left Hour" cannot be 0 at the same time.';
-$lang->task->noticeLinkStory       = "Aucune Story n'est associée. Vous pouvez %s pour ce projet, alors %s.";
-$lang->task->noticeSaveRecord      = "Votre temps n'a pas été sauvé. Enregistrez-le d'abord.";
-$lang->task->commentActions        = '%s. %s, commenté par <strong>%s</strong>.';
-$lang->task->deniedNotice          = 'Seulement le %s peut %s la tâche.';
-$lang->task->noTask                = "Pas de tâche pour l'instant. ";
-$lang->task->createDenied          = 'La création de tâches est interdite dans ce projet';
-$lang->task->cannotDeleteParent    = 'Impossible de supprimer la tâche parente';
-$lang->task->addChildTask          = 'Because the task has already consumed consumption, to ensure data consistency, we will help you create a subtask with the same name to record the consumption.';
+$lang->task->confirmDelete          = "Voulez-vous réellement supprimer cette tâche ?";
+$lang->task->confirmDeleteEstimate  = "Voulez-vous la supprimer ?";
+$lang->task->copyStoryTitle         = '<span style="color:blue;">StoryModel</span>';
+$lang->task->afterSubmit            = "Suiv. ";
+$lang->task->successSaved           = "Créée !";
+$lang->task->delayWarning           = " <strong class='text-danger'> Retard %s jours </strong>";
+$lang->task->remindBug              = "Cette tâche a été convertie depuis un bug. Voulez-vous mettre à jour le Bug : %s ?";
+$lang->task->confirmChangeExecution = "Si vous changez {$lang->executionCommon}, Module, Story et AssignedTo seront également changés. Voulez-vous le faire ?";
+$lang->task->confirmFinish          = '"Heures Restantes" à 0. Voulez-vous passer le statut à "Terminée" ?';
+$lang->task->confirmRecord          = '"Heures Restantes" à 0. Voulez-vous passer le statut de la tâche à "Finie" ?';
+$lang->task->confirmTransfer        = '"Heures Restantes" à 0. Voulez-vous transférer la tâche ?';
+$lang->task->noticeTaskStart        = '"Cost Hour" and "Left Hour" cannot be 0 at the same time.';
+$lang->task->noticeLinkStory        = "Aucune Story n'est associée. Vous pouvez %s pour ce projet, alors %s.";
+$lang->task->noticeSaveRecord       = "Votre temps n'a pas été sauvé. Enregistrez-le d'abord.";
+$lang->task->commentActions         = '%s. %s, commenté par <strong>%s</strong>.';
+$lang->task->deniedNotice           = 'Seulement le %s peut %s la tâche.';
+$lang->task->noTask                 = "Pas de tâche pour l'instant. ";
+$lang->task->createDenied           = 'La création de tâches est interdite dans ce projet';
+$lang->task->cannotDeleteParent     = 'Impossible de supprimer la tâche parente';
+$lang->task->addChildTask           = 'Because the task has already consumed consumption, to ensure data consistency, we will help you create a subtask with the same name to record the consumption.';
 
 $lang->task->error = new stdclass();
 $lang->task->error->totalNumber       = '"Coût Total" doit être numérique.';
@@ -229,7 +229,7 @@ $lang->task->report->select = 'Choix Type de Rapport';
 $lang->task->report->create = 'Créer Rapport';
 $lang->task->report->value  = 'Tâches';
 
-$lang->task->report->charts['tasksPerProject']      = 'Regroupé par ' . $lang->executionCommon . ' Tâche';
+$lang->task->report->charts['tasksPerExecution']    = 'Regroupé par ' . $lang->executionCommon . ' Tâche';
 $lang->task->report->charts['tasksPerModule']       = 'Regroupé par Module';
 $lang->task->report->charts['tasksPerAssignedTo']   = 'Regroupé par Assignation';
 $lang->task->report->charts['tasksPerType']         = 'Regroupé par Type de Tâche';
@@ -249,7 +249,7 @@ $lang->task->report->options->type   = 'pie';
 $lang->task->report->options->width  = 500;
 $lang->task->report->options->height = 140;
 
-$lang->task->report->tasksPerProject      = new stdclass();
+$lang->task->report->tasksPerExecution    = new stdclass();
 $lang->task->report->tasksPerModule       = new stdclass();
 $lang->task->report->tasksPerAssignedTo   = new stdclass();
 $lang->task->report->tasksPerType         = new stdclass();
@@ -263,7 +263,7 @@ $lang->task->report->tasksPerFinishedBy   = new stdclass();
 $lang->task->report->tasksPerClosedReason = new stdclass();
 $lang->task->report->finishedTasksPerDay  = new stdclass();
 
-$lang->task->report->tasksPerProject->item      = $lang->executionCommon;
+$lang->task->report->tasksPerExecution->item    = $lang->executionCommon;
 $lang->task->report->tasksPerModule->item       = 'Module';
 $lang->task->report->tasksPerAssignedTo->item   = 'Détenteur';
 $lang->task->report->tasksPerType->item         = 'Type';
@@ -277,7 +277,7 @@ $lang->task->report->tasksPerFinishedBy->item   = 'Finisseur';
 $lang->task->report->tasksPerClosedReason->item = 'Raison';
 $lang->task->report->finishedTasksPerDay->item  = 'Date';
 
-$lang->task->report->tasksPerProject->graph      = new stdclass();
+$lang->task->report->tasksPerExecution->graph    = new stdclass();
 $lang->task->report->tasksPerModule->graph       = new stdclass();
 $lang->task->report->tasksPerAssignedTo->graph   = new stdclass();
 $lang->task->report->tasksPerType->graph         = new stdclass();
@@ -291,7 +291,7 @@ $lang->task->report->tasksPerFinishedBy->graph   = new stdclass();
 $lang->task->report->tasksPerClosedReason->graph = new stdclass();
 $lang->task->report->finishedTasksPerDay->graph  = new stdclass();
 
-$lang->task->report->tasksPerProject->graph->xAxisName      = $lang->executionCommon;
+$lang->task->report->tasksPerExecution->graph->xAxisName    = $lang->executionCommon;
 $lang->task->report->tasksPerModule->graph->xAxisName       = 'Module';
 $lang->task->report->tasksPerAssignedTo->graph->xAxisName   = 'Utilisateur';
 $lang->task->report->tasksPerType->graph->xAxisName         = 'Type';
diff --git a/module/task/lang/vi.php b/module/task/lang/vi.php
index 133f5ef84e..2b4e9402e3 100644
--- a/module/task/lang/vi.php
+++ b/module/task/lang/vi.php
@@ -180,26 +180,26 @@ $lang->task->legendEffort = 'Chấm công';
 $lang->task->legendLife   = 'Toàn bộ nhiệm vụ';
 $lang->task->legendDesc   = 'Mô tả nhiệm vụ';
 
-$lang->task->confirmDelete         = "Bạn có muốn xóa nhiệm vụ này?";
-$lang->task->confirmDeleteEstimate = "Bạn có muốn xóa nó?";
-$lang->task->copyStoryTitle        = "Copy";
-$lang->task->afterSubmit           = "Tiếp ";
-$lang->task->successSaved          = "Đã tạo!";
-$lang->task->delayWarning          = " <strong class='text-danger'> Tạm ngưng %s ngày </strong>";
-$lang->task->remindBug             = "Nhiệm vụ này được chuyển từ một bug. Bạn có muốn cập nhật Bug: %s?";
-$lang->task->confirmChangeProject  = "Nếu bạn thay đổi {$lang->executionCommon}, Module, Câu chuyện và Người được bàn giao sẽ cũng bị thay đổi. Bạn có muốn thay đổi nó?";
-$lang->task->confirmFinish         = '"Còn lại" bằng 0. Bạn có muốn thay đổi tình trạng thành "Kết thúc"?';
-$lang->task->confirmRecord         = '"Còn lại" bằng 0. Bạn có muốn thiết lập nhiệm vụ thành "Kết thúc"?';
-$lang->task->confirmTransfer       = '"Còn lại" bằng 0，Bạn có muốn chuyển thành nhiệm vụ?';
-$lang->task->noticeTaskStart       = '"Cost Hour" and "Left Hour" cannot be 0 at the same time.';
-$lang->task->noticeLinkStory       = "Không có câu chuyện liên kết. Bạn có thể %s cho dự án này, sau đó %s.";
-$lang->task->noticeSaveRecord      = 'Số giờ làm của bạn chưa được lưu. Vui lòng lưu nó trước.';
-$lang->task->commentActions        = '%s. %s, nhận xét bởi <strong>%s</strong>.';
-$lang->task->deniedNotice          = 'Chỉ có %s này có thể %s nhiệm vụ này.';
-$lang->task->noTask                = 'Không có nhiệm vụ nào';
-$lang->task->createDenied          = 'Tạo nhiệm vụ bị từ chối trong dự án này';
-$lang->task->cannotDeleteParent    = 'Không thể xóa nhiệm vụ cha';
-$lang->task->addChildTask          = 'Because the task has already consumed consumption, to ensure data consistency, we will help you create a subtask with the same name to record the consumption.';
+$lang->task->confirmDelete          = "Bạn có muốn xóa nhiệm vụ này?";
+$lang->task->confirmDeleteEstimate  = "Bạn có muốn xóa nó?";
+$lang->task->copyStoryTitle         = "Copy";
+$lang->task->afterSubmit            = "Tiếp ";
+$lang->task->successSaved           = "Đã tạo!";
+$lang->task->delayWarning           = " <strong class='text-danger'> Tạm ngưng %s ngày </strong>";
+$lang->task->remindBug              = "Nhiệm vụ này được chuyển từ một bug. Bạn có muốn cập nhật Bug: %s?";
+$lang->task->confirmChangeExecution = "Nếu bạn thay đổi {$lang->executionCommon}, Module, Câu chuyện và Người được bàn giao sẽ cũng bị thay đổi. Bạn có muốn thay đổi nó?";
+$lang->task->confirmFinish          = '"Còn lại" bằng 0. Bạn có muốn thay đổi tình trạng thành "Kết thúc"?';
+$lang->task->confirmRecord          = '"Còn lại" bằng 0. Bạn có muốn thiết lập nhiệm vụ thành "Kết thúc"?';
+$lang->task->confirmTransfer        = '"Còn lại" bằng 0，Bạn có muốn chuyển thành nhiệm vụ?';
+$lang->task->noticeTaskStart        = '"Cost Hour" and "Left Hour" cannot be 0 at the same time.';
+$lang->task->noticeLinkStory        = "Không có câu chuyện liên kết. Bạn có thể %s cho dự án này, sau đó %s.";
+$lang->task->noticeSaveRecord       = 'Số giờ làm của bạn chưa được lưu. Vui lòng lưu nó trước.';
+$lang->task->commentActions         = '%s. %s, nhận xét bởi <strong>%s</strong>.';
+$lang->task->deniedNotice           = 'Chỉ có %s này có thể %s nhiệm vụ này.';
+$lang->task->noTask                 = 'Không có nhiệm vụ nào';
+$lang->task->createDenied           = 'Tạo nhiệm vụ bị từ chối trong dự án này';
+$lang->task->cannotDeleteParent     = 'Không thể xóa nhiệm vụ cha';
+$lang->task->addChildTask           = 'Because the task has already consumed consumption, to ensure data consistency, we will help you create a subtask with the same name to record the consumption.';
 
 $lang->task->error = new stdclass();
 $lang->task->error->totalNumber       = '"Total Cost" must be numbers.';
@@ -229,7 +229,7 @@ $lang->task->report->select = 'Chọn loại báo cáo';
 $lang->task->report->create = 'Tạo báo cáo';
 $lang->task->report->value  = 'Nhiệm vụ';
 
-$lang->task->report->charts['tasksPerProject']      = 'Nhiệm vụ ' . $lang->executionCommon;
+$lang->task->report->charts['tasksPerExecution']    = 'Nhiệm vụ ' . $lang->executionCommon;
 $lang->task->report->charts['tasksPerModule']       = 'Module nhiệm vụ';
 $lang->task->report->charts['tasksPerAssignedTo']   = 'giao cho';
 $lang->task->report->charts['tasksPerType']         = 'Loại nhiệm vụ';
@@ -249,7 +249,7 @@ $lang->task->report->options->type   = 'pie';
 $lang->task->report->options->width  = 500;
 $lang->task->report->options->height = 140;
 
-$lang->task->report->tasksPerProject      = new stdclass();
+$lang->task->report->tasksPerExecution    = new stdclass();
 $lang->task->report->tasksPerModule       = new stdclass();
 $lang->task->report->tasksPerAssignedTo   = new stdclass();
 $lang->task->report->tasksPerType         = new stdclass();
@@ -263,7 +263,7 @@ $lang->task->report->tasksPerFinishedBy   = new stdclass();
 $lang->task->report->tasksPerClosedReason = new stdclass();
 $lang->task->report->finishedTasksPerDay  = new stdclass();
 
-$lang->task->report->tasksPerProject->item      = $lang->executionCommon;
+$lang->task->report->tasksPerExecution->item    = $lang->executionCommon;
 $lang->task->report->tasksPerModule->item       = 'Module';
 $lang->task->report->tasksPerAssignedTo->item   = 'Giao cho';
 $lang->task->report->tasksPerType->item         = 'Loại';
@@ -277,7 +277,7 @@ $lang->task->report->tasksPerFinishedBy->item   = 'Người kết thúc';
 $lang->task->report->tasksPerClosedReason->item = 'Lý do';
 $lang->task->report->finishedTasksPerDay->item  = 'Ngày';
 
-$lang->task->report->tasksPerProject->graph      = new stdclass();
+$lang->task->report->tasksPerExecution->graph    = new stdclass();
 $lang->task->report->tasksPerModule->graph       = new stdclass();
 $lang->task->report->tasksPerAssignedTo->graph   = new stdclass();
 $lang->task->report->tasksPerType->graph         = new stdclass();
@@ -291,7 +291,7 @@ $lang->task->report->tasksPerFinishedBy->graph   = new stdclass();
 $lang->task->report->tasksPerClosedReason->graph = new stdclass();
 $lang->task->report->finishedTasksPerDay->graph  = new stdclass();
 
-$lang->task->report->tasksPerProject->graph->xAxisName      = $lang->executionCommon;
+$lang->task->report->tasksPerExecution->graph->xAxisName    = $lang->executionCommon;
 $lang->task->report->tasksPerModule->graph->xAxisName       = 'Module';
 $lang->task->report->tasksPerAssignedTo->graph->xAxisName   = 'Người dùng';
 $lang->task->report->tasksPerType->graph->xAxisName         = 'Loại';
diff --git a/module/task/lang/zh-cn.php b/module/task/lang/zh-cn.php
index 80ada9c675..ceecb0892e 100644
--- a/module/task/lang/zh-cn.php
+++ b/module/task/lang/zh-cn.php
@@ -180,26 +180,26 @@ $lang->task->legendEffort = '工时信息';
 $lang->task->legendLife   = '任务的一生';
 $lang->task->legendDesc   = '任务描述';
 
-$lang->task->confirmDelete         = "您确定要删除这个任务吗？";
-$lang->task->confirmDeleteEstimate = "您确定要删除这个记录吗？";
-$lang->task->copyStoryTitle        = "同{$lang->SRCommon}";
-$lang->task->afterSubmit           = "添加之后";
-$lang->task->successSaved          = "成功添加，";
-$lang->task->delayWarning          = " <strong class='text-danger'> 延期%s天 </strong>";
-$lang->task->remindBug             = "该任务为Bug转化得到，是否更新Bug:%s ?";
-$lang->task->confirmChangeProject  = "修改{$lang->executionCommon}会导致相应的所属模块、相关{$lang->SRCommon}和指派人发生变化，确定吗？";
-$lang->task->confirmFinish         = '"预计剩余"为0，确认将任务状态改为"已完成"吗？';
-$lang->task->confirmRecord         = '"剩余"为0，任务将标记为"已完成"，您确定吗？';
-$lang->task->confirmTransfer       = '"当前剩余"为0，任务将被转交，您确定吗？';
-$lang->task->noticeTaskStart       = '"总计消耗"和"预计剩余"不能同时为0';
-$lang->task->noticeLinkStory       = "没有可关联的相关{$lang->SRCommon}，您可以为当前项目%s，然后%s";
-$lang->task->noticeSaveRecord      = '您有尚未保存的工时记录，请先将其保存。';
-$lang->task->commentActions        = '%s. %s, 由 <strong>%s</strong> 添加备注。';
-$lang->task->deniedNotice          = '当前任务只有%s才可以%s。';
-$lang->task->noTask                = '暂时没有任务。';
-$lang->task->createDenied          = '你不能在该项目添加任务';
-$lang->task->cannotDeleteParent    = '不能删除父任务。';
-$lang->task->addChildTask          = '因该任务已经产生消耗，为保证数据一致性，我们会帮您创建一条同名子任务记录该消耗。';
+$lang->task->confirmDelete          = "您确定要删除这个任务吗？";
+$lang->task->confirmDeleteEstimate  = "您确定要删除这个记录吗？";
+$lang->task->copyStoryTitle         = "同{$lang->SRCommon}";
+$lang->task->afterSubmit            = "添加之后";
+$lang->task->successSaved           = "成功添加，";
+$lang->task->delayWarning           = " <strong class='text-danger'> 延期%s天 </strong>";
+$lang->task->remindBug              = "该任务为Bug转化得到，是否更新Bug:%s ?";
+$lang->task->confirmChangeExecution = "修改{$lang->executionCommon}会导致相应的所属模块、相关{$lang->SRCommon}和指派人发生变化，确定吗？";
+$lang->task->confirmFinish          = '"预计剩余"为0，确认将任务状态改为"已完成"吗？';
+$lang->task->confirmRecord          = '"剩余"为0，任务将标记为"已完成"，您确定吗？';
+$lang->task->confirmTransfer        = '"当前剩余"为0，任务将被转交，您确定吗？';
+$lang->task->noticeTaskStart        = '"总计消耗"和"预计剩余"不能同时为0';
+$lang->task->noticeLinkStory        = "没有可关联的相关{$lang->SRCommon}，您可以为当前项目%s，然后%s";
+$lang->task->noticeSaveRecord       = '您有尚未保存的工时记录，请先将其保存。';
+$lang->task->commentActions         = '%s. %s, 由 <strong>%s</strong> 添加备注。';
+$lang->task->deniedNotice           = '当前任务只有%s才可以%s。';
+$lang->task->noTask                 = '暂时没有任务。';
+$lang->task->createDenied           = '你不能在该项目添加任务';
+$lang->task->cannotDeleteParent     = '不能删除父任务。';
+$lang->task->addChildTask           = '因该任务已经产生消耗，为保证数据一致性，我们会帮您创建一条同名子任务记录该消耗。';
 
 $lang->task->error                    = new stdclass();
 $lang->task->error->totalNumber       = '"总计消耗"必须为数字';
@@ -229,7 +229,7 @@ $lang->task->report->select = '请选择报表类型';
 $lang->task->report->create = '生成报表';
 $lang->task->report->value  = '任务数';
 
-$lang->task->report->charts['tasksPerProject']      = '按' . $lang->executionCommon . '任务数统计';
+$lang->task->report->charts['tasksPerExecution']    = '按' . $lang->executionCommon . '任务数统计';
 $lang->task->report->charts['tasksPerModule']       = '按模块任务数统计';
 $lang->task->report->charts['tasksPerAssignedTo']   = '按指派给统计';
 $lang->task->report->charts['tasksPerType']         = '按任务类型统计';
@@ -249,7 +249,7 @@ $lang->task->report->options->type   = 'pie';
 $lang->task->report->options->width  = 500;
 $lang->task->report->options->height = 140;
 
-$lang->task->report->tasksPerProject      = new stdclass();
+$lang->task->report->tasksPerExecution    = new stdclass();
 $lang->task->report->tasksPerModule       = new stdclass();
 $lang->task->report->tasksPerAssignedTo   = new stdclass();
 $lang->task->report->tasksPerType         = new stdclass();
@@ -263,7 +263,7 @@ $lang->task->report->tasksPerFinishedBy   = new stdclass();
 $lang->task->report->tasksPerClosedReason = new stdclass();
 $lang->task->report->finishedTasksPerDay  = new stdclass();
 
-$lang->task->report->tasksPerProject->item      = $lang->executionCommon;
+$lang->task->report->tasksPerExecution->item    = $lang->executionCommon;
 $lang->task->report->tasksPerModule->item       = '模块';
 $lang->task->report->tasksPerAssignedTo->item   = '用户';
 $lang->task->report->tasksPerType->item         = '类型';
@@ -277,7 +277,7 @@ $lang->task->report->tasksPerFinishedBy->item   = '用户';
 $lang->task->report->tasksPerClosedReason->item = '原因';
 $lang->task->report->finishedTasksPerDay->item  = '日期';
 
-$lang->task->report->tasksPerProject->graph      = new stdclass();
+$lang->task->report->tasksPerExecution->graph    = new stdclass();
 $lang->task->report->tasksPerModule->graph       = new stdclass();
 $lang->task->report->tasksPerAssignedTo->graph   = new stdclass();
 $lang->task->report->tasksPerType->graph         = new stdclass();
@@ -291,7 +291,7 @@ $lang->task->report->tasksPerFinishedBy->graph   = new stdclass();
 $lang->task->report->tasksPerClosedReason->graph = new stdclass();
 $lang->task->report->finishedTasksPerDay->graph  = new stdclass();
 
-$lang->task->report->tasksPerProject->graph->xAxisName      = $lang->executionCommon;
+$lang->task->report->tasksPerExecution->graph->xAxisName    = $lang->executionCommon;
 $lang->task->report->tasksPerModule->graph->xAxisName       = '模块';
 $lang->task->report->tasksPerAssignedTo->graph->xAxisName   = '用户';
 $lang->task->report->tasksPerType->graph->xAxisName         = '类型';
diff --git a/module/task/model.php b/module/task/model.php
index ebc3a09387..457a218458 100644
--- a/module/task/model.php
+++ b/module/task/model.php
@@ -16,11 +16,11 @@ class taskModel extends model
     /**
      * Create a task.
      *
-     * @param  int    $projectID
+     * @param  int    $executionID
      * @access public
      * @return void
      */
-    public function create($projectID)
+    public function create($executionID)
     {
         if($this->post->estimate < 0)
         {
@@ -29,7 +29,7 @@ class taskModel extends model
         }
 
         $this->getExtraRequiredFields();
-        $projectID      = (int)$projectID;
+        $executionID    = (int)$executionID;
         $taskIdList     = array();
         $taskFiles      = array();
         $requiredFields = "," . $this->config->task->create->requiredFields . ",";
@@ -44,10 +44,10 @@ class taskModel extends model
 
         $this->loadModel('file');
         $task = fixer::input('post')
-            ->setDefault('project', $projectID)
+            ->setDefault('execution', $executionID)
             ->setDefault('estimate,left,story', 0)
             ->setDefault('status', 'wait')
-            ->setIF($this->config->systemMode == 'new', 'PRJ', $this->session->PRJ)
+            ->setIF($this->config->systemMode == 'new', 'project', $this->session->project)
             ->setIF($this->post->estimate != false, 'left', $this->post->estimate)
             ->setIF($this->post->story != false, 'storyVersion', $this->loadModel('story')->getVersion($this->post->story))
             ->setDefault('estStarted', '0000-00-00')
@@ -62,7 +62,7 @@ class taskModel extends model
             ->setIF(is_numeric($this->post->left),     'left',     (float)$this->post->left)
             ->setDefault('openedBy',   $this->app->user->account)
             ->setDefault('openedDate', helper::now())
-            ->cleanINT('project,story,module')
+            ->cleanINT('execution,story,module')
             ->stripTags($this->config->task->editor->create['id'], $this->config->allowedTags)
             ->join('mailto', ',')
             ->remove('after,files,labels,assignedTo,uid,storyEstimate,storyDesc,storyPri,team,teamEstimate,teamMember,multiple,teams,contactListMenu,selectTestStory,testStory,testPri,testEstStarted,testDeadline,testAssignedTo,testEstimate')
@@ -82,7 +82,7 @@ class taskModel extends model
             /* Check duplicate task. */
             if($task->type != 'affair')
             {
-                $result = $this->loadModel('common')->removeDuplicate('task', $task, "project={$projectID} and story=" . (int)$task->story);
+                $result = $this->loadModel('common')->removeDuplicate('task', $task, "execution={$executionID} and story=" . (int)$task->story);
                 if($result['stop'])
                 {
                     $taskIdList[$assignedTo] = array('status' => 'exists', 'id' => $result['duplicate']);
@@ -93,8 +93,8 @@ class taskModel extends model
             $task = $this->file->processImgURL($task, $this->config->task->editor->create['id'], $this->post->uid);
 
             /* Fix Bug #1525 */
-            $projectType    = $this->dao->select('*')->from(TABLE_PROJECT)->where('id')->eq($projectID)->fetch('type');
-            if($projectType == 'ops')
+            $executionType = $this->dao->select('*')->from(TABLE_PROJECT)->where('id')->eq($executionID)->fetch('type');
+            if($executionType == 'ops')
             {
                 $requiredFields = str_replace(",story,", ',', "$requiredFields");
                 $task->story = 0;
@@ -231,11 +231,11 @@ class taskModel extends model
     /**
      * Create a batch task.
      *
-     * @param  int    $projectID
+     * @param  int    $executionID
      * @access public
      * @return void
      */
-    public function batchCreate($projectID)
+    public function batchCreate($executionID)
     {
         $this->loadModel('action');
         $now      = helper::now();
@@ -271,7 +271,7 @@ class taskModel extends model
             }
         }
 
-        $result = $this->loadModel('common')->removeDuplicate('task', $tasks, "project=$projectID and story " . helper::dbIN($storyIDs));
+        $result = $this->loadModel('common')->removeDuplicate('task', $tasks, "execution=$executionID and story " . helper::dbIN($storyIDs));
         $tasks  = $result['data'];
 
         $story      = 0;
@@ -303,8 +303,8 @@ class taskModel extends model
             $data[$i]->pri        = $tasks->pri[$i];
             $data[$i]->estimate   = $tasks->estimate[$i];
             $data[$i]->left       = $tasks->estimate[$i];
-            $data[$i]->PRJ        = $this->config->systemMode == 'new' ? $this->session->PRJ : 0;
-            $data[$i]->project    = $projectID;
+            $data[$i]->project    = $this->config->systemMode == 'new' ? $this->session->project : 0;
+            $data[$i]->execution  = $executionID;
             $data[$i]->estStarted = empty($tasks->estStarted[$i]) ? '0000-00-00' : $tasks->estStarted[$i];
             $data[$i]->deadline   = empty($tasks->deadline[$i]) ? '0000-00-00' : $tasks->deadline[$i];
             $data[$i]->status     = 'wait';
@@ -329,9 +329,9 @@ class taskModel extends model
         }
 
         /* Fix bug #1525*/
-        $projectType    = $this->dao->select('*')->from(TABLE_PROJECT)->where('id')->eq($projectID)->fetch('type');
+        $executionType  = $this->dao->select('*')->from(TABLE_PROJECT)->where('id')->eq($executionID)->fetch('type');
         $requiredFields = ',' . $this->config->task->create->requiredFields . ',';
-        if($projectType == 'ops') $requiredFields = str_replace(',story,', ',', $requiredFields);
+        if($executionType == 'ops') $requiredFields = str_replace(',story,', ',', $requiredFields);
         $requiredFields = trim($requiredFields, ',');
 
         /* check data. */
@@ -844,17 +844,17 @@ class taskModel extends model
             ->setDefault('lastEditedBy',   $this->app->user->account)
             ->add('lastEditedDate', $now)
             ->stripTags($this->config->task->editor->edit['id'], $this->config->allowedTags)
-            ->cleanINT('project,story,module')
+            ->cleanINT('execution,story,module')
             ->join('mailto', ',')
             ->remove('comment,files,labels,uid,multiple,team,teamEstimate,teamConsumed,teamLeft,contactListMenu')
             ->get();
 
         if($task->consumed < $oldTask->consumed) die(js::error($this->lang->task->error->consumedSmall));
 
-        /* Fix bug#1388, Check children task projectID and moduleID. */
-        if(isset($task->project) and $task->project != $oldTask->project)
+        /* Fix bug#1388, Check children task executionID and moduleID. */
+        if(isset($task->execution) and $task->execution != $oldTask->execution)
         {
-            $this->dao->update(TABLE_TASK)->set('project')->eq($task->project)->set('module')->eq($task->module)->where('parent')->eq($taskID)->exec();
+            $this->dao->update(TABLE_TASK)->set('execution')->eq($task->execution)->set('module')->eq($task->module)->where('parent')->eq($taskID)->exec();
         }
 
         $task = $this->loadModel('file')->processImgURL($task, $this->config->task->editor->edit['id'], $this->post->uid);
@@ -894,7 +894,7 @@ class taskModel extends model
             foreach($teams as $member) $this->dao->insert(TABLE_TEAM)->data($member)->autoCheck()->exec();
 
             /* Assign the left hours to zero who will be skipped. */
-            $skipMembers = $this->loadModel('project')->getTeamSkip($oldTask->team, $oldTask->assignedTo, $task->assignedTo);
+            $skipMembers = $this->loadModel('execution')->getTeamSkip($oldTask->team, $oldTask->assignedTo, $task->assignedTo);
             foreach($skipMembers as $account => $team) $this->dao->update(TABLE_TEAM)->set('left')->eq(0)->where('root')->eq($taskID)->andWhere('type')->eq('task')->andWhere('account')->eq($account)->exec();
 
             $task = $this->computeHours4Multiple($oldTask, $task, array(), $autoStatus = false);
@@ -905,9 +905,9 @@ class taskModel extends model
             }
         }
 
-        $projectType    = $this->dao->select('*')->from(TABLE_PROJECT)->where('id')->eq($task->project)->fetch('type');
+        $executionType  = $this->dao->select('*')->from(TABLE_PROJECT)->where('id')->eq($task->execution)->fetch('type');
         $requiredFields = "," . $this->config->task->edit->requiredFields . ",";
-        if($projectType == 'ops')
+        if($executionType == 'ops')
         {
             $requiredFields = str_replace(",story,", ',', "$requiredFields");
             $task->story = 0;
@@ -1306,7 +1306,7 @@ class taskModel extends model
 
         if(!empty($oldTask->team))
         {
-            $skipMembers = $this->loadModel('project')->getTeamSkip($oldTask->team, $oldTask->assignedTo, $task->assignedTo);
+            $skipMembers = $this->loadModel('execution')->getTeamSkip($oldTask->team, $oldTask->assignedTo, $task->assignedTo);
             foreach($skipMembers as $account => $team) $this->dao->update(TABLE_TEAM)->set('left')->eq(0)->where('root')->eq($taskID)->andWhere('type')->eq('task')->andWhere('account')->eq($account)->exec();
 
             $this->dao->update(TABLE_TEAM)->set('left')->eq($task->left)
@@ -1647,7 +1647,7 @@ class taskModel extends model
                 ->andWhere('type')->eq('task')
                 ->andWhere('account')->eq($oldTask->assignedTo)->exec();
 
-            $skipMembers = $this->loadModel('project')->getTeamSkip($oldTask->team, $oldTask->assignedTo, $task->assignedTo);
+            $skipMembers = $this->loadModel('execution')->getTeamSkip($oldTask->team, $oldTask->assignedTo, $task->assignedTo);
             foreach($skipMembers as $account => $team) $this->dao->update(TABLE_TEAM)->set('left')->eq(0)->where('root')->eq($taskID)->andWhere('type')->eq('task')->andWhere('account')->eq($account)->exec();
 
             $task = $this->computeHours4Multiple($oldTask, $task);
@@ -1888,9 +1888,9 @@ class taskModel extends model
     }
 
     /**
-     * Get tasks list of a project.
+     * Get tasks list of a execution.
      *
-     * @param  int           $projectID
+     * @param  int           $executionID
      * @param  array|string  $moduleIdList
      * @param  string        $status
      * @param  string        $orderBy
@@ -1898,13 +1898,13 @@ class taskModel extends model
      * @access public
      * @return array
      */
-    public function getTasksByModule($projectID = 0, $moduleIdList = 0, $orderBy = 'id_desc', $pager = null)
+    public function getTasksByModule($executionID = 0, $moduleIdList = 0, $orderBy = 'id_desc', $pager = null)
     {
         $tasks = $this->dao->select('t1.*, t2.id AS storyID, t2.title AS storyTitle, t2.product, t2.branch, t2.version AS latestStoryVersion, t2.status AS storyStatus, t3.realname AS assignedToRealName')
             ->from(TABLE_TASK)->alias('t1')
             ->leftJoin(TABLE_STORY)->alias('t2')->on('t1.story = t2.id')
             ->leftJoin(TABLE_USER)->alias('t3')->on('t1.assignedTo = t3.account')
-            ->where('t1.project')->eq((int)$projectID)
+            ->where('t1.execution')->eq((int)$executionID)
             ->beginIF($moduleIdList)->andWhere('t1.module')->in($moduleIdList)->fi()
             ->andWhere('t1.deleted')->eq(0)
             ->orderBy($orderBy)
@@ -1918,9 +1918,9 @@ class taskModel extends model
     }
 
     /**
-     * Get tasks of a project.
+     * Get tasks of a execution.
      *
-     * @param int    $projectID
+     * @param int    $executionID
      * @param int    $productID
      * @param string $type
      * @param string $modules
@@ -1930,7 +1930,7 @@ class taskModel extends model
      * @access public
      * @return array|void
      */
-    public function getProjectTasks($projectID, $productID = 0, $type = 'all', $modules = 0, $orderBy = 'status_asc, id_desc', $pager = null)
+    public function getExecutionTasks($executionID, $productID = 0, $type = 'all', $modules = 0, $orderBy = 'status_asc, id_desc', $pager = null)
     {
         if(is_string($type)) $type = strtolower($type);
         $tasks = $this->dao->select('DISTINCT t1.*, t2.id AS storyID, t2.title AS storyTitle, t2.product, t2.branch, t2.version AS latestStoryVersion, t2.status AS storyStatus, t3.realname AS assignedToRealName')
@@ -1939,7 +1939,7 @@ class taskModel extends model
             ->leftJoin(TABLE_USER)->alias('t3')->on('t1.assignedTo = t3.account')
             ->leftJoin(TABLE_TEAM)->alias('t4')->on('t4.root = t1.id')
             ->leftJoin(TABLE_MODULE)->alias('t5')->on('t1.module = t5.id')
-            ->where('t1.project')->eq((int)$projectID)
+            ->where('t1.execution')->eq((int)$executionID)
             ->beginIF($type == 'myinvolved')
             ->andWhere("((t4.`account` = '{$this->app->user->account}' AND t4.`type` = 'task') OR t1.`assignedTo` = '{$this->app->user->account}' OR t1.`finishedby` = '{$this->app->user->account}')")
             ->fi()
@@ -1999,21 +1999,21 @@ class taskModel extends model
     }
 
     /**
-     * Get project tasks pairs.
+     * Get execution tasks pairs.
      *
-     * @param  int    $projectID
+     * @param  int    $executionID
      * @param  string $status
      * @param  string $orderBy
      * @access public
      * @return array
      */
-    public function getProjectTaskPairs($projectID, $status = 'all', $orderBy = 'finishedBy, id_desc')
+    public function getExecutionTaskPairs($executionID, $status = 'all', $orderBy = 'finishedBy, id_desc')
     {
         $tasks = array('' => '');
         $stmt = $this->dao->select('t1.id,t1.name,t1.parent,t2.realname AS finishedByRealName')
             ->from(TABLE_TASK)->alias('t1')
             ->leftJoin(TABLE_USER)->alias('t2')->on('t1.finishedBy = t2.account')
-            ->where('t1.project')->eq((int)$projectID)
+            ->where('t1.execution')->eq((int)$executionID)
             ->andWhere('t1.deleted')->eq(0)
             ->beginIF($status != 'all')->andWhere('t1.status')->in($status)->fi()
             ->orderBy($orderBy)
@@ -2023,20 +2023,20 @@ class taskModel extends model
     }
 
     /**
-     * Get project parent tasks pairs.
+     * Get execution parent tasks pairs.
      *
-     * @param  int    $projectID
+     * @param  int    $executionID
      * @param  string $append
      * @access public
      * @return array
      */
-    public function getParentTaskPairs($projectID, $append = '')
+    public function getParentTaskPairs($executionID, $append = '')
     {
         $tasks = $this->dao->select('id, name')->from(TABLE_TASK)
             ->where('deleted')->eq(0)
             ->andWhere('parent')->le(0)
             ->andWhere('status')->notin('cancel,closed')
-            ->andWhere('project')->eq($projectID)
+            ->andWhere('execution')->eq($executionID)
             ->beginIF($append)->orWhere('id')->in($append)->fi()
             ->fetchPairs();
 
@@ -2056,20 +2056,20 @@ class taskModel extends model
      * @param  int    $limit
      * @param  object $pager
      * @param  string $orderBy
-     * @param  int    $programID
+     * @param  int    $projectID
      * @access public
      * @return array
      */
-    public function getUserTasks($account, $type = 'assignedTo', $limit = 0, $pager = null, $orderBy = "id_desc", $programID = 0)
+    public function getUserTasks($account, $type = 'assignedTo', $limit = 0, $pager = null, $orderBy = "id_desc", $projectID = 0)
     {
         if(!$this->loadModel('common')->checkField(TABLE_TASK, $type)) return array();
-        $tasks = $this->dao->select('t1.*, t2.id as projectID, t2.name as projectName, t3.id as storyID, t3.title as storyTitle, t3.status AS storyStatus, t3.version AS latestStoryVersion')
+        $tasks = $this->dao->select('t1.*, t2.id as executionID, t2.name as executionName, t3.id as storyID, t3.title as storyTitle, t3.status AS storyStatus, t3.version AS latestStoryVersion')
             ->from(TABLE_TASK)->alias('t1')
-            ->leftjoin(TABLE_PROJECT)->alias('t2')->on('t1.project = t2.id')
+            ->leftjoin(TABLE_PROJECT)->alias('t2')->on('t1.execution = t2.id')
             ->leftjoin(TABLE_STORY)->alias('t3')->on('t1.story = t3.id')
             ->where('t1.deleted')->eq(0)
             ->beginIF($type != 'closedBy' and $this->app->moduleName == 'block')->andWhere('t1.status')->ne('closed')->fi()
-            ->beginIF($programID)->andWhere('t1.PRJ')->eq($programID)->fi()
+            ->beginIF($projectID)->andWhere('t1.project')->eq($projectID)->fi()
             ->beginIF($type == 'finishedBy')
             ->andWhere('t1.finishedby', 1)->eq($account)
             ->orWhere('t1.finishedList')->like("%,{$account},%")
@@ -2098,25 +2098,25 @@ class taskModel extends model
      *
      * @param  string $account
      * @param  string $status
-     * @param  array  $skipProjectIDList
+     * @param  array  $skipExecutionIDList
      * @access public
      * @return array
      */
-    public function getUserTaskPairs($account, $status = 'all', $skipProjectIDList = array())
+    public function getUserTaskPairs($account, $status = 'all', $skipExecutionIDList = array())
     {
-        $stmt = $this->dao->select('t1.id, t1.name, t2.name as project')
+        $stmt = $this->dao->select('t1.id, t1.name, t2.name as execution')
             ->from(TABLE_TASK)->alias('t1')
-            ->leftjoin(TABLE_PROJECT)->alias('t2')->on('t1.project = t2.id')
+            ->leftjoin(TABLE_PROJECT)->alias('t2')->on('t1.execution = t2.id')
             ->where('t1.assignedTo')->eq($account)
             ->andWhere('t1.deleted')->eq(0)
             ->beginIF($status != 'all')->andWhere('t1.status')->in($status)->fi()
-            ->beginIF(!empty($skipProjectIDList))->andWhere('t1.project')->notin($skipProjectIDList)->fi()
+            ->beginIF(!empty($skipExecutionIDList))->andWhere('t1.execution')->notin($skipExecutionIDList)->fi()
             ->query();
 
         $tasks = array();
         while($task = $stmt->fetch())
         {
-            $tasks[$task->id] = $task->project . ' / ' . $task->name;
+            $tasks[$task->id] = $task->execution . ' / ' . $task->name;
         }
         return $tasks;
     }
@@ -2125,17 +2125,17 @@ class taskModel extends model
      * Get task pairs of a story.
      *
      * @param  int    $storyID
-     * @param  int    $projectID
+     * @param  int    $executionID
      * @access public
      * @return array
      */
-    public function getStoryTasks($storyID, $projectID = 0)
+    public function getStoryTasks($storyID, $executionID = 0)
     {
         $tasks = $this->dao->select('id, parent, name, assignedTo, pri, status, estimate, consumed, closedReason, `left`')
             ->from(TABLE_TASK)
             ->where('story')->eq((int)$storyID)
             ->andWhere('deleted')->eq(0)
-            ->beginIF($projectID)->andWhere('project')->eq($projectID)->fi()
+            ->beginIF($executionID)->andWhere('execution')->eq($executionID)->fi()
             ->fetchAll('id');
 
         $parents = array();
@@ -2205,17 +2205,17 @@ class taskModel extends model
      * Get counts of some stories' tasks.
      *
      * @param  array  $stories
-     * @param  int    $projectID
+     * @param  int    $executionID
      * @access public
      * @return int
      */
-    public function getStoryTaskCounts($stories, $projectID = 0)
+    public function getStoryTaskCounts($stories, $executionID = 0)
     {
         $taskCounts = $this->dao->select('story, COUNT(*) AS tasks')
             ->from(TABLE_TASK)
             ->where('story')->in($stories)
             ->andWhere('deleted')->eq(0)
-            ->beginIF($projectID)->andWhere('project')->eq($projectID)->fi()
+            ->beginIF($executionID)->andWhere('execution')->eq($executionID)->fi()
             ->groupBy('story')
             ->fetchPairs();
         foreach($stories as $storyID)
@@ -2520,24 +2520,24 @@ class taskModel extends model
     }
 
     /**
-     * Get report data of tasks per project
+     * Get report data of tasks per execution
      *
      * @access public
      * @return array
      */
-    public function getDataOfTasksPerProject()
+    public function getDataOfTasksPerExecution()
     {
-        $tasks = $this->dao->select('id,project')->from(TABLE_TASK)->alias('t1')
+        $tasks = $this->dao->select('id,execution')->from(TABLE_TASK)->alias('t1')
             ->where($this->reportCondition())
             ->fetchAll('id');
         if(!$tasks) return array();
 
-        $datas    = $this->processData4Report($tasks, '', 'project');
+        $datas = $this->processData4Report($tasks, '', 'execution');
 
-        $projects = $this->loadModel('project')->getExecutionPairs($this->session->PRJ, 'all', 'all');
-        foreach($datas as $projectID => $data)
+        $executions = $this->loadModel('execution')->getPairs($this->session->project, 'all', 'all');
+        foreach($datas as $executionID => $data)
         {
-            $data->name  = isset($projects[$projectID]) ? $projects[$projectID] : $this->lang->report->undefined;
+            $data->name  = isset($executions[$executionID]) ? $executions[$executionID] : $this->lang->report->undefined;
         }
         return $datas;
     }
@@ -2931,7 +2931,7 @@ class taskModel extends model
             if($id == 'estimate' || $id == 'consumed' || $id == 'left')
             {
                 $value = round($task->$id, 1);
-                $title = " title='{$value} {$this->lang->project->workHour}'";
+                $title = " title='{$value} {$this->lang->execution->workHour}'";
             }
 
             echo "<td class='" . $class . "'" . $title . ">";
@@ -2970,13 +2970,13 @@ class taskModel extends model
                 $storyChanged ? print("<span class='status-story status-changed'>{$this->lang->story->changed}</span>") : print("<span class='status-task status-{$task->status}'> " . $this->processStatus('task', $task) . "</span>");
                 break;
             case 'estimate':
-                echo round($task->estimate, 1) . ' ' . $this->lang->project->workHourUnit;
+                echo round($task->estimate, 1) . ' ' . $this->lang->execution->workHourUnit;
                 break;
             case 'consumed':
-                echo round($task->consumed, 1) . ' ' . $this->lang->project->workHourUnit;
+                echo round($task->consumed, 1) . ' ' . $this->lang->execution->workHourUnit;
                 break;
             case 'left':
-                echo round($task->left, 1)     . ' ' . $this->lang->project->workHourUnit;
+                echo round($task->left, 1)     . ' ' . $this->lang->execution->workHourUnit;
                 break;
             case 'progress':
                 echo round($task->progress, 2) . '%';
@@ -3065,7 +3065,7 @@ class taskModel extends model
 
                 common::printIcon('task', 'recordEstimate', "taskID=$task->id", $task, 'list', 'time', '', 'iframe', true);
                 common::printIcon('task', 'edit',   "taskID=$task->id", $task, 'list');
-                common::printIcon('task', 'batchCreate', "project=$task->project&storyID=$task->story&moduleID=$task->module&taskID=$task->id&ifame=0", $task, 'list', 'split', '', '', '', '', $this->lang->task->children);
+                common::printIcon('task', 'batchCreate', "execution=$task->execution&storyID=$task->story&moduleID=$task->module&taskID=$task->id&ifame=0", $task, 'list', 'split', '', '', '', '', $this->lang->task->children);
                 break;
             }
             echo '</td>';
@@ -3094,7 +3094,7 @@ class taskModel extends model
 
         $btnClass     = $task->assignedTo == 'closed' ? ' disabled' : '';
         $btnClass     = "iframe btn btn-icon-left btn-sm {$btnClass}";
-        $assignToLink = helper::createLink('task', 'assignTo', "projectID=$task->project&taskID=$task->id", '', true);
+        $assignToLink = helper::createLink('task', 'assignTo', "executionID=$task->execution&taskID=$task->id", '', true);
         $assignToHtml = html::a($assignToLink, "<i class='icon icon-hand-right'></i> <span title='" . zget($users, $task->assignedTo) . "' class='{$btnTextClass}'>{$assignedToText}</span>", '', "class='$btnClass'");
 
         echo !common::hasPriv('task', 'assignTo', $task) ? "<span style='padding-left: 21px' class='{$btnTextClass}'>{$assignedToText}</span>" : $assignToHtml;
@@ -3158,8 +3158,8 @@ class taskModel extends model
      */
     public function getSubject($task)
     {
-        $projectName = $this->loadModel('project')->getById($task->project)->name;
-        return 'TASK#' . $task->id . ' ' . $task->name . ' - ' . $projectName;
+        $executionName = $this->loadModel('execution')->getById($task->execution)->name;
+        return 'TASK#' . $task->id . ' ' . $task->name . ' - ' . $executionName;
     }
 
     /**
@@ -3242,7 +3242,7 @@ class taskModel extends model
      */
     public function getMemberPairs($task)
     {
-        $users   = $this->loadModel('project')->getTeamMemberPairs($task->project, 'nodeleted');
+        $users   = $this->loadModel('execution')->getTeamMemberPairs($task->execution, 'nodeleted');
         $members = array('');
         foreach($task->team as $member)
         {
@@ -3259,9 +3259,9 @@ class taskModel extends model
      */
     public function getExtraRequiredFields()
     {
-        /* Add required fields to waterfall project. */
-        $project = $this->loadModel('program')->getPRJByID($this->session->PRJ);
-        if(!empty($project) && $project->model == 'waterfall')
+        /* Add required fields to waterfall execution. */
+        $execution = $this->loadModel('project')->getByID($this->session->project);
+        if(!empty($execution) && $execution->model == 'waterfall')
         {
             $this->config->task->create->requiredFields .= ',estStarted,deadline';
             $this->config->task->edit->requiredFields   .= ',estStarted,deadline';
diff --git a/module/task/view/batchcreate.html.php b/module/task/view/batchcreate.html.php
index 58ea8a6218..0c0b3a886c 100644
--- a/module/task/view/batchcreate.html.php
+++ b/module/task/view/batchcreate.html.php
@@ -18,13 +18,13 @@
   <div class="main-header clearfix">
     <h2 class="pull-left">
       <?php if($parent):?>
-      <span class='pull-left'><?php echo $parentTitle . $this->lang->colon;?></span> 
+      <span class='pull-left'><?php echo $parentTitle . $this->lang->colon;?></span>
       <?php echo $lang->task->batchCreateChildren;?>
       <?php else:?>
       <?php echo $lang->task->batchCreate;?>
       <?php endif;?>
     </h2>
-    <?php if($project->type != 'ops'):?>
+    <?php if($execution->type != 'ops'):?>
     <a class="checkbox-primary pull-left" id='zeroTaskStory' href='javascript:toggleZeroTaskStory();'>
       <label><?php echo $lang->story->zeroTask;?></label>
     </a>
@@ -61,7 +61,7 @@
           <tr>
             <th class='w-30px'><?php echo $lang->idAB;?></th>
             <th class='w-150px<?php echo zget($visibleFields, 'module', ' hidden') . zget($requiredFields, 'module', '', ' required');?>'><?php echo $lang->task->module?></th>
-            <?php if($project->type != 'ops'):?>
+            <?php if($execution->type != 'ops'):?>
             <th class='w-200px<?php echo zget($visibleFields, 'story', ' hidden') . zget($requiredFields, 'story', '', ' required'); echo $hiddenStory;?>'><?php echo $lang->task->story;?></th>
             <?php endif;?>
             <th class='c-name required has-btn'><?php echo $lang->task->name;?></span></th>
@@ -84,7 +84,7 @@
           $lang->task->typeList['ditto'] = $lang->task->ditto;
           $members['ditto'] = $lang->task->ditto;
           $modules['ditto'] = $lang->task->ditto;
-          if($project->type == 'ops') $colspan = $colspan - 1;
+          if($execution->type == 'ops') $colspan = $colspan - 1;
           ?>
           <?php for($i = 0; $i < $config->task->batchCreate; $i++):?>
           <?php
@@ -104,10 +104,10 @@
           <tr>
             <td class='text-center'><?php echo $i + 1;?></td>
             <td <?php echo zget($visibleFields, 'module', "class='hidden'")?> style='overflow:visible'>
-              <?php echo html::select("module[$i]", $modules, $module, "class='form-control chosen' onchange='setStories(this.value, $project->id, $i)'")?>
+              <?php echo html::select("module[$i]", $modules, $module, "class='form-control chosen' onchange='setStories(this.value, $execution->id, $i)'")?>
               <?php echo html::hidden("parent[$i]", $parent);?>
             </td>
-            <?php if($project->type != 'ops'):?>
+            <?php if($execution->type != 'ops'):?>
             <td <?php echo zget($visibleFields, 'story', "class='hidden'"); echo $hiddenStory;?> style='overflow: visible'>
               <div class='input-group'>
                 <?php echo html::select("story[$i]", $stories, $currentStory, "class='form-control chosen' onchange='setStoryRelated($i)'");?>
@@ -159,7 +159,7 @@
     <tr>
       <td class='text-center'>%s</td>
       <td <?php echo zget($visibleFields, 'module', "class='hidden'")?> style='overflow:visible'>
-        <?php echo html::select("module[%s]", $modules, $module, "class='form-control chosen' onchange='setStories(this.value, $project->id, \"%s\")'")?>
+        <?php echo html::select("module[%s]", $modules, $module, "class='form-control chosen' onchange='setStories(this.value, $execution->id, \"%s\")'")?>
         <?php echo html::hidden("parent[%s]", $parent);?>
       </td>
       <td <?php echo zget($visibleFields, 'story', "class='hidden'"); echo $hiddenStory;?> style='overflow: visible'>
@@ -195,7 +195,7 @@
     </tr>
   </tbody>
 </table>
-<?php js::set('projectType', $project->type);?>
+<?php js::set('executionType', $execution->type);?>
 <?php js::set('storyTasks', $storyTasks);?>
 <?php js::set('mainField', 'name');?>
 <?php js::set('ditto', $lang->task->ditto);?>
diff --git a/module/task/view/batchedit.html.php b/module/task/view/batchedit.html.php
index add72714c8..52fd386645 100755
--- a/module/task/view/batchedit.html.php
+++ b/module/task/view/batchedit.html.php
@@ -80,8 +80,8 @@ js::set('dittoNotice', $dittoNotice);
           <?php
           if(!isset($execution))
           {
-              $prjInfo = $this->project->getById($tasks[$taskID]->project);
-              $modules = $this->tree->getOptionMenu($tasks[$taskID]->project, $viewType = 'task');
+              $prjInfo = $this->execution->getById($tasks[$taskID]->execution);
+              $modules = $this->tree->getOptionMenu($tasks[$taskID]->execution, $viewType = 'task');
               foreach($modules as $moduleID => $moduleName) $modules[$moduleID] = '/' . $prjInfo->name. $moduleName;
               $modules = array('ditto' => $this->lang->task->ditto) + $modules;
           }
@@ -91,7 +91,7 @@ js::set('dittoNotice', $dittoNotice);
             <?php $disableHour = (isset($teams[$taskID]) or $tasks[$taskID]->parent < 0) ? "disabled='disabled'" : '';?>
             <?php
             $members      = array('' => '', 'ditto' => $this->lang->task->ditto);
-            $teamAccounts = array_keys($executionTeams[$tasks[$taskID]->project]);
+            $teamAccounts = array_keys($executionTeams[$tasks[$taskID]->execution]);
             foreach($teamAccounts as $teamAccount) $members[$teamAccount] = $users[$teamAccount];
             $members['closed'] = 'Closed';
 
diff --git a/module/task/view/create.html.php b/module/task/view/create.html.php
index bec67374b9..90ed3392ba 100644
--- a/module/task/view/create.html.php
+++ b/module/task/view/create.html.php
@@ -33,7 +33,7 @@
       <table class='table table-form'>
         <tr>
           <th><?php echo $lang->task->execution;?></th>
-          <td><?php echo html::select('project', $projects, $project->id, "class='form-control chosen' onchange='loadAll(this.value)' required");?></td><td></td><td></td>
+          <td><?php echo html::select('execution', $executions, $execution->id, "class='form-control chosen' onchange='loadAll(this.value)' required");?></td><td></td><td></td>
         </tr>
         <tr>
           <th><?php echo $lang->task->type;?></th>
@@ -46,7 +46,7 @@
         </tr>
         <tr>
           <th><?php echo $lang->task->module;?></th>
-          <td id='moduleIdBox'><?php echo html::select('module', $moduleOptionMenu, $task->module, "class='form-control chosen' onchange='setStories(this.value, $project->id)'");?></td>
+          <td id='moduleIdBox'><?php echo html::select('module', $moduleOptionMenu, $task->module, "class='form-control chosen' onchange='setStories(this.value, $execution->id)'");?></td>
           <td>
             <div class="checkbox-primary">
               <input type="checkbox" id="showAllModule" <?php if($showAllModule) echo 'checked';?>><label for="showAllModule" class="no-margin"><?php echo $lang->task->allModule;?></label>
@@ -75,12 +75,12 @@
           <td><?php echo html::hidden('status', 'wait');?></td>
         </tr>
         <?php $this->printExtendFields('', 'table', 'columns=3');?>
-        <?php if(strpos(",$showFields,", ',story,') !== false and $project->type != 'ops'):?>
+        <?php if(strpos(",$showFields,", ',story,') !== false and $execution->type != 'ops'):?>
         <tr>
           <th><?php echo $lang->task->story;?></th>
           <td colspan='3'>
             <?php if(empty($stories)):?>
-            <span id='storyBox'><?php printf($lang->task->noticeLinkStory, html::a($this->createLink('project', 'linkStory', "projectID=$project->id"), $lang->project->linkStory, '_blank', 'class="text-primary"'), html::a("javascript:loadStories($project->id)", $lang->refresh, '', 'class="text-primary"'));?></span>
+            <span id='storyBox'><?php printf($lang->task->noticeLinkStory, html::a($this->createLink('execution', 'linkStory', "executionID=$execution->id"), $lang->execution->linkStory, '_blank', 'class="text-primary"'), html::a("javascript:loadStories($execution->id)", $lang->refresh, '', 'class="text-primary"'));?></span>
             <?php else:?>
             <div class='input-group'>
               <?php echo html::select('story', array($task->story => $stories[$task->story]), $task->story, "class='form-control chosen' onchange='setStoryRelated();'");?>
@@ -90,7 +90,7 @@
           </td>
         </tr>
         <?php endif;?>
-        <?php if($stories and $project->type != 'ops'):?>
+        <?php if($stories and $execution->type != 'ops'):?>
         <tr id='testStoryBox' class='hidden'>
           <th><?php echo $lang->task->selectTestStory;?></th>
           <td colspan='3'>
@@ -234,7 +234,7 @@
           <th><?php echo $lang->story->mailto;?></th>
           <td colspan='3'>
             <div class="input-group">
-              <?php echo html::select('mailto[]', $project->acl == 'private' ? $members : $users, str_replace(' ', '', $task->mailto), "class='form-control chosen' data-placeholder='{$lang->chooseUsersToMail}' multiple");?>
+              <?php echo html::select('mailto[]', $execution->acl == 'private' ? $members : $users, str_replace(' ', '', $task->mailto), "class='form-control chosen' data-placeholder='{$lang->chooseUsersToMail}' multiple");?>
               <?php echo $this->fetch('my', 'buildContactLists');?>
             </div>
           </td>
@@ -295,7 +295,7 @@
 <?php js::set('stories', $stories);?>
 <?php js::set('storyPinYin', (empty($config->isINT) and class_exists('common')) ? common::convert2Pinyin($stories) : array());?>
 <?php js::set('testStoryIdList', $testStoryIdList);?>
-<?php js::set('projectID', $project->id);?>
+<?php js::set('executionID', $execution->id);?>
 <script>
 $(function(){parent.$('body.hide-modal-close').removeClass('hide-modal-close');})
 </script>
diff --git a/module/task/view/edit.html.php b/module/task/view/edit.html.php
index 2629f639a1..b750893a97 100644
--- a/module/task/view/edit.html.php
+++ b/module/task/view/edit.html.php
@@ -16,9 +16,9 @@
 <?php include '../../common/view/sortable.html.php';?>
 <?php js::set('oldStoryID', $task->story);?>
 <?php js::set('oldAssignedTo', $task->assignedTo);?>
-<?php js::set('oldProjectID', $task->project);?>
-<?php js::set('confirmChangeProject', $lang->task->confirmChangeProject);?>
-<?php js::set('changeProjectConfirmed', false);?>
+<?php js::set('oldExecutionID', $task->execution);?>
+<?php js::set('confirmChangeExecution', $lang->task->confirmChangeExecution);?>
+<?php js::set('changeExecutionConfirmed', false);?>
 <?php js::set('newRowCount', count($task->team) < 6 ? 6 - count($task->team) : 1);?>
 <div class='main-content' id='mainContent'>
   <form method='post' enctype='multipart/form-data' target='hiddenwin' id='dataform'>
@@ -91,10 +91,10 @@
               <?php if($task->parent <= 0):?>
               <tr>
                 <th class='thWidth'><?php echo $lang->task->execution;?></th>
-                <td><?php echo html::select('project', $projects, $task->project, 'class="form-control chosen" onchange="loadAll(this.value)"');?></td>
+                <td><?php echo html::select('execution', $executions, $task->execution, 'class="form-control chosen" onchange="loadAll(this.value)"');?></td>
               </tr>
               <?php else:?>
-              <?php echo html::hidden('project', $task->project);?>
+              <?php echo html::hidden('execution', $task->execution);?>
               <?php endif;?>
               <tr>
                 <th class='thWidth'><?php echo $lang->task->module;?></th>
@@ -109,7 +109,7 @@
                   </div>
                 </td>
               </tr>
-              <?php if($project->type != 'ops'):?>
+              <?php if($execution->type != 'ops'):?>
               <tr>
                 <th><?php echo $lang->task->story;?></th>
                 <td><span id="storyIdBox"><?php echo html::select('story', $stories, $task->story, "class='form-control chosen'");?></span></td>
@@ -163,7 +163,7 @@
                 <th><?php echo $lang->task->mailto;?></th>
                 <td>
                   <div class='input-group'>
-                    <?php echo html::select('mailto[]', $project->acl == 'private' ? $members : $users, str_replace(' ' , '', $task->mailto), 'class="form-control chosen" multiple');?>
+                    <?php echo html::select('mailto[]', $execution->acl == 'private' ? $members : $users, str_replace(' ' , '', $task->mailto), 'class="form-control chosen" multiple');?>
                     <?php echo $this->fetch('my', 'buildContactLists');?>
                   </div>
                 </td>
@@ -305,5 +305,5 @@
     </div>
   </form>
 </div>
-<?php js::set('projectID', $project->id);?>
+<?php js::set('executionID', $execution->id);?>
 <?php include '../../common/view/footer.html.php';?>
diff --git a/module/task/view/recordestimate.html.php b/module/task/view/recordestimate.html.php
index a6e624436a..d5d71034b6 100644
--- a/module/task/view/recordestimate.html.php
+++ b/module/task/view/recordestimate.html.php
@@ -53,8 +53,8 @@
           <tr class="text-center">
             <td><?php echo $estimate->id;?></td>
             <td><?php echo $estimate->date;?></td>
-            <td title="<?php echo $estimate->consumed . ' ' . $lang->project->workHour;?>"><?php echo $estimate->consumed . ' ' . $lang->project->workHourUnit;?></td>
-            <td title="<?php echo $estimate->left     . ' ' . $lang->project->workHour;?>"><?php echo $estimate->left     . ' ' . $lang->project->workHourUnit;?></td>
+            <td title="<?php echo $estimate->consumed . ' ' . $lang->execution->workHour;?>"><?php echo $estimate->consumed . ' ' . $lang->execution->workHourUnit;?></td>
+            <td title="<?php echo $estimate->left     . ' ' . $lang->execution->workHour;?>"><?php echo $estimate->left     . ' ' . $lang->execution->workHourUnit;?></td>
             <td class="text-left" title="<?php echo $estimate->work;?>"><?php echo $estimate->work;?></td>
             <?php if(empty($task->team) or $task->assignedTo == $this->app->user->account):?>
             <td align='center' class='c-actions'>
diff --git a/module/task/view/report.html.php b/module/task/view/report.html.php
index a7e82fb174..e5be52a658 100644
--- a/module/task/view/report.html.php
+++ b/module/task/view/report.html.php
@@ -5,7 +5,7 @@
  * @copyright   Copyright 2009-2015 青岛易软天创网络科技有限公司(QingDao Nature Easy Soft Network Technology Co,LTD, www.cnezsoft.com)
  * @license     ZPL (http://zpl.pub/page/zplv12.html)
  * @author      wenjie<wenjie@cnezsoft.com>
- * @package     project
+ * @package     execution
  * @version     $Id: report.html.php 1594 2011-04-10 11:00:00Z wj $
  * @link        http://www.zentao.net
  */
@@ -13,7 +13,7 @@
 <?php include '../../common/view/header.html.php';?>
 <div id="mainMenu" class="clearfix">
   <div class="btn-toolbar pull-left">
-    <?php echo html::a($this->createLink('project', 'task', "projectID=$projectID&browseType=$browseType"), $lang->goback, '', "class='btn'");?>
+    <?php echo html::a($this->createLink('execution', 'task', "executionID=$executionID&browseType=$browseType"), $lang->goback, '', "class='btn'");?>
     <div class='divider'></div>
     <div class='page-title'>
       <span class='text'><?php echo $lang->task->report->common;?></span>
@@ -46,7 +46,7 @@
         <?php echo html::a("javascript:changeChartType(\"$type\")", ($type == 'default' ? "<i class='icon icon-list-alt muted'></i> " : "<i class='icon icon-chart-{$type} muted'></i> ") . $typeName, '', "class='btn btn-link " . ($type == $chartType ? 'btn-active-line' : '') . "'")?>
         <?php endforeach;?>
       </div>
-      <div class='text-muted' style='padding-top:5px'><?php echo str_replace('%tab%', $lang->project->unclosed . $lang->task->common, $lang->report->notice->help);?></div>
+      <div class='text-muted' style='padding-top:5px'><?php echo str_replace('%tab%', $lang->execution->unclosed . $lang->task->common, $lang->report->notice->help);?></div>
       <?php foreach($charts as $chartType => $chartOption):?>
       <div class='table-row chart-row'>
         <div class='main-col'>
@@ -83,6 +83,6 @@
     </div>
   </div>
 </div>
-<?php js::set('projectID',  $projectID);?>
+<?php js::set('executionID', $executionID);?>
 <?php js::set('browseType', $browseType);?>
 <?php include '../../common/view/footer.html.php';?>
diff --git a/module/task/view/view.html.php b/module/task/view/view.html.php
index b621fbbbd3..0a662bfe6c 100644
--- a/module/task/view/view.html.php
+++ b/module/task/view/view.html.php
@@ -12,7 +12,7 @@
 ?>
 <?php include '../../common/view/header.html.php';?>
 <?php include '../../common/view/kindeditor.html.php';?>
-<?php $browseLink = $app->session->taskList != false ? $app->session->taskList : $this->createLink('project', 'browse', "projectID=$task->project");?>
+<?php $browseLink = $app->session->taskList != false ? $app->session->taskList : $this->createLink('execution', 'browse', "executionID=$task->execution");?>
 <?php js::set('sysurl', common::getSysUrl());?>
 <div id="mainMenu" class="clearfix">
   <div class="btn-toolbar pull-left">
@@ -39,8 +39,8 @@
   <div class="btn-toolbar pull-right">
     <?php
     $checkObject = new stdclass();
-    $checkObject->project = $task->project;
-    $link = $this->createLink('task', 'create', "project={$task->project}&storyID={$task->story}&moduleID={$task->module}");
+    $checkObject->execution = $task->execution;
+    $link = $this->createLink('task', 'create', "execution={$task->execution}&storyID={$task->story}&moduleID={$task->module}");
     if(common::hasPriv('task', 'create', $checkObject)) echo html::a($link, "<i class='icon icon-plus'></i> {$lang->task->create}", '', "class='btn btn-primary'");
     ?>
   </div>
@@ -55,7 +55,7 @@
           <?php echo !empty($task->desc) ? $task->desc : "<div class='text-center text-muted'>" . $lang->noData . '</div>';?>
         </div>
       </div>
-      <?php if($project->type != 'ops'):?>
+      <?php if($execution->type != 'ops'):?>
       <?php if($task->fromBug != 0):?>
       <div class="detail">
         <div class="detail-title"><?php echo $lang->bug->steps;?></div>
@@ -126,7 +126,7 @@
                 <td class='visible-lg'><?php echo $child->left;?></td>
                 <td class='c-actions'>
                   <?php
-                  common::printIcon('task', 'assignTo', "projectID=$child->project&taskID=$child->id", $child, 'list', '', '', 'iframe showinonlybody', true);
+                  common::printIcon('task', 'assignTo', "executionID=$child->execution&taskID=$child->id", $child, 'list', '', '', 'iframe showinonlybody', true);
                   common::printIcon('task', 'start',    "taskID=$child->id", $child, 'list', '', '', 'iframe showinonlybody', true);
                   common::printIcon('task', 'activate', "taskID=$child->id", $child, 'list', '', '', 'iframe showinonlybody', true);
                   common::printIcon('task', 'close',    "taskID=$child->id", $child, 'list', '', '', 'iframe showinonlybody', true);
@@ -157,8 +157,8 @@
         <?php if(!isonlybody()) echo "<div class='divider'></div>";?>
         <?php if(!$task->deleted):?>
         <?php
-        if(empty($task->team) or empty($task->children)) common::printIcon('task', 'batchCreate', "project=$task->project&storyID=$task->story&moduleID=$task->module&taskID=$task->id", $task, 'button', 'split', '', '', '', "title='{$lang->task->children}'", $lang->task->children);
-        common::printIcon('task', 'assignTo',       "projectID=$task->project&taskID=$task->id", $task, 'button', '', '', 'iframe', true, '', empty($task->team) ? $lang->task->assignTo : $lang->task->transfer);
+        if(empty($task->team) or empty($task->children)) common::printIcon('task', 'batchCreate', "execution=$task->execution&storyID=$task->story&moduleID=$task->module&taskID=$task->id", $task, 'button', 'split', '', '', '', "title='{$lang->task->children}'", $lang->task->children);
+        common::printIcon('task', 'assignTo',       "executionID=$task->execution&taskID=$task->id", $task, 'button', '', '', 'iframe', true, '', empty($task->team) ? $lang->task->assignTo : $lang->task->transfer);
         common::printIcon('task', 'start',          "taskID=$task->id", $task, 'button', '', '', 'iframe showinonlybody', true);
         common::printIcon('task', 'restart',        "taskID=$task->id", $task, 'button', '', '', 'iframe showinonlybody', true);
         common::printIcon('task', 'recordEstimate', "taskID=$task->id", $task, 'button', '', '', 'iframe showinonlybody', true);
@@ -172,8 +172,8 @@
 
         if(!isonlybody()) echo "<div class='divider'></div>";
         common::printIcon('task', 'edit', "taskID=$task->id", $task, 'button', '', '', 'showinonlybody');
-        common::printIcon('task', 'create', "projctID={$task->project}&storyID=0&moduleID=0&taskID=$task->id", $task, 'button', 'copy');
-        common::printIcon('task', 'delete', "projectID=$task->project&taskID=$task->id", $task, 'button', 'trash', 'hiddenwin');
+        common::printIcon('task', 'create', "projctID={$task->execution}&storyID=0&moduleID=0&taskID=$task->id", $task, 'button', 'copy');
+        common::printIcon('task', 'delete', "executionID=$task->execution&taskID=$task->id", $task, 'button', 'trash', 'hiddenwin');
         if($task->parent > 0) echo html::a(helper::createLink('task', 'view', "taskID=$task->parent"), "<i class='icon icon-chevron-double-up'></i>", '', "class='btn btn-link' title='{$lang->task->parent}'");
         ?>
         <?php endif;?>
@@ -196,7 +196,7 @@
               <tbody>
                 <tr>
                   <th class='w-90px'><?php echo $lang->task->execution;?></th>
-                  <td><?php if(!common::printLink('project', 'view', "projectID=$task->project", $project->name)) echo $project->name;?></td>
+                  <td><?php if(!common::printLink('execution', 'view', "executionID=$task->execution", $execution->name)) echo $execution->name;?></td>
                 </tr>
                 <tr>
                   <th><?php echo $lang->task->module;?></th>
@@ -218,7 +218,7 @@
                      foreach($modulePath as $key => $module)
                      {
                          $moduleTitle .= $module->name;
-                         if(!common::printLink('project', 'task', "projectID=$task->project&browseType=byModule&param=$module->id", $module->name)) echo $module->name;
+                         if(!common::printLink('execution', 'task', "executionID=$task->execution&browseType=byModule&param=$module->id", $module->name)) echo $module->name;
                          if(isset($modulePath[$key + 1]))
                          {
                              $moduleTitle .= '/';
@@ -231,7 +231,7 @@
                   ?>
                   <td title='<?php echo $moduleTitle?>'><?php echo $printModule?></td>
                 </tr>
-                <?php if($project->type != 'ops'):?>
+                <?php if($execution->type != 'ops'):?>
                 <tr class='nofixed'>
                   <th><?php echo $lang->task->story;?></th>
                   <td>