diff --git a/module/task/control.php b/module/task/control.php
index b279ca2b61..2ff4c5102e 100755
--- a/module/task/control.php
+++ b/module/task/control.php
@@ -66,25 +66,25 @@ class task extends control
         if(!empty($_POST))
         {
             /* Prepare the data information before create the task. */
-            $result = $this->taskZen->buildForCreate($executionID, (float)$this->post->estimate, $this->post->estStarted, $this->post->deadline, (bool)$this->post->selectTestStory);
+            $result = $this->taskZen->buildDataForCreate($executionID, (float)$this->post->estimate, $this->post->estStarted, $this->post->deadline, (bool)$this->post->selectTestStory);
             if(dao::isError()) return $this->send(array('result' => 'fail', 'message' => dao::getError()));
 
-            list($task, $testTasks, $duplicateTaskID) = $result;
+            list($taskData, $testTaskData, $duplicateTaskID) = $result;
             if($duplicateTaskID) return $this->send(array('result' => 'success', 'message' => sprintf($this->lang->duplicate, $this->lang->task->common), 'load' => $this->createLink('task', 'view', "taskID={$duplicateTaskID}")));
 
             /* Create task. */
-            $taskIdList = $this->task->create($task, $this->post->assignedTo, (int)$this->post->multiple, $this->post->team, (bool)$this->post->selectTestStory, $this->post->teamSource, $this->post->teamEstimate, $this->post->teamConsumed, $this->post->teamLeft);
+            $taskIdList = $this->task->create($taskData, $this->post->assignedTo, (int)$this->post->multiple, $this->post->team, (bool)$this->post->selectTestStory, $this->post->teamSource, $this->post->teamEstimate, $this->post->teamConsumed, $this->post->teamLeft);
             if(dao::isError()) return $this->send(array('result' => 'fail', 'message' => dao::getError()));
 
             /* Update other data related to the task after it is created. */
-            $task->id = current($taskIdList);
+            $taskData->id = current($taskIdList);
             $columnID = isset($output['columnID']) ? (int)$output['columnID'] : 0;
-            $this->task->afterCreate($task, $taskIdList, $bugID, $todoID, $testTasks);
-            $this->task->updateKanbanData($execution, $task, (int)$this->post->lane, $columnID);
+            $this->task->afterCreate($taskData, $taskIdList, $bugID, $todoID, $testTaskData);
+            $this->task->updateKanbanData($execution, $taskData, (int)$this->post->lane, $columnID);
             helper::setcookie('lastTaskModule', (int)$this->post->module);
 
             /* Get the information returned after a task is created. */
-            $response = $this->taskZen->responseAfterCreate($task, $execution, $this->post->after);
+            $response = $this->taskZen->responseAfterCreate($taskData, $execution, $this->post->after);
             return $this->send($response);
         }
 
@@ -122,10 +122,10 @@ class task extends control
         if(!empty($_POST))
         {
             /* 批量创建任务。 Batch create tasks. */
-            $tasks = $this->taskZen->buildTasksForBatchCreate($execution, $taskID);
+            $taskData = $this->taskZen->buildTasksForBatchCreate($execution, $taskID);
             if(dao::isError()) return print(js::error(dao::getError()));
 
-            $taskIdList = $this->task->batchCreate($execution, $tasks, $taskID, $output);
+            $taskIdList = $this->task->batchCreate($execution, $taskData, $taskID, $output);
             if(dao::isError()) return print(js::error(dao::getError()));
 
             /* 接口调用返回任务编号列表。 Return task id list when call the API. */
@@ -302,8 +302,8 @@ class task extends control
             if(!is_array($this->post->taskIDList)) return print(js::locate($this->createLink('execution', 'task', "executionID={$executionID}"), 'parent'));
 
             $this->loadModel('action');
-            $tasks = $this->taskZen->prepareBatchAssignedTasks($this->post->taskIDList, $this->post->assignedTo);
-            foreach($tasks as $taskID => $task)
+            $taskData = $this->taskZen->buildTasksForBatchAssignTo($this->post->taskIDList, $this->post->assignedTo);
+            foreach($taskData as $taskID => $task)
             {
                 /* Assign task. */
                 $changes = $this->task->assign($task);
@@ -376,13 +376,7 @@ class task extends control
 
         $this->executeHooks($taskID);
 
-        $title      = "TASK#$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;
+        $this->view->title        = "TASK#$task->id $task->name / $execution->name";
         $this->view->execution    = $execution;
         $this->view->task         = $task;
         $this->view->actions      = $this->loadModel('action')->getList('task', $taskID);
@@ -607,10 +601,9 @@ class task extends control
             return print(js::locate($url, 'parent'));
         }
 
-        $this->view->title      = $this->lang->task->editEstimate;
-        $this->view->position[] = $this->lang->task->editEstimate;
-        $this->view->estimate   = $estimate;
-        $this->view->task       = $this->task->getById($estimate->objectID);
+        $this->view->title    = $this->lang->task->editEstimate;
+        $this->view->estimate = $estimate;
+        $this->view->task     = $this->task->getById($estimate->objectID);
         $this->display();
     }
 
@@ -753,11 +746,9 @@ class task extends control
             if($currentTeam) $task->myConsumed = $currentTeam->consumed;
         }
 
-        $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;
-        $this->view->users      = $this->loadModel('user')->getPairs('noletter');
-
+        $this->view->title   = $this->view->execution->name . $this->lang->colon .$this->lang->task->finish;
+        $this->view->members = $members;
+        $this->view->users   = $this->loadModel('user')->getPairs('noletter');
         $this->display();
     }
 
@@ -866,8 +857,6 @@ class task extends control
         }
 
         $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    = $this->loadModel('user')->getTeamMemberPairs($task->execution, 'execution', 'nodeleted');
         $this->view->assignedTo = $task->assignedTo == '' ? $this->app->user->account : $task->assignedTo;
@@ -955,10 +944,8 @@ class task extends control
             }
         }
 
-        $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');
-
+        $this->view->title = $this->view->execution->name . $this->lang->colon .$this->lang->task->finish;
+        $this->view->users = $this->loadModel('user')->getPairs('noletter');
         $this->display();
     }
 
@@ -1157,9 +1144,8 @@ class task extends control
             $this->view->teamMembers = $teamMembers;
         }
 
-        $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->view->title = $this->view->execution->name . $this->lang->colon . $this->lang->task->activate;
+        $this->view->users = $this->loadModel('user')->getPairs('noletter');
         $this->display();
     }
 
@@ -1353,18 +1339,14 @@ class task extends control
         $execution = $this->loadModel('execution')->getByID($executionID);
         if(!$execution->multiple) unset($this->lang->task->report->charts['tasksPerExecution']);
 
-        $executions = $this->execution->getPairs();
 
         $this->execution->setMenu($executionID);
-        $this->executions          = $executions;
+        $this->executions          = $this->execution->getPairs();
         $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->executionID   = $executionID;
         $this->view->browseType    = $browseType;
         $this->view->chartType     = $chartType;
         $this->view->checkedCharts = $this->post->charts ? implode(',', $this->post->charts) : '';
-
         $this->display();
     }
 
diff --git a/module/task/tao.php b/module/task/tao.php
index dbb141e9a6..bd7394c4db 100644
--- a/module/task/tao.php
+++ b/module/task/tao.php
@@ -33,7 +33,7 @@ class taskTao extends taskModel
         if(dao::isError()) return false;
 
         /* Get task id. */
-        $taskID = (int)$this->dao->lastInsertID();
+        $taskID = $this->dao->lastInsertID();
 
         /* Insert task desc data. */
         $taskSpec = new stdclass();
diff --git a/module/task/zen.php b/module/task/zen.php
index 423be4ff9a..9eaa1cb09c 100644
--- a/module/task/zen.php
+++ b/module/task/zen.php
@@ -439,15 +439,15 @@ class taskZen extends task
     }
 
     /**
-     * 准备批量指派的任务数据。
-     * Prepare batch assigned tasks.
+     * 构造待批量指派的任务数据。
+     * Build the task data to batch assign to.
      *
      * @param  string[]  $taskIdList
      * @param  string    $assignedTo
      * @access protected
      * @return object[]
      */
-    protected function prepareBatchAssignedTasks(array $taskIdList, string $assignedTo): array
+    protected function buildTasksForBatchAssignTo(array $taskIdList, string $assignedTo): array
     {
         $taskIdList     = array_unique($taskIdList);
         $muletipleTasks = $this->dao->select('task, account')->from(TABLE_TASKTEAM)->where('task')->in($taskIdList)->fetchGroup('task', 'account');
@@ -510,12 +510,12 @@ class taskZen extends task
      * Build the task data to create.
      *
      * @param  int       $executionID
-     * @param  object    $formData
      * @access protected
      * @return object
      */
-    protected function buildTaskForCreate(int $executionID, object $formData): object
+    protected function buildTaskForCreate(int $executionID): object
     {
+        $formData  = form::data($this->config->task->form->create);
         $postData  = $formData->get();
         $execution = $this->dao->findById($postData->execution)->from(TABLE_EXECUTION)->fetch();
         $team      = !empty($postData->team) ? array_filter($postData->team) : array();
@@ -717,7 +717,7 @@ class taskZen extends task
      * @access protected
      * @return bool
      */
-    protected function checkCreate(int $executionID, float $estimate, string $estStarted, string $deadline): bool
+    protected function checkCreateTask(int $executionID, float $estimate, string $estStarted, string $deadline): bool
     {
         /* Check if the estimate is positive. */
         if($estimate < 0)
@@ -768,7 +768,7 @@ class taskZen extends task
      * @access protected
      * @return bool
      */
-    protected function checkTestTasks(array $tasks): bool
+    protected function checkCreateTestTasks(array $tasks): bool
     {
         foreach($tasks as $task)
         {
@@ -933,9 +933,9 @@ class taskZen extends task
         if(!$storyID && !isset($moduleOptionMenu[$task->module])) $task->module = 0;
 
         /* Display relevant variables. */
-        $this->assignExecution4Create($execution);
-        $this->assignStory4Create($executionID);
-        if($execution->type == 'kanban') $this->assignKanban4Create($executionID, $output);
+        $this->assignExecutionForCreate($execution);
+        $this->assignStoryForCreate($executionID);
+        if($execution->type == 'kanban') $this->assignKanbanForCreate($executionID, $output);
 
         /* Set Custom fields. */
         foreach(explode(',', $this->config->task->customCreateFields) as $field) $customFields[$field] = $this->lang->task->$field;
@@ -1023,7 +1023,7 @@ class taskZen extends task
      * @access protected
      * @return void
      */
-    protected function assignExecution4Create(object $execution): void
+    protected function assignExecutionForCreate(object $execution): void
     {
         $projectID     = $execution ? $execution->project : 0;
         $lifetimeList  = array();
@@ -1065,7 +1065,7 @@ class taskZen extends task
      * @access protected
      * @return void
      */
-    protected function assignStory4Create(int $executionID): void
+    protected function assignStoryForCreate(int $executionID): void
     {
         $stories         = $this->story->getExecutionStoryPairs($executionID, 0, 'all', '', '', 'active');
         $testStoryIdList = $this->loadModel('story')->getTestStories(array_keys($stories), $executionID);
@@ -1089,7 +1089,7 @@ class taskZen extends task
      * @access protected
      * @return void
      */
-    protected function assignKanban4Create(int $executionID, array $output): void
+    protected function assignKanbanForCreate(int $executionID, array $output): void
     {
         $this->loadModel('kanban');
 
@@ -1118,22 +1118,21 @@ class taskZen extends task
      * @access protected
      * @return false|array
      */
-    protected function buildForCreate(int $executionID, float $estimate, string $estStarted, string $deadline, bool $selectTestStory): false|array
+    protected function buildDataForCreate(int $executionID, float $estimate, string $estStarted, string $deadline, bool $selectTestStory): false|array
     {
         /* Check if the input post data meets the requirements. */
-        $result = $this->checkCreate($executionID, $estimate, $estStarted, $deadline);
+        $result = $this->checkCreateTask($executionID, $estimate, $estStarted, $deadline);
         if(!$result) return false;
 
         /* Process the request data for the create task. */
-        $formData = form::data($this->config->task->form->create);
-        $task     = $this->buildTaskForCreate($executionID, $formData);
+        $task = $this->buildTaskForCreate($executionID);
 
         /* Prepare to create the data for the test subtask and to check the data format. */
         $testTasks = array();
         if($selectTestStory && $task->type == 'test')
         {
-            $testTasks = $this->buildTestTasksForCreate($executionID, $formData);
-            $result    = $this->checkTestTasks($testTasks);
+            $testTasks = $this->buildTestTasksForCreate($executionID);
+            $result    = $this->checkCreateTestTasks($testTasks);
             if(!$result) return false;
         }
 
@@ -1148,11 +1147,10 @@ class taskZen extends task
      * Build subtask data for the test type to create.
      *
      * @param  int       $executionID
-     * @param  object    $formData
      * @access protected
      * @return array
      */
-    protected function buildTestTasksForCreate(int $executionID, object $formData): array
+    protected function buildTestTasksForCreate(int $executionID): array
     {
         /* Set data for the type of test task that has linked stories. */
         $testTasks = array();
@@ -1348,7 +1346,7 @@ class taskZen extends task
     {
         /* 获取区域和泳道下拉数据，并设置区域和泳道的默认值。 */
         /* Get region and lane dropdown data and set default values for regions and lanes. */
-        if($execution->type == 'kanban') $this->assignKanban4Create($execution->id, $output);
+        if($execution->type == 'kanban') $this->assignKanbanForCreate($execution->id, $output);
 
         if($taskID)
         {