diff --git a/module/execution/model.php b/module/execution/model.php
index ee2c4fb8ce..a8e46e628e 100644
--- a/module/execution/model.php
+++ b/module/execution/model.php
@@ -1178,6 +1178,10 @@ class executionModel extends model
         {
             $link = helper::createLink($module, $method, "productID=0&branch=0&extra=executionID=%s");
         }
+        elseif($module == 'bug' and $method == 'view')
+        {
+            $link = helper::createLink('execution', 'bug', "executionID=%s");
+        }
         else
         {
             $link = helper::createLink($module, $method, "executionID=%s");
diff --git a/module/file/control.php b/module/file/control.php
index e9c08f9a49..ff5e46caa4 100644
--- a/module/file/control.php
+++ b/module/file/control.php
@@ -63,7 +63,7 @@ class file extends control
                     die(json_encode(array('error' => 1, 'message' => $this->lang->file->errorFileUpload)));
                 }
             }
-            if(@helper::saveFile($file['tmpname'], $this->file->savePath . $this->file->getSaveName($file['pathname'])))
+            if(@move_uploaded_file($file['tmpname'], $this->file->savePath . $this->file->getSaveName($file['pathname'])))
             {
                 /* Compress image for jpg and bmp. */
                 $file = $this->file->compressImage($file);
diff --git a/module/file/model.php b/module/file/model.php
index c798587d83..1a2252c579 100644
--- a/module/file/model.php
+++ b/module/file/model.php
@@ -262,7 +262,7 @@ class fileModel extends model
             }
             else
             {
-                if(!helper::saveFile($file['tmpname'], $tmpFileChunkPath)) return false;
+                if(!move_uploaded_file($file['tmpname'], $tmpFileChunkPath)) return false;
             }
 
             if($file['chunk'] == ($file['chunks'] - 1))
@@ -278,7 +278,7 @@ class fileModel extends model
         }
         else
         {
-            if(!helper::saveFile($file['tmpname'], $file['realpath'])) return false;
+            if(!move_uploaded_file($file['tmpname'], $file['realpath'])) return false;
 
             $uploadFile['extension'] = $file['extension'];
             $uploadFile['pathname']  = $file['pathname'];
@@ -471,7 +471,7 @@ class fileModel extends model
             $pathName = $filePath->pathname;
             $realPathName = $this->savePath . $this->getRealPathName($pathName);
             if(!is_dir(dirname($realPathName))) mkdir(dirname($realPathName));
-            helper::saveFile($file['tmpname'], $realPathName);
+            move_uploaded_file($file['tmpname'], $realPathName);
 
             $file['pathname'] = $pathName;
             $file = $this->compressImage($file);
@@ -966,4 +966,29 @@ class fileModel extends model
             die();
         }
     }
+
+    /**
+     * Get image size.
+     *
+     * @access public
+     * @param  object $file
+     * @return array
+     */
+    public function getImageSize($file)
+    {
+        if($this->config->file->storageType == 'fs')
+        {
+            return getimagesize($file->realPath);
+        }
+        else if($this->config->file->storageType == 's3')
+        {
+            $this->app->loadClass('ossclient', true);
+
+            $config    = $this->config->file;
+            $ossClient = new ossclient($config->accessKeyId, $config->accessKeySecret, $config->endpoint, $config->bucket);
+            $info      = $ossClient->getImageInfo($file->pathname);
+
+            return array($info->ImageWidth->value, $info->ImageHeight->value, 'img');
+        }
+    }
 }
diff --git a/module/file/view/printfiles.html.php b/module/file/view/printfiles.html.php
index b7de5a98cf..e4c7c2a783 100644
--- a/module/file/view/printfiles.html.php
+++ b/module/file/view/printfiles.html.php
@@ -53,7 +53,7 @@ $sessionString .= session_name() . '=' . session_id();
               $imageWidth = 0;
               if(stripos('jpg|jpeg|gif|png|bmp', $file->extension) !== false)
               {
-                  $imageSize  = getimagesize($file->realPath);
+                  $imageSize  = $this->file->getImageSize($file);
                   $imageWidth = $imageSize ? $imageSize[0] : 0;
               }
 
diff --git a/module/product/model.php b/module/product/model.php
index 5f8bb17ca5..dc6149eb9a 100644
--- a/module/product/model.php
+++ b/module/product/model.php
@@ -1601,7 +1601,8 @@ class productModel extends model
             }
             elseif($module == 'testtask')
             {
-                $link = helper::createLink($module, 'browse', "productID=%s" . ($branch ? "&branch=%s" : '&branch=0') . "&extra=$extra");
+                $extra = $method != 'browse' ? '' : "&extra=$extra";
+                $link  = helper::createLink($module, 'browse', "productID=%s" . ($branch ? "&branch=%s" : '&branch=0') . $extra);
             }
             elseif($module == 'bug' && $method == 'view')
             {
diff --git a/module/project/model.php b/module/project/model.php
index 3b5b3a0d57..2c27689277 100644
--- a/module/project/model.php
+++ b/module/project/model.php
@@ -815,6 +815,8 @@ class projectModel extends model
                 $this->dao->replace(TABLE_USERGROUP)->data($groupPriv)->exec();
             }
 
+            if($project->acl != 'open') $this->loadModel('user')->updateUserView($projectID, 'project');
+
             return $projectID;
         }
     }
diff --git a/module/upgrade/control.php b/module/upgrade/control.php
index 403469e06c..f51da2b2be 100644
--- a/module/upgrade/control.php
+++ b/module/upgrade/control.php
@@ -134,7 +134,7 @@ class upgrade extends control
 
         if(!$this->upgrade->isError())
         {
-            if(!$this->config->systemMode && !isset($this->config->qcVersion)) $this->locate(inlink('to15Guide', "fromVersion=$fromVersion"));
+            if(!$this->config->systemMode && !isset($this->config->qcVersion) && strpos($fromVersion, 'max') === false) $this->locate(inlink('to15Guide', "fromVersion=$fromVersion"));
             $this->locate(inlink('afterExec', "fromVersion=$fromVersion"));
         }
 
diff --git a/module/upgrade/model.php b/module/upgrade/model.php
index cefc175566..5c8a6dbf4f 100644
--- a/module/upgrade/model.php
+++ b/module/upgrade/model.php
@@ -4199,6 +4199,7 @@ class upgradeModel extends model
             $program->openedDate    = helper::now();
             $program->openedVersion = $this->config->version;
             $program->acl           = 'open';
+            $program->days          = $this->computeDaysDelta($program->begin, $program->end);
 
             $this->app->loadLang('program');
             $this->app->loadLang('project');
@@ -4274,6 +4275,7 @@ class upgradeModel extends model
             $project->status         = $data->projectStatus;
             $project->begin          = $data->begin;
             $project->end            = isset($data->end) ? $data->end : LONG_TIME;
+            $project->days           = $this->computeDaysDelta($project->begin, $project->end);
             $project->PM             = $data->PM;
             $project->auth           = 'extend';
             $project->openedBy       = $account;
@@ -4324,6 +4326,32 @@ class upgradeModel extends model
         return array($programID, $projectID, $lineID);
     }
 
+    /**
+     * Compute delta of two days.
+     *
+     * @param  string begin
+     * @param  string end
+     * @access public
+     * @return int
+     */
+    public function computeDaysDelta($begin, $end)
+    {
+        if($end == LONG_TIME) return 0;
+
+        $delta   = helper::diffDate($end, $begin);
+        $week    = date('w', strtotime($begin));
+        $weekend = 0;
+        for($i = 0; $i < $delta; $i++)
+        {
+            $week = $week % 7;
+            if($week == 0 or $week == 6) $weekend ++;
+
+            $week++;
+        }
+
+        return $delta - $weekend;
+    }
+
     /**
      * Replace program or project id for product and project linked objects.
      *
@@ -4397,8 +4425,11 @@ class upgradeModel extends model
             $this->dao->replace(TABLE_PROJECTCASE)->data($projectCase)->exec();
         }
 
-        /* Compute sprint path and grade. */
-        $sprints = $this->dao->select('id, type, acl')->from(TABLE_PROJECT)->where('id')->in($sprintIdList)->fetchAll();
+        /* Compute sprint path, grade and the minimum start date and end date of the project. */
+        $project      = $this->dao->findById($projectID)->from(TABLE_PROJECT)->fetch();
+        $sprints      = $this->dao->select('id, type, acl, begin, end')->from(TABLE_PROJECT)->where('id')->in($sprintIdList)->fetchAll();
+        $minBeginDate = $project->begin;
+        $maxEndData   = $project->end;
         foreach($sprints as $sprint)
         {
             $data = new stdclass();
@@ -4411,6 +4442,9 @@ class upgradeModel extends model
             $data->lifetime = empty($sprint->lifetime) ? $sprint->type : $sprint->lifetime;
 
             $this->dao->update(TABLE_PROJECT)->data($data)->where('id')->eq($sprint->id)->exec();
+
+            $minBeginDate = ($sprint->begin < $minBeginDate) ? $sprint->begin : $minBeginDate;
+            $maxEndData   = $sprint->end > $maxEndData ? $sprint->end : $maxEndData;
         }
 
         /* Compute project date and status. */
@@ -4429,6 +4463,13 @@ class upgradeModel extends model
             $data->closedDate = $maxRealEnd;
         }
 
+        if($minBeginDate != $project->begin or $maxEndData != $project->end)
+        {
+            $data->begin = $minBeginDate;
+            $data->end   = $maxEndData;
+            $data->days  = $this->computeDaysDelta($data->begin, $data->end);
+        }
+
         $this->dao->update(TABLE_PROJECT)->data($data)->where('id')->eq($projectID)->exec();
 
         /* Set product and project relation. */
@@ -4481,8 +4522,10 @@ class upgradeModel extends model
         $users = $this->dao->select('account')->from(TABLE_USER)->where('deleted')->eq('0')->fetchPairs('account', 'account');
 
         /* Insert product and sprint team into project team. */
-        $today = helper::today();
-        foreach($teams as $account)
+        $today         = helper::today();
+        $project       = $this->dao->findById($projectID)->from(TABLE_PROJECT)->fetch();
+        $projectMember = $this->dao->select('*')->from(TABLE_TEAM)->where('account')->in($teams)->fetchAll('account');
+        foreach($projectMember as $account => $user)
         {
             if(empty($account)) continue;
             if(!isset($users[$account])) continue;
@@ -4491,7 +4534,10 @@ class upgradeModel extends model
             $team->root    = $projectID;
             $team->type    = 'project';
             $team->account = $account;
+            $team->role    = $user->role;
             $team->join    = $today;
+            $team->days    = $project->days;
+            $team->hours   = '7.0';
             $this->dao->replace(TABLE_TEAM)->data($team)->exec();
         }