diff --git a/framework/control.class.php b/framework/control.class.php
index f7b7adf73f..7d90e848c1 100644
--- a/framework/control.class.php
+++ b/framework/control.class.php
@@ -58,7 +58,18 @@ class control extends baseControl
 
             $viewFile = file_exists($commonExtViewFile) ? $commonExtViewFile : $mainViewFile;
             $viewFile = (!empty($siteExtViewFile) and file_exists($siteExtViewFile)) ? $siteExtViewFile : $viewFile;
-            if(!is_file($viewFile)) $this->app->triggerError("the view file $viewFile not found", __FILE__, __LINE__, $exit = true);
+            if(!is_file($viewFile))
+            {
+                if($this->config->debug === false)
+                {
+                    die(js::locate($this->createLink('misc','ajaxerror', ".mhtml"), 'parent'));
+                }
+                else
+                {
+                    $this->app->triggerError("the view file $viewFile not found", __FILE__, __LINE__, $exit = true);
+                }
+            
+            }
 
             $commonExtHookFiles = glob($viewExtPath['common'] . $this->devicePrefix . $methodName . ".*.{$viewType}.hook.php");
             $siteExtHookFiles   = empty($viewExtPath['site']) ? '' : glob($viewExtPath['site'] . $this->devicePrefix . $methodName . ".*.{$viewType}.hook.php");
diff --git a/module/bug/control.php b/module/bug/control.php
index 8fde4f0b4d..31261e6253 100644
--- a/module/bug/control.php
+++ b/module/bug/control.php
@@ -1622,7 +1622,7 @@ class bug extends control
         }
         else
         {
-            $browseType = $this->lang->bug->moreSelects[$browseType];
+            $browseType = isset($this->lang->bug->moreSelects[$browseType]) ? $this->lang->bug->moreSelects[$browseType] : null;
         }
 
         $this->view->fileName        = $productName . $this->lang->dash . $browseType . $fileName;
diff --git a/module/doc/view/alllibs.html.php b/module/doc/view/alllibs.html.php
index e88ea1faf2..0ad688fdef 100644
--- a/module/doc/view/alllibs.html.php
+++ b/module/doc/view/alllibs.html.php
@@ -13,9 +13,7 @@
 <?php include '../../common/view/header.html.php';?>
 <?php $spliter = (empty($this->app->user->feedback) && !$this->cookie->feedbackView) ? true : false;?>
 <div class="main-row <?php if($spliter) echo 'split-row';?>" id="mainRow">
-  <?php if($spliter):?>
   <?php include './side.html.php';?>
-  <?php endif;?>
   <?php if($this->cookie->browseType == 'bylist'):?>
   <?php include dirname(__FILE__) . '/alllibsbylist.html.php';?>
   <?php else:?>
diff --git a/module/doc/view/browse.html.php b/module/doc/view/browse.html.php
index 5d38158ff4..db1ae3decb 100644
--- a/module/doc/view/browse.html.php
+++ b/module/doc/view/browse.html.php
@@ -21,9 +21,7 @@ var browseType = '<?php echo $browseType;?>';
 
 <?php $spliter = (empty($this->app->user->feedback) && !$this->cookie->feedbackView && $this->from == 'doc') ? true : false;?>
 <div class="main-row fade <?php if($spliter) echo 'split-row';?>" id="mainRow">
-  <?php if($spliter):?>
   <?php include './side.html.php';?>
-  <?php endif;?>
   <?php if($this->cookie->browseType == 'bygrid'):?>
   <?php include dirname(__FILE__) . '/browsebygrid.html.php';?>
   <?php else:?>
diff --git a/module/misc/control.php b/module/misc/control.php
index ec78640a24..20c81ded6c 100644
--- a/module/misc/control.php
+++ b/module/misc/control.php
@@ -193,4 +193,8 @@ class misc extends control
         $this->view->detailed = $detailed;
         $this->display();
     }
+    public function ajaxerror()
+    {
+        $this->display(); 
+    }
 }
diff --git a/module/misc/lang/zh-cn.php b/module/misc/lang/zh-cn.php
index a79da9eb40..ca4b7876e4 100644
--- a/module/misc/lang/zh-cn.php
+++ b/module/misc/lang/zh-cn.php
@@ -173,3 +173,5 @@ $lang->misc->feature->all['7.1.stable'][] = array('title'=>'提供rpm和deb包',
 
 $lang->misc->feature->all['6.3.stable'][] = array('title'=>'增加数据表格功能', 'desc' => '<p>可配置数据表格中可显示的字段，按照配置字段显示想看的数据</p>');
 $lang->misc->feature->all['6.3.stable'][] = array('title'=>'继续完善细节', 'desc' => '');
+
+$lang->misc->error = '此功能正在努力开发中...';
diff --git a/module/task/model.php b/module/task/model.php
index 029837eb42..4d6d887e38 100644
--- a/module/task/model.php
+++ b/module/task/model.php
@@ -1279,6 +1279,7 @@ class taskModel extends model
             ->remove('finishedDate,comment,assignedTo,files,labels,consumed')
             ->get();
         $estimate->consumed = $consumed;
+        $estimate->date     = $this->post->finishedDate;/*#task 7849*/
         if($estimate->consumed) $this->addTaskEstimate($estimate);
 
         if(!empty($oldTask->team))
@@ -2445,7 +2446,6 @@ class taskModel extends model
         $action = strtolower($action);
 
         if($action == 'start'          and !empty($task->children)) return false;
-        if($action == 'recordestimate' and !empty($task->children)) return false;
         if($action == 'finish'         and !empty($task->children)) return false;
         if($action == 'cancel'         and !empty($task->children)) return false;
         if($action == 'pause'          and !empty($task->children)) return false;
@@ -2454,6 +2454,7 @@ class taskModel extends model
         if($action == 'close'          and !empty($task->children)) return false;
         if($action == 'batchcreate'    and !empty($task->team))     return false;
         if($action == 'batchcreate'    and $task->parent > 0)       return false;
+        if($action == 'recordestimate' and $task->parent == -1)     return false;
 
         if($action == 'start')    return $task->status == 'wait';
         if($action == 'restart')  return $task->status == 'pause';
diff --git a/module/todo/control.php b/module/todo/control.php
index c902d01c65..5eee51a94e 100644
--- a/module/todo/control.php
+++ b/module/todo/control.php
@@ -64,7 +64,7 @@ class todo extends control
 
             if($this->app->getViewType() == 'xhtml') die(js::locate($this->createLink('todo', 'view', "todoID=$todoID"), 'parent'));
             if(isonlybody()) die(js::locate($this->createLink('my', 'todo', "type=$date"), 'parent.parent'));
-            die(js::locate($this->createLink('my', 'todo', "type=$date"), 'parent'));
+            die(js::locate($this->createLink('my', 'todo', "type=all"), 'parent'));
         }
 
         unset($this->lang->todo->typeList['cycle']);
diff --git a/module/todo/model.php b/module/todo/model.php
index 23f7cb2f5d..4b98bc96e5 100644
--- a/module/todo/model.php
+++ b/module/todo/model.php
@@ -35,7 +35,7 @@ class todoModel extends model
             ->setIF($this->post->begin == false, 'begin', '2400')
             ->setIF($this->post->end   == false, 'end',   '2400')
             ->stripTags($this->config->todo->editor->create['id'], $this->config->allowedTags)
-            ->remove('bug, task, story, uid')
+            ->remove('bug, task, story, uid, feedback')
             ->get();
         if(empty($todo->cycle)) unset($todo->config);
         if(!empty($todo->cycle))
@@ -77,11 +77,6 @@ class todoModel extends model
             $this->file->updateObjectID($this->post->uid, $todoID, 'todo');
             $this->loadModel('score')->create('todo', 'create', $todoID);
             if(!empty($todo->cycle)) $this->createByCycle(array($todoID => $todo));
-            if(isset($todo->type) and $todo->type == 'feedback')
-            {
-                $this->dao->update(TABLE_FEEDBACK)->set('`status`')->eq('closed')->where('id')->eq($todo->idvalue)->exec();
-                $this->loadModel('action')->create('feedback', $todo->idvalue, 'totodo', '', $todoID);
-            }
             return $todoID;
         }
     }
@@ -423,6 +418,20 @@ class todoModel extends model
         return $todos;
     }
 
+    /**
+     * Get by id list.
+     *
+     * @param  array $todoIDList
+     * @access public
+     * @return object
+     */
+    public function getByList($todoIDList = 0) 
+    {    
+        return $this->dao->select('*')->from(TABLE_TODO)
+            ->beginIF($todoIDList)->where('id')->in($todoIDList)->fi()
+            ->fetchAll('id');
+    }
+
     /**
      * Judge an action is clickable or not.
      *
diff --git a/module/todo/view/create.html.php b/module/todo/view/create.html.php
index 5f3f928962..55183b173a 100644
--- a/module/todo/view/create.html.php
+++ b/module/todo/view/create.html.php
@@ -101,7 +101,7 @@
         </tr>  
         <tr>
           <th><?php echo $lang->todo->desc;?></th>
-          <td colspan='2'><?php echo html::textarea('desc', '', "rows='8' class='form-control'");?></td>
+          <td colspan='2'><?php echo html::textarea('desc', isset($feedback->desc) ? $feedback->desc : '', "rows='8' class='form-control'");?></td>
         </tr>  
         <tr>
           <th><?php echo $lang->todo->status;?></th>
diff --git a/module/user/model.php b/module/user/model.php
index db604120af..fd646117f7 100644
--- a/module/user/model.php
+++ b/module/user/model.php
@@ -1433,7 +1433,7 @@ class userModel extends model
     public function checkProductPriv($product, $account, $groups, $linkedProjects, $teams) 
     {
         if(strpos($this->app->company->admins, ',' . $account . ',') !== false) return true;
-        if($product->PO == $account OR $product->QD == $account OR $product->RD == $account OR $product->createdBy == $account) return true;
+        if($product->PO == $account OR $product->QD == $account OR $product->RD == $account OR $product->createdBy == $account OR $product->feedback == $account) return true;
         if($product->acl == 'open') return true;
 
         if($product->acl == 'custom')