diff --git a/module/mr/config.php b/module/mr/config.php
index c64305044e..34ab48ebaf 100644
--- a/module/mr/config.php
+++ b/module/mr/config.php
@@ -1,19 +1,22 @@
 <?php
-$config->MR                         = new stdclass();
-$config->MR->create                 = new stdclass();
-$config->MR->create->requiredFields = 'gitlabID,sourceProject,sourceBranch,targetProject,targetBranch,title';
-$config->MR->create->skippedFields  = 'projectID';
+$config->mr = new stdclass();
+$config->mr->create->skippedFields  = 'projectID';
 
-$config->MR->maps = new stdclass;
-$config->MR->maps->sync = array();
-$config->MR->maps->sync['title']         = 'title|field|';
-$config->MR->maps->sync['description']   = 'description|field|';
-$config->MR->maps->sync['assignee']      = 'assignees|userPairs|id';
-$config->MR->maps->sync['reviewer']      = 'reviewers|userPairs|id';
-$config->MR->maps->sync['targetBranch']  = 'target_branch|field|';
-$config->MR->maps->sync['sourceBranch']  = 'source_branch|field|';
-$config->MR->maps->sync['sourceProject'] = 'source_project_id|field|';
-$config->MR->maps->sync['targetProject'] = 'target_project_id|field|';
-$config->MR->maps->sync['status']        = 'state|field|';
-$config->MR->maps->sync['mergeStatus']   = 'merge_status|field|';
+$config->mr->create = new stdclass();
+$config->mr->create->requiredFields = 'gitlabID,sourceProject,sourceBranch,targetProject,targetBranch,title';
 
+$config->mr->edit = new stdclass;
+$config->mr->edit->requiredFields = 'gitlabID,sourceProject,sourceBranch,targetProject,targetBranch,title';
+
+$config->mr->maps = new stdclass;
+$config->mr->maps->sync = array();
+$config->mr->maps->sync['title']         = 'title|field|';
+$config->mr->maps->sync['description']   = 'description|field|';
+$config->mr->maps->sync['assignee']      = 'assignees|userPairs|id';
+$config->mr->maps->sync['reviewer']      = 'reviewers|userPairs|id';
+$config->mr->maps->sync['targetBranch']  = 'target_branch|field|';
+$config->mr->maps->sync['sourceBranch']  = 'source_branch|field|';
+$config->mr->maps->sync['sourceProject'] = 'source_project_id|field|';
+$config->mr->maps->sync['targetProject'] = 'target_project_id|field|';
+$config->mr->maps->sync['status']        = 'state|field|';
+$config->mr->maps->sync['mergeStatus']   = 'merge_status|field|';
diff --git a/module/mr/control.php b/module/mr/control.php
index 8798eabf5d..9668c7ce32 100644
--- a/module/mr/control.php
+++ b/module/mr/control.php
@@ -74,7 +74,8 @@ class mr extends control
         /* Fetch user list both in Zentao and current GitLab project. */
         $bindedUsers     = $this->gitlab->getUserIdRealnamePairs($MR->gitlabID);
         $rawProjectUsers = $this->gitlab->apiGetProjectUsers($MR->gitlabID, $MR->targetProject);
-        $users           = array();
+
+        $users = array();
         foreach($rawProjectUsers as $rawProjectUser)
         {
             if(!empty($bindedUsers[$rawProjectUser->id])) $users[$rawProjectUser->id] = $bindedUsers[$rawProjectUser->id];
diff --git a/module/mr/lang/en.php b/module/mr/lang/en.php
index 61e7e883d2..d2b1e12aaa 100644
--- a/module/mr/lang/en.php
+++ b/module/mr/lang/en.php
@@ -13,7 +13,7 @@ $lang->mr->viewInGitlab = 'view in GitLab';
 
 $lang->mr->id          = 'ID';
 $lang->mr->mriid       = "raw MR ID";
-$lang->mr->name        = 'Name';
+$lang->mr->title        = 'Name';
 $lang->mr->status      = 'Status';
 $lang->mr->author      = 'Author';
 $lang->mr->assignee    = 'Assignee';
diff --git a/module/mr/lang/zh-cn.php b/module/mr/lang/zh-cn.php
index 1f88c3e478..f88043106d 100644
--- a/module/mr/lang/zh-cn.php
+++ b/module/mr/lang/zh-cn.php
@@ -13,7 +13,7 @@ $lang->mr->viewInGitlab = '在GitLab查看';
 
 $lang->mr->id          = 'ID';
 $lang->mr->mriid       = "MR原始ID";
-$lang->mr->name        = '名称';
+$lang->mr->title       = '名称';
 $lang->mr->status      = '状态';
 $lang->mr->author      = '创建人';
 $lang->mr->assignee    = '指派给';
diff --git a/module/mr/model.php b/module/mr/model.php
index fd4f449500..4901bd1a8d 100644
--- a/module/mr/model.php
+++ b/module/mr/model.php
@@ -84,8 +84,8 @@ class mrModel extends model
             ->add('createdDate', helper::now())
             ->get();
 
-        $this->dao->insert(TABLE_MR)->data($MR, $this->config->MR->create->skippedFields)
-            ->batchCheck($this->config->MR->create->requiredFields, 'notempty')
+        $this->dao->insert(TABLE_MR)->data($MR, $this->config->mr->create->skippedFields)
+            ->batchCheck($this->config->mr->create->requiredFields, 'notempty')
             ->autoCheck()
             ->exec();
         if(dao::isError()) return array('result' => 'fail', 'message' => dao::getError());
@@ -173,6 +173,7 @@ class mrModel extends model
         /* Update MR in Zentao database. */
         $this->dao->update(TABLE_MR)->data($MR)
             ->where('id')->eq($MRID)
+            ->batchCheck($this->config->mr->edit->requiredFields, 'notempty')
             ->autoCheck()
             ->exec();
         $MR = $this->getByID($MRID);
@@ -194,7 +195,7 @@ class mrModel extends model
         /* Sync MR in ZenTao database whatever status of MR in GitLab. */
         if(isset($rawMR->iid))
         {
-            $map         = $this->config->MR->maps->sync;
+            $map         = $this->config->mr->maps->sync;
             $gitlabUsers = $this->gitlab->getUserIdAccountPairs($MR->gitlabID);
 
             $newMR = new stdclass;
@@ -238,12 +239,13 @@ class mrModel extends model
         {
             if($MR->status != 'opened') continue;
             $rawMR = $this->apiGetSingleMR($MR->gitlabID, $MR->targetProject, $MR->mriid);
+
             if(isset($rawMR->iid))
             {
                 /* create gitlab mr todo to zentao todo */
                 $this->batchSyncTodo($MR->gitlabID, $MR->targetProject);
 
-                $map         = $this->config->MR->maps->sync;
+                $map         = $this->config->mr->maps->sync;
                 $gitlabUsers = $this->gitlab->getUserIdAccountPairs($MR->gitlabID);
 
                 $newMR = new stdclass;
@@ -266,6 +268,9 @@ class mrModel extends model
 
                     if($value) $newMR->$syncField = $value;
                 }
+
+                if(empty((array)$newMR)) continue;
+
                 /* Update MR in Zentao database. */
                 $this->dao->update(TABLE_MR)->data($newMR)
                     ->where('id')->eq($MR->id)
diff --git a/module/mr/view/browse.html.php b/module/mr/view/browse.html.php
index 45cc7ecb4c..d6dc697129 100644
--- a/module/mr/view/browse.html.php
+++ b/module/mr/view/browse.html.php
@@ -31,7 +31,7 @@
         <tr>
           <?php $vars = "objectID=$objectID&orderBy=%s&recTotal={$pager->recTotal}&recPerPage={$pager->recPerPage}&pageID={$pager->pageID}"; ?>
           <th class='w-60px  text-left'><?php common::printOrderLink('id', $orderBy, $vars, $lang->mr->id); ?></th>
-          <th class='text-left'><?php common::printOrderLink('title', $orderBy, $vars, $lang->mr->name); ?></th>
+          <th class='text-left'><?php common::printOrderLink('title', $orderBy, $vars, $lang->mr->title); ?></th>
           <th class='text-left'><?php common::printOrderLink('sourceProject', $orderBy, $vars, $lang->mr->sourceProject); ?></th>
           <th class='w-100px text-left'><?php common::printOrderLink('sourceBranch', $orderBy, $vars, $lang->mr->sourceBranch); ?></th>
           <th class='text-left'><?php common::printOrderLink('targetProject', $orderBy, $vars, $lang->mr->targetProject); ?></th>
diff --git a/module/mr/view/create.html.php b/module/mr/view/create.html.php
index 53489e179a..bb6aeeee6d 100644
--- a/module/mr/view/create.html.php
+++ b/module/mr/view/create.html.php
@@ -42,7 +42,7 @@
              </td>
           </tr>
           <tr>
-            <th><?php echo $lang->mr->name;?></th>
+            <th><?php echo $lang->mr->title;?></th>
             <td class='required'><?php echo html::input('title', '', "class='form-control'"); ?></td>
           </tr>
           <tr>
diff --git a/module/mr/view/edit.html.php b/module/mr/view/edit.html.php
index 48541919ed..ac88df6f78 100644
--- a/module/mr/view/edit.html.php
+++ b/module/mr/view/edit.html.php
@@ -44,7 +44,7 @@
              </td>
           </tr>
           <tr>
-            <th><?php echo $lang->mr->name;?></th>
+            <th><?php echo $lang->mr->title;?></th>
             <td class='required'><?php echo html::input('title', $MR->title, "class='form-control'"); ?></td>
           </tr>
           <tr>