diff --git a/module/mr/control.php b/module/mr/control.php
index f6f241039c..d2a46cb692 100644
--- a/module/mr/control.php
+++ b/module/mr/control.php
@@ -53,6 +53,9 @@ class mr extends control
         /* Load lang from compile module */
         $this->app->loadLang('compile');
 
+        $openIDList = array();
+        if(!$this->app->user->admin) $openIDList = $this->loadModel('gitlab')->getGitLabListByAccount($this->app->user->account);
+
         $this->view->title      = $this->lang->mr->common . $this->lang->colon . $this->lang->mr->browse;
         $this->view->MRList     = $MRList;
         $this->view->projects   = $projects;
@@ -61,6 +64,7 @@ class mr extends control
         $this->view->param      = $param;
         $this->view->objectID   = $objectID;
         $this->view->orderBy    = $orderBy;
+        $this->view->openIDList = $openIDList;
         $this->display();
     }
 
@@ -190,8 +194,12 @@ class mr extends control
 
         $MR = $this->mr->getByID($id);
 
+        if($MR->synced)
+        {
+           $res = $this->mr->apiDeleteMR($MR->gitlabID, $MR->targetProject, $MR->mriid);
+           if(isset($res->message)) return print(js::alert($this->mr->convertApiError($res->message)));
+        }
         $this->dao->delete()->from(TABLE_MR)->where('id')->eq($id)->exec();
-        $this->mr->apiDeleteMR($MR->gitlabID, $MR->targetProject, $MR->mriid);
 
         die(js::locate(inlink('browse'), 'parent'));
     }
diff --git a/module/mr/lang/en.php b/module/mr/lang/en.php
index 019404c9d9..f44836ed19 100644
--- a/module/mr/lang/en.php
+++ b/module/mr/lang/en.php
@@ -113,10 +113,12 @@ $lang->mr->closeSuccess        = "Merge request closed.";
 $lang->mr->apiErrorMap[1] = "You can't use same project/branch for source and target";
 $lang->mr->apiErrorMap[2] = "/Another open merge request already exists for this source branch: !([0-9]+)/";
 $lang->mr->apiErrorMap[3] = "401 Unauthorized";
+$lang->mr->apiErrorMap[4] = "403 Forbidden";
 
 $lang->mr->errorLang[1] = 'The source project branch cannot be the same as the target project branch';
 $lang->mr->errorLang[2] = 'Another open merge request already exists for this source branch: ID%u';
 $lang->mr->errorLang[3] = "Unauthorized";
+$lang->mr->errorLang[4] = 'Permission denied';
 
 $lang->mr->from = "from";
 $lang->mr->to   = "to";
diff --git a/module/mr/lang/zh-cn.php b/module/mr/lang/zh-cn.php
index 6fbf794af6..d988067e1f 100644
--- a/module/mr/lang/zh-cn.php
+++ b/module/mr/lang/zh-cn.php
@@ -113,10 +113,12 @@ $lang->mr->closeSuccess        = "已关闭合并请求。";
 $lang->mr->apiErrorMap[1] = "You can't use same project/branch for source and target";
 $lang->mr->apiErrorMap[2] = "/Another open merge request already exists for this source branch: !([0-9]+)/";
 $lang->mr->apiErrorMap[3] = "401 Unauthorized";
+$lang->mr->apiErrorMap[4] = "403 Forbidden";
 
 $lang->mr->errorLang[1] = '源项目分支与目标项目分支不能相同';
 $lang->mr->errorLang[2] = '存在另外一个同样的合并请求在源项目分支中: ID%u';
 $lang->mr->errorLang[3] = '权限不足';
+$lang->mr->errorLang[4] = '权限不足';
 
 $lang->mr->from = "从";
 $lang->mr->to   = "合并到";
diff --git a/module/mr/view/browse.html.php b/module/mr/view/browse.html.php
index d017f89fa3..df87fe62b0 100644
--- a/module/mr/view/browse.html.php
+++ b/module/mr/view/browse.html.php
@@ -82,11 +82,12 @@
           <?php endif;?>
           <td class='c-actions'>
             <?php
+            $canDelete = ($app->user->admin or $projects[$MR->gitlabID][$MR->sourceProject]->owner->id === $openIDList[$MR->gitlabID]) ? '' : 'disabled';
             common::printLink('mr', 'view',   "mr={$MR->id}", '<i class="icon icon-eye"></i>', '', "title='{$lang->mr->view}' class='btn btn-info'");
             common::printIcon('mr', 'edit',   "mr={$MR->id}", $MR, 'list');
             common::printLink('mr', 'diff',   "mr={$MR->id}", '<i class="icon icon-diff"></i>', '', "title='{$lang->mr->viewDiff}' class='btn btn-info'");
             common::printLink('mr', 'link',   "mr={$MR->id}", '<i class="icon icon-link"></i>', '', "title='{$lang->mr->link}' class='btn btn-info'" . ($MR->linkButton == false ? 'disabled' : ''));
-            common::printLink('mr', 'delete', "mr={$MR->id}", '<i class="icon icon-trash"></i>', 'hiddenwin', "title='{$lang->mr->delete}' class='btn btn-info'");
+            common::printLink('mr', 'delete', "mr={$MR->id}", '<i class="icon icon-trash"></i>', 'hiddenwin', "title='{$lang->mr->delete}' class='btn btn-info {$canDelete}'");
             ?>
           </td>
         </tr>