diff --git a/module/mr/control.php b/module/mr/control.php
index 3b42488dec..b4a9fcbb3b 100644
--- a/module/mr/control.php
+++ b/module/mr/control.php
@@ -54,7 +54,7 @@ class mr extends control
     {
         if($_POST)
         {
-            $result = $this->mr->edit($MRID);
+            $result = $this->mr->update($MRID);
             return $result;
         }
 
@@ -67,9 +67,9 @@ class mr extends control
     }
 
     /**
-     * Delete a mr.
+     * Delete a MR.
      *
-     * @param  int    $MR
+     * @param  int    $id
      * @access public
      * @return void
      */
@@ -77,11 +77,12 @@ class mr extends control
     {
         if($confim != 'yes') die(js::confirm($this->lang->gitlab->confirmDelete, inlink('delete', "id=$id&confirm=yes")));
 
-        $MRList = $this->mr->getByID($id);
+        $MR = $this->mr->getByID($id);
 
-        $this->mr->apiDeleteMR($MRList->gitlabID, $MRList->projectID, $MRList->mrID);
-        $this->mr->deleteMR($id);
-        die(js::reload('parent'));
+        $this->dao->delete()->from(TABLE_MR)->where('id')->eq($id)->exec();
+        $this->mr->apiDeleteMR($MR->gitlabID, $MR->sourceProject, $MR->mriid);
+
+        die(js::locate(inlink('browse'), 'parent'));
     }
 
     /**
@@ -93,7 +94,7 @@ class mr extends control
     public function view($id)
     {
         $MR = $this->mr->getByID($id);
-        if(isset($MR->gitlabID)) $rawMR = $this->mr->apiGetSingleMR($MR->gitlabID, $MR->projectID, $MR->mrID);
+        if(isset($MR->gitlabID)) $rawMR = $this->mr->apiGetSingleMR($MR->gitlabID, $MR->targetProject, $MR->mriid);
 
         $this->view->title = $this->lang->mr->view;
         $this->view->MR    = $MR;
diff --git a/module/mr/model.php b/module/mr/model.php
index 4e6462db67..d7b1c3ba73 100644
--- a/module/mr/model.php
+++ b/module/mr/model.php
@@ -53,6 +53,8 @@ class mrModel extends model
             ->page($pager)
             ->fetchAll('id');
 
+        foreach($MRList as $MR) $this->apiSyncMR($MR);
+
         return $MRList;
     }
 
@@ -67,7 +69,7 @@ class mrModel extends model
     {
         if(!isset($MR->gitlabID)) return $MR;
 
-        $rawMR = $this->apiGetSingleMR($MR->gitlabID, $MR->projectID, $MR->mrID);
+        $rawMR = $this->apiGetSingleMR($MR->gitlabID, $MR->targetProject, $MR->mriid);
 
         $MR->name          = $rawMR->title;
         $MR->sourceProject = $rawMR->source_project_id;
@@ -205,6 +207,29 @@ class mrModel extends model
         return array('result' => 'success', 'message' => $this->lang->saveSuccess, 'locate' => helper::createLink('mr', 'browse'));
    }
 
+    /**
+     * sync MR from GitLab API to Zentao database.
+     *
+     * @param  object  $MR
+     * @access public
+     * @return void
+     */
+    public function apiSyncMR($MR)
+    {
+        $rawMR = $this->apiGetSingleMR($MR->gitlabID, $MR->targetProject, $MR->mriid);
+        if(isset($rawMR->iid))
+        {
+            $newMR = new stdclass;
+            $newMR->status      = $rawMR->state;
+            $newMR->mergeStatus = $rawMR->merge_status;
+
+            /* Update MR in Zentao database. */
+            $this->dao->update(TABLE_MR)->data($newMR)
+                ->where('id')->eq($MR->id)
+                ->exec();
+        }
+    }
+
     /**
      * Create MR by API.
      *
@@ -241,7 +266,7 @@ class mrModel extends model
      *
      * @docs   https://docs.gitlab.com/ee/api/merge_requests.html#get-single-mr
      * @param  int    $gitlabID
-     * @param  int    $projectID
+     * @param  int    $projectID  targetProject
      * @param  int    $MRID
      * @access public
      * @return object