更新

app/Admin/Controllers/DynamicController.php

@@ -28,7 +28,7 @@ class DynamicController extends AdminController
             if(isset($this->user_info->nickname)){
                 return $this->user->mobile.'<br>'.$this->user_info->nickname;
             }else{
-                return $this->user->mobile.'<br>'."";
+                return "";
             }
 
         });