更新

app/Admin/Controllers/DynamicController.php

@@ -25,6 +25,7 @@ class DynamicController extends AdminController
         $grid->column('id')->sortable();
         $grid->column('user_info.avatar','头像')->image("",50);;
         $grid->column('user_id','用户')->display(function (){
+            var_dump($this->user_info->mobile);
             if(isset($this->user_info->nickname)){
                 return $this->user->mobile.'<br>'.$this->user_info->nickname;
             }else{
@@ -33,6 +34,7 @@ class DynamicController extends AdminController
 
         });
         $grid->column('img_url','图片内容')->display(function ($v){
+
             if(isset($v)){
                 $v = json_decode($v,true);
                 $str = '';