个人中心接口设计

@@ -340,7 +340,7 @@ class UserController extends RestBaseController
         $param=$this->request->param();
         $param['update_time']=time();
         $param['status']=1;
-        $param['thumbnail']=json_encode($param['thumbnail']);
+        $param['thumbnail']=json_encode(explode(',',$param['thumbnail']));
         Db::name('post')->where('user_id',$userId)->update($param);
         $this->success('操作成功');
     }