意见修改

@@ -85,9 +85,8 @@ class UserController extends WeChatBaseController
         $param = $this->request->param();
         if ($param['media']!="") {
             $param['avatar'] = $this->upload_wx_pic_mul($param['media']);
-        }else{
-            $param['avatar']=$user['avatar'];
         }
+        unset($param['media']);
         $data=Db::name('light_order')->where('id',$param['order_id'])->find();
         $re=Db::name('light_order')->where('id',$param['order_id'])->update(['name'=>$param['name'],'content'=>$param['content'],'avatar'=>$param['avatar']]);