更新

app/Http/Controllers/Api/UserController.php

@@ -247,7 +247,7 @@ class UserController extends Controller
 
             if($user->is_vip>0){
                 $info = UserVipLogModel::query()->where(['user_id'=>$user->id])->first();
-                $res['end_day'] = date("Y-m-d",$info['end_day']);
+                $res['end_day'] = date("Y-m-d",strtotime($info['end_day']));
             }else{
                 $res['end_day'] = "";
             }