fix

app/index/controller/Checkout.php

@@ -59,7 +59,7 @@ class Checkout extends Controller
     /**
      * 订单提交
      * @param string $mode
-     * @return Json|\think\response\View
+     * @return Json
      * @throws BaseException
      * @throws \think\db\exception\DataNotFoundException
      * @throws \think\db\exception\DbException