diff --git a/app/Http/Controllers/WechatPayController.php b/app/Http/Controllers/WechatPayController.php
index caeb083..d69b451 100644
--- a/app/Http/Controllers/WechatPayController.php
+++ b/app/Http/Controllers/WechatPayController.php
@@ -15,11 +15,11 @@ class WechatPayController extends Controller
     function mchTransfer(Request $request)
     {
         $rules = [
-            "trade_no" => "required,string",
+            "trade_no" => "required|string",
             "scene_id" => "string",
-            "openid" => "required,string",
-            "amount" => "required,integer",
-            "remark" => "required,string"
+            "openid" => "required|string",
+            "amount" => "required|integer",
+            "remark" => "required|string"
         ];
         $input = $request->all();
         $validator = Validator::make($input, $rules, $messages = [