diff --git a/app/controller/Wechat.php b/app/controller/Wechat.php
index b2519ea..c58e033 100644
--- a/app/controller/Wechat.php
+++ b/app/controller/Wechat.php
@@ -144,9 +144,10 @@ class Wechat
      */
     public function paid()
     {
-        $this->initWechat();
+        $config  = Config::get('wechat.payment');
+        $payment = Factory::payment($config);
 
-        return $this->app->handlePaidNotify(function ($message, $fail) {
+        return $payment->handlePaidNotify(function ($message, $fail) {
             $order = Payment::where('trade_no', $message['out_trade_no'])->find();
 
             if (! $order || $order->paid_at) {
@@ -163,10 +164,9 @@ class Wechat
                 $zhuLi = env("ZHULI_VALUE") ?? 150;
                 Db::name("student")->inc("hot", $zhuLi)->where("id", $order_detail->id)->update();
                 Db::name("student")->inc("hot_count", 1)->where("id", $order_detail->id)->update();
-
-            } else {
-                $fail('Order not exists.');
+                return true;
             }
+            return $fail('Order not exists.');
         });
     }