diff --git a/app/controller/Wechat.php b/app/controller/Wechat.php
index b757183..f075d08 100644
--- a/app/controller/Wechat.php
+++ b/app/controller/Wechat.php
@@ -118,12 +118,12 @@ class Wechat
             'order_id' => $order->id,
         ]);
 
-        $config   = Config::get('wechat.payment');
-        $payment  = Factory::payment($config);
-        $unify    = $payment->order->unify([
+        $config  = Config::get('wechat.payment');
+        $payment = Factory::payment($config);
+        $unify   = $payment->order->unify([
             'body'         => '商品订单',
             'out_trade_no' => $outTradeNo,
-            'total_fee'    => 100,
+            'total_fee'    => $order->amount * 100,
             'notify_url'   => $notifyUrl,
             'trade_type'   => 'JSAPI',
             'openid'       => $user->openid,