diff --git a/app/Services/WeChatPayService.php b/app/Services/WeChatPayService.php
index 865d1d75..a3ad2ed3 100644
--- a/app/Services/WeChatPayService.php
+++ b/app/Services/WeChatPayService.php
@@ -55,7 +55,7 @@ class WeChatPayService
      */
     public function pay(array $params)
     {
-        if (isset($params['notify_url'])) {
+        if (! isset($params['notify_url'])) {
             $params['notify_url'] = url(route('wxpay.paid_notify', [], false), [], true);
         }
 
diff --git a/config/wechat.php b/config/wechat.php
index d3303768..ea02f988 100644
--- a/config/wechat.php
+++ b/config/wechat.php
@@ -10,6 +10,18 @@ return [
             'cert_path' => env('WECHAT_PAYMENT_CERT_PATH'), // 绝对地址
             'key_path' => env('WECHAT_PAYMENT_KEY_PATH'),   // 绝对地址
             'notify_url' => env('WECHAT_PAYMENT_NOTIFY_URL'),
+
+            // 日志
+            'log' => [
+                'default' => 'daily',
+                'channels' => [
+                    'daily' => [
+                        'driver' => 'daily',
+                        'path' => storage_path('logs/wxpay.log'),
+                        'level' => 'info',
+                    ],
+                ],
+            ],
         ],
     ],
 ];