diff --git a/app/Endpoint/Callback/Http/Controllers/YeePayNotifyController.php b/app/Endpoint/Callback/Http/Controllers/YeePayNotifyController.php
index 7275b514..c3ff4115 100644
--- a/app/Endpoint/Callback/Http/Controllers/YeePayNotifyController.php
+++ b/app/Endpoint/Callback/Http/Controllers/YeePayNotifyController.php
@@ -85,6 +85,11 @@ class YeePayNotifyController extends Controller
     {
         $yeePayService = new YeePayService(config('services.yeepay'));
 
+        logger()->debug('yeepay notify sign------>', [
+            'sign' => $request->input('sign'),
+            'sign2' => $yeePayService->sign($request->input()),
+        ]);
+
         if ($request->input('sign') === $yeePayService->sign($request->input())) {
             return;
         }