diff --git a/front/templates/payPage.html b/front/templates/payPage.html
index 2444b23..4907267 100644
--- a/front/templates/payPage.html
+++ b/front/templates/payPage.html
@@ -358,6 +358,7 @@
 
         window.addEventListener('pageshow', function(event) {
             if (event.persisted) { // 如果是从缓存加载（如返回操作）
+                alert('返回操作')
                 fetchPaymentMethods();
             }
         });