diff --git a/src/main/resources/alipay-sandbox.properties b/src/main/resources/alipay-sandbox.properties
index 70b7350b..45a528e0 100644
--- a/src/main/resources/alipay-sandbox.properties
+++ b/src/main/resources/alipay-sandbox.properties
@@ -31,7 +31,7 @@ alipay.return-url=http://localhost:8080/#/success
 # 注意：每次重新启动ngrok，都需要根据实际情况修改这个配置
 #alipay.notify-url=https://77ea-221-239-177-21.ngrok.io/api/ali-pay/trade/notify
 #alipay.notify-url=https://03a3-117-143-125-44.ngrok-free.app/api/ali-pay/trade/notify
-alipay.notify-url=https://8970-18-167-251-121.ngrok-free.app/api/ali-pay/trade/notify
+alipay.notify-url=https://3b38-18-167-251-121.ngrok-free.app/api/ali-pay/trade/notify