diff --git a/daxpay-channel/daxpay-channel-alipay/src/main/java/cn/daxpay/open/channel/alipay/service/payment/pay/AlipayPayService.java b/daxpay-channel/daxpay-channel-alipay/src/main/java/cn/daxpay/open/channel/alipay/service/payment/pay/AlipayPayService.java
index 4bdde4b7b..ab7c34ecb 100644
--- a/daxpay-channel/daxpay-channel-alipay/src/main/java/cn/daxpay/open/channel/alipay/service/payment/pay/AlipayPayService.java
+++ b/daxpay-channel/daxpay-channel-alipay/src/main/java/cn/daxpay/open/channel/alipay/service/payment/pay/AlipayPayService.java
@@ -54,8 +54,8 @@ public class AlipayPayService {
         req.setOpenId(payParam.getOpenId());
         // 通道通知地址: 始终使用平台生成的回调地址(支付宝→平台), 不使用 payParam.notifyUrl(语义为平台→商户)
         req.setNotifyUrl(this.buildNotifyUrl(order));
-        // 关单时间透传, 子应用据此向支付宝设置 time_expire
-        req.setExpireTime(payParam.getExpiredTime());
+        // 关单时间取自订单(createOrder 已对 null 兜底默认30分钟), 子应用据此向支付宝设置 time_expire
+        req.setExpireTime(order.getExpiredTime());
         req.setCredential(credential);
 
         // 调用子应用
diff --git a/daxpay-channel/daxpay-channel-wechat/src/main/java/cn/daxpay/open/channel/wechat/service/payment/isv/WechatIsvPayService.java b/daxpay-channel/daxpay-channel-wechat/src/main/java/cn/daxpay/open/channel/wechat/service/payment/isv/WechatIsvPayService.java
index 3c214a4b7..792b2faa4 100644
--- a/daxpay-channel/daxpay-channel-wechat/src/main/java/cn/daxpay/open/channel/wechat/service/payment/isv/WechatIsvPayService.java
+++ b/daxpay-channel/daxpay-channel-wechat/src/main/java/cn/daxpay/open/channel/wechat/service/payment/isv/WechatIsvPayService.java
@@ -55,7 +55,8 @@ public class WechatIsvPayService {
         req.setOpenId(payParam.getOpenId());
         req.setAttach(payParam.getAttach());
         req.setNotifyUrl(this.buildNotifyUrl(order));
-        req.setExpireTime(payParam.getExpiredTime());
+        // 关单时间取自订单(createOrder 已对 null 兜底默认30分钟), 不用 payParam 原始入参
+        req.setExpireTime(order.getExpiredTime());
         if (req.getMethod() == WechatPayMethod.H5) {
             req.setWapUrl(payParam.getReturnUrl());
             req.setWapName(payParam.getTitle());
diff --git a/daxpay-channel/daxpay-channel-wechat/src/main/java/cn/daxpay/open/channel/wechat/service/payment/pay/WechatPayService.java b/daxpay-channel/daxpay-channel-wechat/src/main/java/cn/daxpay/open/channel/wechat/service/payment/pay/WechatPayService.java
index 326c01ad3..528ca59e5 100644
--- a/daxpay-channel/daxpay-channel-wechat/src/main/java/cn/daxpay/open/channel/wechat/service/payment/pay/WechatPayService.java
+++ b/daxpay-channel/daxpay-channel-wechat/src/main/java/cn/daxpay/open/channel/wechat/service/payment/pay/WechatPayService.java
@@ -55,7 +55,8 @@ public class WechatPayService {
         req.setAttach(payParam.getAttach());
         // 通道通知地址: 始终使用平台生成的回调地址(微信→平台), 不使用 payParam.notifyUrl(语义为平台→商户)
         req.setNotifyUrl(this.buildNotifyUrl(order));
-        req.setExpireTime(payParam.getExpiredTime());
+        // 关单时间取自订单(createOrder 已对 null 兜底默认30分钟), 不用 payParam 原始入参
+        req.setExpireTime(order.getExpiredTime());
         // H5 场景信息(场景参数)
         if (req.getMethod() == WechatPayMethod.H5) {
             req.setWapUrl(payParam.getReturnUrl());