diff --git a/packages/myOrders/orderDetails/index.vue b/packages/myOrders/orderDetails/index.vue
index 8e3d5343..1c03ec02 100644
--- a/packages/myOrders/orderDetails/index.vue
+++ b/packages/myOrders/orderDetails/index.vue
@@ -171,31 +171,76 @@ export default {
   },
   onLoad(options) {
     const item = JSON.parse(options?.item);
-    // 启动倒计时
-    item.order_status == "1" ? this.startCountdown() : "";
-    this.status = JSON.stringify(item.order_status);
     this.orderInfo = item;
+    // 启动倒计时
+    // item.order_status == "1" ? this.startCountdown() : "";
+    this.startCountdown()
+    this.status = JSON.stringify(item.order_status);
   },
   methods: {
     startCountdown() {
-      // 倒计时模拟
-      let seconds = 10 * 60; // 10分钟
-      const timer = setInterval(() => {
-        seconds--;
+      // 检查订单信息中是否有时效时间戳
+      if (!this.orderInfo.timeout_time_stamp) {
+        console.error('订单时效时间戳不存在');
+        return;
+      }
+      
+      // 获取当前时间和订单超时时间
+      const now = Math.floor(new Date().getTime() / 1000);
+      const timeoutTime = this.orderInfo.timeout_time_stamp;
+      
+      // 判断当前时间是否已超过超时时间
+      if (now > timeoutTime) {
+        // 已超过超时时间，直接取消订单
+        this.handleOrderCancellation();
+        return;
+      }
+      
+      // 计算剩余时间（秒）
+      let remainingSeconds = timeoutTime - now;
+      // 确保剩余时间不为负数
+      remainingSeconds = Math.max(0, remainingSeconds);
+      
+      // 更新倒计时显示的函数
+      const updateCountdownDisplay = (seconds) => {
         const hours = Math.floor(seconds / 3600);
         const minutes = Math.floor((seconds % 3600) / 60);
         const secs = seconds % 60;
-        this.countdown = `${hours}:${minutes.toString().padStart(2, "0")}:${secs
-          .toString()
-          .padStart(2, "0")}`;
-        if (seconds <= 0) {
+        this.countdown = `${hours}:${minutes.toString().padStart(2, "0")}:${secs.toString().padStart(2, "0")}`;
+      };
+      
+      // 立即更新一次显示
+      updateCountdownDisplay(remainingSeconds);
+      
+      // 设置定时器，每秒更新一次倒计时
+      const timer = setInterval(() => {
+        remainingSeconds--;
+        
+        updateCountdownDisplay(remainingSeconds);
+        
+        // 检查是否已经超时
+        if (remainingSeconds <= 0) {
           clearInterval(timer);
-          // 倒计时结束，处理订单
-          uni.showToast({ title: "订单已取消", icon: "none" });
-          setTimeout(() => uni.navigateBack(), 1500);
+          // 倒计时结束，取消订单
+          this.handleOrderCancellation();
         }
       }, 1000);
     },
+    
+    // 处理订单取消
+    handleOrderCancellation() {
+      const params = {
+        order_id: this.orderInfo.id,
+        method: 1,
+        cancel_reason: '倒计时结束取消',
+      };
+      request(afterSaleApi.cancelOrConfirm, "POST", params).then((res) => {
+        uni.showToast({ title: "订单已取消", icon: "none" });
+        setTimeout(() => {
+          uni.navigateBack();
+        }, 1500);
+      });
+    },
     cancelOrder() {
       uni.showModal({
         title: "提示",
@@ -217,7 +262,7 @@ export default {
         },
       });
     },
-    
+
     // 申请退款
     applyRefund() {
       uni.showModal({
@@ -238,7 +283,7 @@ export default {
         }
       });
     },
-    
+
     // 确认收货
     confirmReceiving() {
       uni.showModal({
@@ -298,7 +343,7 @@ export default {
         update_time: this.orderInfo.update_time,
         user_id: this.orderInfo.user_id
       }));
-      
+
       NavgateTo(`/packages/shop/groupPurchaseSubmit/index?shopCarList=${JSON.stringify(transformedItems)}`)
     },
     checkLogistics() {
@@ -308,7 +353,7 @@ export default {
     orderEvaluate() {
       NavgateTo(`/packages/myOrders/orderEvaluate/index?item=${JSON.stringify(this.orderInfo)}`);
     },
-    
+
     // 售后按钮
     afterSale() {
       NavgateTo(`/packages/myOrders/afterSale/index`);