diff --git a/pages/shop/pay.vue b/pages/shop/pay.vue
index 5b22bed..ae0f6af 100644
--- a/pages/shop/pay.vue
+++ b/pages/shop/pay.vue
@@ -10,9 +10,12 @@
 		<view class="flex column msb bodyBox">
 			<view>
 				<view class="priceBox fb flex mc">¥{{fullPrice | formatPrice}}</view>
-				<view class="fcb fz24 flex mc">
+				<view class="fcb fz24 flex mc" v-if="countdown !== ''">
 					<span class="m-r-24">支付剩余时间</span>
-					<span v-if="order_time!==0">{{ countdown }}</span>
+					<span>{{ countdown }}</span>
+				</view>
+				<view class="fcb fz24 flex mc" v-else>
+					<span>订单加载中···</span>
 				</view>
 				<view class="flex msb mac rad8 bg-w m-l-24 m-r-24 m-t-24 p-24">
 					<view class="flex mac">
@@ -42,7 +45,7 @@
 			return {
 				order_sn: '', //订单号
 				fullPrice: 0, //总价格 包括附加费用
-				order_time: 0, //订单创建时间
+				order_time: -1, //订单创建时间
 				countdown: '', // 用于显示倒计时
 				timer: null, // 存储计时器
 			}
@@ -51,51 +54,58 @@
 			this.$store.dispatch('fetchOrderList')
 			this.order_sn = options.order_sn // 从提交订单页面传递过来的订单号
 			this.fullPrice = Number(options.fullPrice) // 从提交订单页面传递过来的订单号
-			//倒计时
-			this.timer = setInterval(() => {
-				if (this.order_time && this.order_time > 0) {
-					let tempTime = this.order_time + 100 - Math.floor(Date.now() / 1000)
-					if (tempTime <= 0) {
-						this.countdown = '00:00'
-						clearInterval(this.timer) // 清除定时器
-						// 倒计时结束后跳转到首页
-						uni.navigateTo({
-							url: '/pages/index/index' // 非 Tab 页的路径
-						})
-					} else {
-						this.countdown = this.formatSeconds(tempTime)
-					}
-				} else {
-					this.countdown = '00:00'
-					clearInterval(this.timer) // 清除定时器
-					// 如果没有有效的 order_time，也跳转到首页
-					uni.switchTab({
-						url: '/pages/index/index' // 首页的路径
-					})
-				}
-			}, 1000)
+			if (this.orderShow) {
+				this.order_time = Number(this.orderShow.order_time)
+			}
 		},
 		computed: {
-			//订单详情
+			// 订单详情
 			orderShow() {
 				if (this.$store.state.orderList && this.$store.state.orderList.length > 0) {
-					// 使用 find 查找匹配的订单，若没有找到返回 null
-					return this.$store.state.orderList.find((item) => item.order_sn === this.order_sn) || null;
+					// 使用 find 查找匹配的订单
+					return this.$store.state.orderList.find(item => item.order_sn === this.order_sn) || null
 				}
-				return null; // 如果 orderList 为空或未定义，返回 null
-			},
+				return null // 如果 orderList 为空或未定义，返回 null
+			}
 		},
 		filters: {
 			formatPrice, //格式化价格
 		},
 		watch: {
-			'orderShow': {
-				handler(newVal, oldVal) {
-					if (newVal) {
-						this.order_time = Number(newVal.order_time)
+			orderShow: {
+				handler(val) {
+					// 先判断数据有效性
+					if (val && val.order_time) {
+						this.order_time = Number(val.order_time)
+					} else {
+						this.order_time = -1 // 重置为无效值
 					}
 				},
-				deep: true
+				deep: true,
+				immediate: true,
+			},
+			order_time: {
+				handler(val) {
+					if (this.timer) {
+						clearInterval(this.timer) // 清除已有定时器
+					}
+					// 如果 order_time 无效，则不启动倒计时
+					if (!val || val < 0) return
+					this.timer = setInterval(() => {
+						const tempTime = this.order_time + 900 - Math.floor(Date.now() / 1000)
+						if (tempTime <= 0) {
+							this.countdown = '00:00'
+							clearInterval(this.timer) // 清除定时器
+							// 倒计时结束后跳转到首页
+							uni.navigateTo({
+								url: '/pages/index/index', // 非 Tab 页的路径
+							})
+						} else {
+							this.countdown = this.formatSeconds(tempTime)
+						}
+					}, 1000)
+				},
+				immediate: true, // 确保初次赋值时立即触发
 			}
 		},
 		methods: {
@@ -113,12 +123,12 @@
 				}).then((res) => {
 					if (res.data.status === 1) {
 						// 调用微信支付接口
-						this.requestPayment(res.data.payMsg);
+						this.requestPayment(res.data.payMsg)
 					} else {
 						uni.showToast({
 							title: '支付失败',
 							icon: 'error'
-						});
+						})
 						console.error(res.data.msg)
 					}
 				})
@@ -143,10 +153,10 @@
 						uni.showToast({
 							title: '支付失败',
 							icon: 'error'
-						});
+						})
 						console.error(err)
 					}
-				});
+				})
 			},