对接数据库，模拟第三方接入信息

pages/mall/delivery/test/merchant-order-detail.uvue

@@ -1,5 +1,10 @@
 <template>
 	<view class="container">
+		<view class="header">
+			<text class="back-link" @click="goBack">⬅ 返回</text>
+			<text class="title">商家订单详情</text>
+		</view>
+
 		<!-- 状态卡片 -->
 		<view class="status-card">
 			<text class="status-title">{{ getStatusText(order.status) }}</text>
@@ -101,16 +106,19 @@
 			this.loadData()
 		},
 		methods: {
-			loadData() {
+			goBack() {
+				uni.navigateBack()
+			},
+			async loadData() {
 				// 获取匹配的订单基本信息
-				const allOrders = mockService.getMockOrders()
+				const allOrders = await mockService.getMockOrders()
 				const found = allOrders.find((o : MockOrder) : boolean => o.order_no === this.orderNo)
 				if (found != null) {
 					this.order = found
 				}
 				
 				// 获取轨迹
-				this.statusHistory = mockService.getMockTracking(this.orderNo)
+				this.statusHistory = await mockService.getMockTracking(this.orderNo)
 			},
 			getStatusText(status: string) : string {
 				const maps = { 
@@ -158,6 +166,19 @@
 		background-color: #f8f8f8;
 		min-height: 100vh;
 	}
+	.header {
+		padding: 20rpx 10rpx;
+		margin-bottom: 20rpx;
+		display: flex;
+		flex-direction: row;
+		align-items: center;
+		gap: 20rpx;
+	}
+	.back-link {
+		font-size: 28rpx;
+		color: #007AFF;
+		cursor: pointer;
+	}
 	.status-card {
 		background: linear-gradient(to right, #007AFF, #00C6FF);
 		padding: 40rpx;