继续完善购物逻辑闭环，consumer模块完成度80%

pages/mall/consumer/payment-success.uvue

@@ -36,7 +36,26 @@ onMounted(() => {
   if (options.orderId) {
     orderId.value = options.orderId
     orderNo.value = options.orderId // 使用订单ID作为订单号
-    amount.value = parseFloat(options.amount || 0)
+    
+    // 优先使用传递的 amount
+    if (options.amount) {
+        amount.value = parseFloat(options.amount)
+    } else {
+        // 如果没有传 amount，尝试从本地存储查找订单
+        try {
+            const ordersStr = uni.getStorageSync('orders')
+            if (ordersStr) {
+                const orders = JSON.parse(ordersStr as string) as any[]
+                const order = orders.find((o: any) => o.id === orderId.value)
+                if (order) {
+                    amount.value = order.actual_amount || order.total_amount || 0
+                }
+            }
+        } catch (e) {
+            console.error('读取本地订单失败', e)
+        }
+    }
+    
     // loadOrderInfo() // 暂时注释掉数据库查询
   }
 })
@@ -59,10 +78,8 @@ onMounted(() => {
 // }
 
 const viewOrder = () => {
-  // 跳转到订单列表或订单详情
-  // 这里跳转到订单列表页，并选中对应tab（如果有）
-  uni.redirectTo({
-    url: '/pages/mall/consumer/orders?status=shipping'
+  uni.navigateTo({
+    url: '/pages/mall/consumer/orders'
   })
 }