refactor(shop): 更新 API调用和页面逻辑

- 修改了多个文件中的 API调用路径
- 优化了部分组件的显示逻辑
- 添加了优惠券相关功能
-调整了环境变量配置

src/pages/cart/cart.tsx

@@ -1,5 +1,5 @@
 import {useEffect, useState} from "react";
-import Taro, {useShareAppMessage, useShareTimeline} from '@tarojs/taro';
+import Taro, {useShareAppMessage, useShareTimeline, useDidShow} from '@tarojs/taro';
 import {
   NavBar,
   Checkbox,
@@ -25,7 +25,8 @@ function Cart() {
     cartCount,
     updateQuantity,
     removeFromCart,
-    clearCart
+    clearCart,
+    loadCartFromStorage
   } = useCart();
 
   // InputNumber 主题配置
@@ -56,6 +57,11 @@ function Cart() {
     };
   });
 
+  // 页面显示时刷新购物车数据
+  useDidShow(() => {
+    loadCartFromStorage();
+  });
+
   useEffect(() => {
     Taro.getSystemInfo({
       success: (res) => {