fix: 添加弱网超时处理并跳转弱网页面

在初始化二维码列表时添加5秒超时判定，超时后跳转至弱网页面

 <!--
  * @Date: 2024-01-16 10:06:47
  * @LastEditors: hookehuyr hookehuyr@gmail.com
- * @LastEditTime: 2026-01-07 20:54:13
+ * @LastEditTime: 2026-01-07 21:25:49
  * @FilePath: /xyxBooking-weapp/src/components/qrCode.vue
  * @Description: 预约码卡组件
 -->
@@ -169,7 +169,12 @@ const formatGroup = (data) => {
 const init = async () => {
   if (!props.type) {
     try {
-        const { code, data } = await qrcodeListAPI();
+        // TAG: 设置 5s 超时判定为弱网
+        const timeoutPromise = new Promise((_, reject) => {
+            setTimeout(() => reject(new Error('TIMEOUT')), 5000);
+        });
+
+        const { code, data } = await Promise.race([qrcodeListAPI(), timeoutPromise]);
 
         if (code) {
           data.forEach(item => {
@@ -193,6 +198,10 @@ const init = async () => {
         }
     } catch (err) {
         console.error('Fetch QR List Failed:', err);
+        // 如果是超时，跳转弱网页面
+        if (err.message === 'TIMEOUT') {
+            go('/pages/weakNetwork/index');
+        }
     }
   } else {
     if (props.payId) {