fix: 将 navigateTo 替换为 redirectTo 以避免页面堆栈问题

 <!--
  * @Date: 2022-09-19 14:11:06
  * @LastEditors: hookehuyr hookehuyr@gmail.com
- * @LastEditTime: 2025-09-12 12:32:54
+ * @LastEditTime: 2025-09-13 09:55:16
  * @FilePath: /lls_program/src/pages/ActivitiesCover/index.vue
  * @Description: 活动海报页面 - 展示活动信息并处理定位授权
 -->
@@ -343,7 +343,7 @@ const checkFamilyStatusAndJoinActivity = async () => {
       confirmText: '前往加入',
       success: (res) => {
         if (res.confirm) {
-          Taro.navigateTo({
+          Taro.redirectTo({
             url: '/pages/Welcome/index',
           });
         }

@@ -345,7 +345,7 @@ const refreshDashboardData = async () => {
       // 如果用户没有加入家庭，跳转到欢迎页面
       if (!hasFamily) {
         console.warn('用户未加入家庭，跳转到欢迎页面');
-        await Taro.navigateTo({
+        await Taro.redirectTo({
           url: '/pages/Welcome/index'
         })
         return