fix: 更新分享功能的标题文案

修改Dashboard和RewardDetail页面的分享标题，使其更符合产品需求

 <!--
  * @Date: 2025-08-27 17:43:45
  * @LastEditors: hookehuyr hookehuyr@gmail.com
- * @LastEditTime: 2025-09-16 22:15:45
+ * @LastEditTime: 2025-09-17 14:28:08
  * @FilePath: /lls_program/src/pages/Dashboard/index.vue
  * @Description: 首页
 -->
@@ -467,7 +467,7 @@ useLoad((options) => {
  */
 const onShareAppMessage = (res) => {
     const shareData = {
-        title: '欢迎加入老来赛',
+        title: '和家人一起走路、一起打卡、一起兑换',
         path: `/pages/Dashboard/index`,
         imageUrl: ''
     };

@@ -257,12 +257,12 @@ useLoad((options) => {
  */
 const onShareAppMessage = (res) => {
     // 确保数据已加载，提供默认值
-    const title = reward.value?.title ? `${reward.value.title}` : '精彩优惠券等你来兑换';
+    // const title = reward.value?.title ? `${reward.value.title}` : '精彩优惠券等你来兑换';
     const shareId = reward.value?.id || couponId.value || '';
     // const imageUrl = reward.value?.banner || '';
 
     const shareData = {
-        title: title,
+        title: '众多抵用优惠券等你健步积分来换',
         path: addShareFlag(`/pages/RewardDetail/index?id=${shareId}`),
         // imageUrl: imageUrl
     };