refactor(ShareButton): 修改分享按钮文本为"分享给朋友"

 <!--
  * @Date: 2025-09-03 14:34:58
  * @LastEditors: hookehuyr hookehuyr@gmail.com
- * @LastEditTime: 2025-09-22 15:07:54
+ * @LastEditTime: 2025-09-26 10:50:10
  * @FilePath: /lls_program/src/components/ShareButton/index.vue
  * @Description: 分享按钮组件 - 点击后弹出分享选项
 -->
@@ -9,7 +9,7 @@
   <view class="share-button-container">
     <!-- 分享活动按钮 -->
     <button id="share" data-name="shareBtn" open-type="share" class="share-button share-activity-btn">
-      分享页面
+      分享给朋友
     </button>
 
     <!-- 分享海报按钮 -->