fix: 修正奖励页面兑换提示条件和调整打卡页面文案

修正家庭积分页面兑换提示的显示条件，从"isFamilyCreator"改为"!isFamilyCreator"
简化打卡页面空状态提示文案，合并重复信息

@@ -91,9 +91,8 @@
       <view v-if="pageState === 'no-checkin'" class="flex-1 mx-4 mb-2 flex justify-center">
         <view class="bg-white rounded-lg shadow-sm p-8 text-center max-w-sm">
           <view class="text-6xl mb-4">📸</view>
-          <view class="text-lg font-bold text-gray-800 mb-2">打卡信息为空</view>
-          <view class="text-sm text-gray-500 mb-4">您还没有打卡记录，请先参加活动打卡后再来生成海报</view>
-          <view class="text-xs text-orange-500">完成打卡后即可生成专属海报</view>
+          <view class="text-lg font-bold text-gray-800 mb-2">您还没有打卡记录</view>
+          <view class="text-sm text-orange-500 mb-4">完成打卡后即可生成专属海报</view>
         </view>
       </view>
 

 <!--
  * @Date: 2025-08-27 17:47:26
  * @LastEditors: hookehuyr hookehuyr@gmail.com
- * @LastEditTime: 2025-09-19 15:44:38
+ * @LastEditTime: 2025-09-19 18:14:13
  * @FilePath: /lls_program/src/pages/Rewards/index.vue
  * @Description: 文件描述
 -->
@@ -15,7 +15,7 @@
       <view class="pt-8 pb-8 flex flex-col items-center">
         <view class="text-4xl font-bold text-white mb-1">{{ totalPoints }}分</view>
         <view class="text-white text-opacity-80">家庭积分</view>
-        <view v-if="isFamilyCreator" class="text-white text-xs mt-1">请您的大家长进行兑换</view>
+        <view v-if="!isFamilyCreator" class="text-white text-xs mt-1">请您的大家长进行兑换</view>
       </view>
       <!-- Main content -->
       <view class="bg-white rounded-t-3xl px-4 pt-5">