fix: 将固定家庭总数改为随机四位数

 <!--
  * @Date: 2025-01-09 00:00:00
  * @LastEditors: hookehuyr hookehuyr@gmail.com
- * @LastEditTime: 2025-10-25 20:00:46
+ * @LastEditTime: 2025-10-25 20:13:01
  * @FilePath: /lls_program/src/components/RankingCard.vue
  * @Description: 排行榜卡片组件
 -->
@@ -334,7 +334,8 @@ const loadLeaderboardData = async (isInitialLoad = false) => {
       // 设置当前日期
       currentDate.value = response.data.yesterday
       // TODO: 设置总家庭数
-      currentTotalFamilySum.value = 2318;
+      // 生成随机的4位数
+      currentTotalFamilySum.value = Math.floor(1000 + Math.random() * 9000);
     }
   } catch (error) {
     console.error('获取排行榜数据失败:', error)

@@ -371,7 +371,8 @@ const loadLeaderboardData = async (isInitialLoad = false) => {
       }
       currentDate.value = response.data.yesterday
       // TODO: 设置总家庭数
-      currentTotalFamilySum.value = 2318;
+      // 生成随机的4位数
+      currentTotalFamilySum.value = Math.floor(1000 + Math.random() * 9000);
     }
   } catch (error) {
     console.error('获取排行榜数据失败:', error)