diff --git a/rc-service/rc-service-other/other-application/src/main/java/com/red/circle/other/app/command/activity/query/HistoricalTop1QryExe.java b/rc-service/rc-service-other/other-application/src/main/java/com/red/circle/other/app/command/activity/query/HistoricalTop1QryExe.java
index 845c8a16..3997da9e 100644
--- a/rc-service/rc-service-other/other-application/src/main/java/com/red/circle/other/app/command/activity/query/HistoricalTop1QryExe.java
+++ b/rc-service/rc-service-other/other-application/src/main/java/com/red/circle/other/app/command/activity/query/HistoricalTop1QryExe.java
@@ -51,7 +51,7 @@ public class HistoricalTop1QryExe {
 
         // 查询最近10周的Top1
         List<HistoricalWeekTop1CO> historicalList = new ArrayList<>();
-        for (int i = 0; i < 5; i++) {
+        for (int i = 1; i <= 5; i++) {
             // 获取往前推i周的周一cycleKey
             String cycleKey = getWeekMondayCycleKey(i);
 
@@ -75,7 +75,7 @@ public class HistoricalTop1QryExe {
 
                     HistoricalWeekTop1CO weekTop1 = new HistoricalWeekTop1CO();
                     weekTop1.setCycleKey(cycleKey);
-                    weekTop1.setCycleDisplay(generateCycleDisplay(cycleKey));
+                    weekTop1.setCycleDisplay(generateWeekEndDate(cycleKey));
                     weekTop1.setTopUser(rankingList.getRankingList().get(0));
                     historicalList.add(weekTop1);
                 }
@@ -112,24 +112,25 @@ public class HistoricalTop1QryExe {
     }
 
     /**
-     * 生成周期显示文本
-     * 
-     * @param cycleKey 周期标识（yyyyMMdd格式）
-     * @return 周期显示文本（示例：2025年第1周）
+     * 根据任意日期，返回其所在 ISO 周的周日（即该周最后一天）
+     * ISO 周：周一为第一天，周日为最后一天
+     *
+     * @param dateKey 任意日期，格式 yyyyMMdd
+     * @return 该 ISO 周周日的日期，格式 yyyy-MM-dd
      */
-    private String generateCycleDisplay(String cycleKey) {
+    private String generateWeekEndDate(String dateKey) {
         try {
-            LocalDate date = LocalDate.parse(cycleKey, DateTimeFormatter.ofPattern("yyyyMMdd"));
-            int year = date.getYear();
-            
-            // 获取周数（ISO 8601标准）
-            WeekFields weekFields = WeekFields.of(Locale.getDefault());
-            int weekOfYear = date.get(weekFields.weekOfWeekBasedYear());
-            
-            return String.format("%d年第%d周", year, weekOfYear);
+            LocalDate inputDate = LocalDate.parse(dateKey, DateTimeFormatter.ofPattern("yyyyMMdd"));
+
+            // 获取该日期所在 ISO 周的周一
+            LocalDate monday = inputDate.with(DayOfWeek.MONDAY);
+            // 周一 + 6 天 = 周日
+            LocalDate sunday = monday.plusDays(6);
+
+            return sunday.format(DateTimeFormatter.ofPattern("yyyy-MM-dd"));
         } catch (Exception e) {
-            log.warn("生成周期显示文本失败, cycleKey={}", cycleKey, e);
-            return cycleKey;
+            log.warn("生成周结束日期失败, dateKey={}", dateKey, e);
+            return dateKey;
         }
     }
 }