diff --git a/health-watch/health-watch-biz/src/main/java/com/renkang/watch/api/service/impl/WatchDataApiServiceImpl.java b/health-watch/health-watch-biz/src/main/java/com/renkang/watch/api/service/impl/WatchDataApiServiceImpl.java
index b67f336..52c7d07 100644
--- a/health-watch/health-watch-biz/src/main/java/com/renkang/watch/api/service/impl/WatchDataApiServiceImpl.java
+++ b/health-watch/health-watch-biz/src/main/java/com/renkang/watch/api/service/impl/WatchDataApiServiceImpl.java
@@ -974,7 +974,13 @@ public class WatchDataApiServiceImpl implements WatchDataApiService {
         wrapper.eq(WatchStatUserInfoDaySleep::getUserId, userId);
         wrapper.orderByDesc(WatchStatUserInfoDaySleep::getDataDate);
         wrapper.last("FETCH FIRST 1 ROWS ONLY");
-        return watchStatUserInfoDaySleepMapper.selectJoinOne(WatchH5IndexItemNewVo.class,wrapper);
+        WatchH5IndexItemNewVo vo = watchStatUserInfoDaySleepMapper.selectJoinOne(WatchH5IndexItemNewVo.class, wrapper);
+        // 浅睡有值但深睡为空 → 当天仅有浅睡数据,用浅睡补齐 dataValue/dataMax
+        if (vo != null && StrUtil.isNotEmpty(vo.getDataMin()) && StrUtil.isEmpty(vo.getDataMax())) {
+            vo.setDataValue(vo.getDataMin());
+            vo.setDataMax(vo.getDataMin());
+        }
+        return vo;
     }
 
     private WatchH5IndexItemNewVo latestHeartRateData(String userId) {
diff --git a/health-watch/health-watch-biz/src/main/java/com/renkang/watch/service/impl/WatchServiceImpl.java b/health-watch/health-watch-biz/src/main/java/com/renkang/watch/service/impl/WatchServiceImpl.java
index 107e6d4..ac114d2 100644
--- a/health-watch/health-watch-biz/src/main/java/com/renkang/watch/service/impl/WatchServiceImpl.java
+++ b/health-watch/health-watch-biz/src/main/java/com/renkang/watch/service/impl/WatchServiceImpl.java
@@ -587,7 +587,13 @@ public class WatchServiceImpl implements IWatchService {
         wrapper.eq(WatchStatUserInfoDaySleep::getUserId, userId);
         wrapper.orderByDesc(WatchStatUserInfoDaySleep::getDataDate);
         wrapper.last("FETCH FIRST 1 ROWS ONLY");
-        return daySleepMapper.selectJoinOne(WatchH5IndexItemNewVo.class,wrapper);
+        WatchH5IndexItemNewVo vo = daySleepMapper.selectJoinOne(WatchH5IndexItemNewVo.class, wrapper);
+        // 短睡(午睡)有值但长睡为空 → 当天仅有午睡数据,用短睡补齐 dataValue/dataMax
+        if (vo != null && StrUtil.isNotEmpty(vo.getDataMin()) && StrUtil.isEmpty(vo.getDataMax())) {
+            vo.setDataValue(vo.getDataMin());
+            vo.setDataMax(vo.getDataMin());
+        }
+        return vo;
     }
 
     private WatchH5IndexItemNewVo latestStepsData(String userId) {