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 b6adfe6..0765d73 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
@@ -952,7 +952,7 @@ public class WatchDataApiServiceImpl implements WatchDataApiService {
         WatchStatUserInfoDaySleep data = watchStatUserInfoDaySleepMapper.selectOne(queryWrapper);
 
         if (data == null) {
-            return null;
+            return new UserStat();
         }
 
         UserStat stat = new UserStat();
@@ -974,7 +974,7 @@ public class WatchDataApiServiceImpl implements WatchDataApiService {
         // 最新数据
         UserStat userStat = userWatchDataLatest(userId, type, scale);
         if (userStat == null) {
-            return null;
+            return new UserStat();
         }
         LambdaQueryWrapper<WatchStatUserInfoDayTemp> queryWrapper = getQueryWrapper(userId, date);
         WatchStatUserInfoDayTemp data = watchStatUserInfoDayTempMapper.selectOne(queryWrapper);
@@ -992,7 +992,7 @@ public class WatchDataApiServiceImpl implements WatchDataApiService {
         // 最新数据
         UserStat userStat = userWatchDataLatest(userId, type, scale);
         if (userStat == null) {
-            return null;
+            return new UserStat();
         }
         LambdaQueryWrapper<WatchStatUserInfoDayStress> queryWrapper = getQueryWrapper(userId, date);
         WatchStatUserInfoDayStress data = watchStatUserInfoDayStressMapper.selectOne(queryWrapper);
@@ -1010,7 +1010,7 @@ public class WatchDataApiServiceImpl implements WatchDataApiService {
         // 最新数据
         UserStat userStat = userWatchDataLatest(userId, type, scale);
         if (userStat == null) {
-            return null;
+            return new UserStat();
         }
         LambdaQueryWrapper<WatchStatUserInfoDaySpo2> queryWrapper = getQueryWrapper(userId, date);
         WatchStatUserInfoDaySpo2 data = watchStatUserInfoDaySpo2Mapper.selectOne(queryWrapper);
@@ -1028,7 +1028,7 @@ public class WatchDataApiServiceImpl implements WatchDataApiService {
         // 最新数据
         UserStat userStat = userWatchDataLatest(userId, type, scale);
         if (userStat == null) {
-            return null;
+            return new UserStat();
         }
         LambdaQueryWrapper<WatchStatUserInfoDayHeartRate> queryWrapper = getQueryWrapper(userId, date);
         WatchStatUserInfoDayHeartRate data = watchStatUserInfoDayHeartRateMapper.selectOne(queryWrapper);