diff --git a/lottery-system/lottery-service/src/main/java/com/lottery/admin/service/Impl/AdminGradeServiceImpl.java b/lottery-system/lottery-service/src/main/java/com/lottery/admin/service/Impl/AdminGradeServiceImpl.java
index 92e44b5..020cc92 100644
--- a/lottery-system/lottery-service/src/main/java/com/lottery/admin/service/Impl/AdminGradeServiceImpl.java
+++ b/lottery-system/lottery-service/src/main/java/com/lottery/admin/service/Impl/AdminGradeServiceImpl.java
@@ -21,8 +21,10 @@ import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.beans.factory.annotation.ParameterResolutionDelegate;
 import org.springframework.stereotype.Service;
 import org.springframework.transaction.annotation.Transactional;
+import org.springframework.util.CollectionUtils;
 
 import java.util.ArrayList;
+import java.util.Collections;
 import java.util.Date;
 import java.util.List;
 import java.util.stream.Collectors;
@@ -127,11 +129,12 @@ public class AdminGradeServiceImpl extends ServiceImpl<AdminGradeMapper, Grade>
             List<WinnerRecord> winnerRecords = adminWinMapper.selectList(in);
             List<Long> userIds = winnerRecords.stream().map(WinnerRecord::getUserId).collect(Collectors.toList());
 
-            LambdaUpdateWrapper<User> userLambdaUpdateWrapper = new LambdaUpdateWrapper<>();
-            userLambdaUpdateWrapper.in(User::getId, userIds).set(User::getIsWin, 0);
-
-            adminUserMapper.update(null, userLambdaUpdateWrapper);
+            if (!CollectionUtils.isEmpty(userIds)) {
+                LambdaUpdateWrapper<User> userLambdaUpdateWrapper = new LambdaUpdateWrapper<>();
+                userLambdaUpdateWrapper.in(User::getId, userIds).set(User::getIsWin, 0);
 
+                adminUserMapper.update(null, userLambdaUpdateWrapper);
+            }
 
             // 2. 批量逻辑删除关联的 win_record
             LambdaUpdateWrapper<WinnerRecord> winRecordWrapper = new LambdaUpdateWrapper<>();
diff --git a/lottery-system/lottery-service/src/main/java/com/lottery/admin/service/Impl/AdminPrizeServiceImpl.java b/lottery-system/lottery-service/src/main/java/com/lottery/admin/service/Impl/AdminPrizeServiceImpl.java
index e5059e9..f4928f7 100644
--- a/lottery-system/lottery-service/src/main/java/com/lottery/admin/service/Impl/AdminPrizeServiceImpl.java
+++ b/lottery-system/lottery-service/src/main/java/com/lottery/admin/service/Impl/AdminPrizeServiceImpl.java
@@ -23,6 +23,7 @@ import org.apache.ibatis.annotations.Lang;
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.stereotype.Service;
 import org.springframework.transaction.annotation.Transactional;
+import org.springframework.util.CollectionUtils;
 
 import java.util.Date;
 import java.util.HashMap;
@@ -369,10 +370,13 @@ public class AdminPrizeServiceImpl extends ServiceImpl<AdminPrizeMapper, Prize>
         List<WinnerRecord> winnerRecords = adminWinMapper.selectList(eq);
         List<Long> userIds = winnerRecords.stream().map(WinnerRecord::getUserId).collect(Collectors.toList());
 
-        LambdaUpdateWrapper<User> userLambdaUpdateWrapper = new LambdaUpdateWrapper<>();
-        userLambdaUpdateWrapper.in(User::getId, userIds).set(User::getIsWin, 0);
+        if (!CollectionUtils.isEmpty(userIds)) {
 
-        adminUserMapper.update(null, userLambdaUpdateWrapper);
+            LambdaUpdateWrapper<User> userLambdaUpdateWrapper = new LambdaUpdateWrapper<>();
+            userLambdaUpdateWrapper.in(User::getId, userIds).set(User::getIsWin, 0);
+
+            adminUserMapper.update(null, userLambdaUpdateWrapper);
+        }
 
 
         //把关联的user_detail表删了