diff --git a/pqs-user/user-boot/src/main/java/com/njcn/user/service/impl/AppUserServiceImpl.java b/pqs-user/user-boot/src/main/java/com/njcn/user/service/impl/AppUserServiceImpl.java
index 03a230677..b3fc94e6c 100644
--- a/pqs-user/user-boot/src/main/java/com/njcn/user/service/impl/AppUserServiceImpl.java
+++ b/pqs-user/user-boot/src/main/java/com/njcn/user/service/impl/AppUserServiceImpl.java
@@ -249,8 +249,11 @@ public class AppUserServiceImpl extends ServiceImpl<AppUserMapper, User> impleme
     }
 
     @Override
+    @Transactional(rollbackFor = BusinessException.class)
     public void updateDevCode(String userId, String devCode) {
         LambdaUpdateWrapper<User> lambdaUpdateWrapper = new LambdaUpdateWrapper<>();
+        lambdaUpdateWrapper.set(User::getDevCode,null).eq(User::getDevCode,devCode);
+        this.update(lambdaUpdateWrapper);
         lambdaUpdateWrapper.set(User::getDevCode,devCode).eq(User::getId,userId);
         this.update(lambdaUpdateWrapper);
     }