diff --git a/ruoyi-modules/ruoyi-system/src/main/java/org/dromara/system/service/impl/SysDeptServiceImpl.java b/ruoyi-modules/ruoyi-system/src/main/java/org/dromara/system/service/impl/SysDeptServiceImpl.java
index 0199ec719..ca062bee6 100644
--- a/ruoyi-modules/ruoyi-system/src/main/java/org/dromara/system/service/impl/SysDeptServiceImpl.java
+++ b/ruoyi-modules/ruoyi-system/src/main/java/org/dromara/system/service/impl/SysDeptServiceImpl.java
@@ -31,6 +31,7 @@ import org.springframework.cache.annotation.CacheEvict;
 import org.springframework.cache.annotation.Cacheable;
 import org.springframework.cache.annotation.Caching;
 import org.springframework.stereotype.Service;
+import org.springframework.transaction.annotation.Transactional;
 
 import java.util.ArrayList;
 import java.util.Arrays;
@@ -301,6 +302,7 @@ public class SysDeptServiceImpl implements ISysDeptService, DeptService {
         @CacheEvict(cacheNames = CacheNames.SYS_DEPT_AND_CHILD, allEntries = true)
     })
     @Override
+    @Transactional(rollbackFor = Exception.class)
     public int updateDept(SysDeptBo bo) {
         SysDept dept = MapstructUtils.convert(bo, SysDept.class);
         SysDept oldDept = baseMapper.selectById(dept.getDeptId());