修改部门顶级节点报错问题

ruoyi-system/src/main/java/com/ruoyi/system/service/impl/SysDeptServiceImpl.java

@@ -227,7 +227,7 @@ public class SysDeptServiceImpl implements ISysDeptService
             updateDeptChildren(dept.getDeptId(), newAncestors, oldAncestors);
         }
         int result = deptMapper.updateDept(dept);
-        if (UserConstants.DEPT_NORMAL.equals(dept.getStatus()))
+        if (UserConstants.DEPT_NORMAL.equals(dept.getStatus()) && StringUtils.isNotEmpty(dept.getAncestors()))
         {
             // 如果该部门是启用状态，则启用该部门的所有上级部门
             updateParentDeptStatusNormal(dept);