角色为空的用户更新失败

mec-biz/src/main/java/com/ym/mec/biz/service/impl/EmployeeServiceImpl.java

@@ -203,7 +203,9 @@ public class EmployeeServiceImpl extends BaseServiceImpl<Integer, Employee> impl
         employeeDao.delEmployeeRole(employee.getId());
         //新增用户角色
         Integer tenantId = TenantContextHolder.getTenantId();
-        employeeDao.batchAddEmployeeRole(employee.getId(), employee.getRoleIds(), tenantId);
+        if(employee.getRoleIds() != null && employee.getRoleIds().size() > 0){
+            employeeDao.batchAddEmployeeRole(employee.getId(), employee.getRoleIds(), tenantId);
+        }
 
         //删除用户职位
         employeePositionService.delPosition(employee.getId(), tenantId);