diff --git a/virtual-patient-web/src/main/java/com/supervision/controller/UserController.java b/virtual-patient-web/src/main/java/com/supervision/controller/UserController.java
index f0ee3790..e04402d3 100644
--- a/virtual-patient-web/src/main/java/com/supervision/controller/UserController.java
+++ b/virtual-patient-web/src/main/java/com/supervision/controller/UserController.java
@@ -1,6 +1,7 @@
 package com.supervision.controller;
 
 import cn.hutool.core.bean.BeanUtil;
+import cn.hutool.core.util.ObjectUtil;
 import cn.hutool.core.util.StrUtil;
 import cn.hutool.json.JSONUtil;
 import com.supervision.exception.BusinessException;