diff --git a/demo-system/demo-system-biz/src/main/java/com/yxt/demo/system/biz/sys_user/SysUserMapper.java b/demo-system/demo-system-biz/src/main/java/com/yxt/demo/system/biz/sys_user/SysUserMapper.java
index 3b607e6..c93b1a8 100644
--- a/demo-system/demo-system-biz/src/main/java/com/yxt/demo/system/biz/sys_user/SysUserMapper.java
+++ b/demo-system/demo-system-biz/src/main/java/com/yxt/demo/system/biz/sys_user/SysUserMapper.java
@@ -19,4 +19,6 @@ public interface SysUserMapper extends BaseMapper<SysUser> {
     SysUser selectByNameAndUserName(@Param("userName") String userName, @Param("name") String name);
 
     SysUser selectUserInfo(@Param("sid") String sid);
+
+    void updateUserById(SysUser sysUser);
 }
diff --git a/demo-system/demo-system-biz/src/main/java/com/yxt/demo/system/biz/sys_user/SysUserMapper.xml b/demo-system/demo-system-biz/src/main/java/com/yxt/demo/system/biz/sys_user/SysUserMapper.xml
index 29d05aa..df0e821 100644
--- a/demo-system/demo-system-biz/src/main/java/com/yxt/demo/system/biz/sys_user/SysUserMapper.xml
+++ b/demo-system/demo-system-biz/src/main/java/com/yxt/demo/system/biz/sys_user/SysUserMapper.xml
@@ -20,4 +20,20 @@
         left join sys_user u on u.sid = i.userSid
         where u.sid = #{sid}
     </select>
+
+    <update id="updateUserById" parameterType="com.yxt.demo.system.api.sys_user.SysUser">
+        update sys_user
+        <set>
+            <if test="name != null">
+                name = #{name},
+            </if>
+            <if test="nickName != null">
+                nickName = #{nickName},
+            </if>
+            <if test="modifyTime != null">
+                modifyTime = #{modifyTime},
+            </if>
+        </set>
+        where id = #{id}
+    </update>
 </mapper>
\ No newline at end of file
diff --git a/demo-system/demo-system-biz/src/main/java/com/yxt/demo/system/biz/sys_user/SysUserService.java b/demo-system/demo-system-biz/src/main/java/com/yxt/demo/system/biz/sys_user/SysUserService.java
index 7b27c07..52f6d05 100644
--- a/demo-system/demo-system-biz/src/main/java/com/yxt/demo/system/biz/sys_user/SysUserService.java
+++ b/demo-system/demo-system-biz/src/main/java/com/yxt/demo/system/biz/sys_user/SysUserService.java
@@ -12,6 +12,8 @@ import com.yxt.demo.system.biz.sys_info.SysInfoService;
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.stereotype.Service;
 
+import java.util.Date;
+
 /**
  * @Author dimengzhe
  * @Date 2023/4/24 11:40
@@ -109,10 +111,13 @@ public class SysUserService extends MybatisBaseService<SysUserMapper, SysUser> {
 
     public ResultBean alterInfoUser(SysUser sysUser) {
         ResultBean rb = ResultBean.fireFail();
-        int i = sysUserMapper.updateById(sysUser);
-        if (i == 0){
-            return rb.setMsg("修改失败");
-        }else {
+        SysUser sysUser1 = new SysUser();
+        sysUser1.setId(sysUser.getId());
+        sysUser1.setName(sysUser.getName());
+        sysUser1.setNickName(sysUser.getNickName());
+        sysUser1.setModifyTime(new Date());
+        try {
+            sysUserMapper.updateUserById(sysUser1);
             SysInfo sysInfo1 = sysInfoService.selectInfoByUserSid(sysUser.getSid());
             sysInfo1.setCalss(sysUser.getCalss());
             sysInfo1.setSpeciality(sysUser.getSpeciality());
@@ -122,6 +127,8 @@ public class SysUserService extends MybatisBaseService<SysUserMapper, SysUser> {
             sysInfo1.setName(sysUser.getName());
             sysInfoService.alterInfo(sysInfo1);
             return rb.success();
+        }catch (Exception e){
+            return rb.setMsg("修改失败");
         }
     }
 }