diff --git a/ruoyi-admin/src/main/java/com/ruoyi/web/controller/system/SysLoginController.java b/ruoyi-admin/src/main/java/com/ruoyi/web/controller/system/SysLoginController.java
index 20b11f5..b46d3eb 100644
--- a/ruoyi-admin/src/main/java/com/ruoyi/web/controller/system/SysLoginController.java
+++ b/ruoyi-admin/src/main/java/com/ruoyi/web/controller/system/SysLoginController.java
@@ -89,7 +89,7 @@ public class SysLoginController {
                 // 生成令牌
                 String token = loginService.login(loginBody.getUsername(), loginBody.getPassword(), loginBody.getCode(),
                         loginBody.getUuid());
-                SysUser user = sysUserMapper.selectDeptIdByUserName(loginBody.getUsername());
+                SysUser user = sysUserMapper.selectDeptIdByStudentNumber(loginBody.getUsername());
                 ajax.put(Constants.TOKEN, token);
                 ajax.put("deptId",user.getDeptId());
                 ajax.put("UserId",user.getUserId());
diff --git a/ruoyi-framework/src/main/java/com/ruoyi/framework/web/service/UserDetailsServiceImpl.java b/ruoyi-framework/src/main/java/com/ruoyi/framework/web/service/UserDetailsServiceImpl.java
index c8b1c7b..23ea09c 100644
--- a/ruoyi-framework/src/main/java/com/ruoyi/framework/web/service/UserDetailsServiceImpl.java
+++ b/ruoyi-framework/src/main/java/com/ruoyi/framework/web/service/UserDetailsServiceImpl.java
@@ -1,5 +1,6 @@
 package com.ruoyi.framework.web.service;
 
+import com.ruoyi.system.mapper.SysUserMapper;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 import org.springframework.beans.factory.annotation.Autowired;
@@ -30,10 +31,13 @@ public class UserDetailsServiceImpl implements UserDetailsService
     @Autowired
     private SysPermissionService permissionService;
 
+    @Autowired
+    private SysUserMapper sysUserMapper;
+
     @Override
     public UserDetails loadUserByUsername(String username) throws UsernameNotFoundException
     {
-        SysUser user = userService.selectUserByUserName(username);
+        SysUser user = sysUserMapper.selectUserByStudentNumber(username);
         if (StringUtils.isNull(user))
         {
             log.info("登录用户：{} 不存在.", username);
diff --git a/ruoyi-system/src/main/java/com/ruoyi/system/mapper/SysUserMapper.java b/ruoyi-system/src/main/java/com/ruoyi/system/mapper/SysUserMapper.java
index 53ddfaa..5c80710 100644
--- a/ruoyi-system/src/main/java/com/ruoyi/system/mapper/SysUserMapper.java
+++ b/ruoyi-system/src/main/java/com/ruoyi/system/mapper/SysUserMapper.java
@@ -150,4 +150,6 @@ public interface SysUserMapper
     Long selectUserIDByStuNum(@Param("studentNumber") String studentNumber);
 
     SysUser selectDeptIdByUserName(@Param("userName")String username);
+
+    SysUser selectDeptIdByStudentNumber(@Param("userName")String username);
 }
diff --git a/ruoyi-system/src/main/resources/mapper/system/SysUserMapper.xml b/ruoyi-system/src/main/resources/mapper/system/SysUserMapper.xml
index 04bd757..3325130 100644
--- a/ruoyi-system/src/main/resources/mapper/system/SysUserMapper.xml
+++ b/ruoyi-system/src/main/resources/mapper/system/SysUserMapper.xml
@@ -151,6 +151,12 @@
         WHERE su.user_name = #{userName}
     </select>
 
+    <select id="selectDeptIdByStudentNumber" resultMap="SysUserResult">
+        SELECT su.dept_id,su.user_id
+        FROM sys_user su
+        WHERE su.studentnumber = #{userName}
+    </select>
+
     <select id="selectByNameStuNum" resultMap="SysUserResult">
         SELECT su.studentnumber, su.stuclass, su.user_name, su.user_id
         FROM sys_user su