diff --git a/ruoyi-api/ruoyi-api-system/src/main/java/org/dromara/system/api/model/LoginUser.java b/ruoyi-api/ruoyi-api-system/src/main/java/org/dromara/system/api/model/LoginUser.java
index 2463bd0a..405a87f0 100644
--- a/ruoyi-api/ruoyi-api-system/src/main/java/org/dromara/system/api/model/LoginUser.java
+++ b/ruoyi-api/ruoyi-api-system/src/main/java/org/dromara/system/api/model/LoginUser.java
@@ -35,6 +35,11 @@ public class LoginUser implements Serializable {
      */
     private Long deptId;
 
+    /**
+     * 部门类别编码
+     */
+    private String deptCategory;
+
     /**
      * 部门名
      */
diff --git a/ruoyi-common/ruoyi-common-satoken/src/main/java/org/dromara/common/satoken/utils/LoginHelper.java b/ruoyi-common/ruoyi-common-satoken/src/main/java/org/dromara/common/satoken/utils/LoginHelper.java
index aad364a9..41d14b03 100644
--- a/ruoyi-common/ruoyi-common-satoken/src/main/java/org/dromara/common/satoken/utils/LoginHelper.java
+++ b/ruoyi-common/ruoyi-common-satoken/src/main/java/org/dromara/common/satoken/utils/LoginHelper.java
@@ -35,6 +35,7 @@ public class LoginHelper {
     public static final String USER_NAME_KEY = "userName";
     public static final String DEPT_KEY = "deptId";
     public static final String DEPT_NAME_KEY = "deptName";
+    public static final String DEPT_CATEGORY_KEY = "deptCategory";
     public static final String CLIENT_KEY = "clientid";
 
     /**
@@ -52,6 +53,7 @@ public class LoginHelper {
                 .setExtra(USER_NAME_KEY, loginUser.getUsername())
                 .setExtra(DEPT_KEY, loginUser.getDeptId())
                 .setExtra(DEPT_NAME_KEY, loginUser.getDeptName())
+                .setExtra(DEPT_CATEGORY_KEY, loginUser.getDeptCategory())
         );
         StpUtil.getTokenSession().set(LOGIN_USER_KEY, loginUser);
     }
@@ -99,6 +101,20 @@ public class LoginHelper {
         return Convert.toLong(getExtra(DEPT_KEY));
     }
 
+    /**
+     * 获取部门名
+     */
+    public static String getDeptName() {
+        return Convert.toStr(getExtra(DEPT_NAME_KEY));
+    }
+
+    /**
+     * 获取部门类别编码
+     */
+    public static String getDeptCategory() {
+        return Convert.toStr(getExtra(DEPT_CATEGORY_KEY));
+    }
+
     /**
      * 获取当前 Token 的扩展信息
      *
diff --git a/ruoyi-modules/ruoyi-system/src/main/java/org/dromara/system/controller/system/SysDeptController.java b/ruoyi-modules/ruoyi-system/src/main/java/org/dromara/system/controller/system/SysDeptController.java
index c0843538..b00b1fb1 100644
--- a/ruoyi-modules/ruoyi-system/src/main/java/org/dromara/system/controller/system/SysDeptController.java
+++ b/ruoyi-modules/ruoyi-system/src/main/java/org/dromara/system/controller/system/SysDeptController.java
@@ -2,6 +2,7 @@ package org.dromara.system.controller.system;
 
 import cn.dev33.satoken.annotation.SaCheckPermission;
 import cn.hutool.core.convert.Convert;
+import lombok.RequiredArgsConstructor;
 import org.dromara.common.core.constant.UserConstants;
 import org.dromara.common.core.domain.R;
 import org.dromara.common.core.utils.StringUtils;
@@ -11,7 +12,6 @@ import org.dromara.common.web.core.BaseController;
 import org.dromara.system.domain.bo.SysDeptBo;
 import org.dromara.system.domain.vo.SysDeptVo;
 import org.dromara.system.service.ISysDeptService;
-import lombok.RequiredArgsConstructor;
 import org.springframework.validation.annotation.Validated;
 import org.springframework.web.bind.annotation.*;
 
@@ -75,6 +75,8 @@ public class SysDeptController extends BaseController {
     public R<Void> add(@Validated @RequestBody SysDeptBo dept) {
         if (!deptService.checkDeptNameUnique(dept)) {
             return R.fail("新增部门'" + dept.getDeptName() + "'失败，部门名称已存在");
+        } else if (StringUtils.isNotBlank(dept.getDeptCategory()) && !deptService.checkDeptCategoryUnique(dept)) {
+            return R.fail("新增部门'" + dept.getDeptName() + "'失败，部门类别编码已存在");
         }
         return toAjax(deptService.insertDept(dept));
     }
@@ -90,6 +92,8 @@ public class SysDeptController extends BaseController {
         deptService.checkDeptDataScope(deptId);
         if (!deptService.checkDeptNameUnique(dept)) {
             return R.fail("修改部门'" + dept.getDeptName() + "'失败，部门名称已存在");
+        } else if (StringUtils.isNotBlank(dept.getDeptCategory()) && !deptService.checkDeptCategoryUnique(dept)) {
+            return R.fail("修改部门'" + dept.getDeptName() + "'失败，部门类别编码已存在");
         } else if (dept.getParentId().equals(deptId)) {
             return R.fail("修改部门'" + dept.getDeptName() + "'失败，上级部门不能是自己");
         } else if (StringUtils.equals(UserConstants.DEPT_DISABLE, dept.getStatus())) {
diff --git a/ruoyi-modules/ruoyi-system/src/main/java/org/dromara/system/dubbo/RemoteUserServiceImpl.java b/ruoyi-modules/ruoyi-system/src/main/java/org/dromara/system/dubbo/RemoteUserServiceImpl.java
index ca88fc2c..754baeaa 100644
--- a/ruoyi-modules/ruoyi-system/src/main/java/org/dromara/system/dubbo/RemoteUserServiceImpl.java
+++ b/ruoyi-modules/ruoyi-system/src/main/java/org/dromara/system/dubbo/RemoteUserServiceImpl.java
@@ -211,6 +211,7 @@ public class RemoteUserServiceImpl implements RemoteUserService {
                 dept = deptService.selectDeptById(userVo.getDeptId());
             }
             loginUser.setDeptName(ObjectUtil.isNull(dept) ? "" : dept.getDeptName());
+            loginUser.setDeptCategory(ObjectUtil.isNull(dept) ? "" : dept.getDeptCategory());
             List<SysRoleVo> roles = roleService.selectRolesByUserId(userVo.getUserId());
             loginUser.setRoles(BeanUtil.copyToList(roles, RoleDTO.class));
         });
diff --git a/ruoyi-modules/ruoyi-system/src/main/java/org/dromara/system/service/ISysDeptService.java b/ruoyi-modules/ruoyi-system/src/main/java/org/dromara/system/service/ISysDeptService.java
index d2a05d96..b4fc94cc 100644
--- a/ruoyi-modules/ruoyi-system/src/main/java/org/dromara/system/service/ISysDeptService.java
+++ b/ruoyi-modules/ruoyi-system/src/main/java/org/dromara/system/service/ISysDeptService.java
@@ -100,6 +100,14 @@ public interface ISysDeptService {
      */
     boolean checkDeptNameUnique(SysDeptBo dept);
 
+    /**
+     * 校验部门类别编码是否唯一
+     *
+     * @param dept 部门信息
+     * @return 结果
+     */
+    boolean checkDeptCategoryUnique(SysDeptBo dept);
+
     /**
      * 校验部门是否有数据权限
      *
diff --git a/ruoyi-modules/ruoyi-system/src/main/java/org/dromara/system/service/impl/SysDeptServiceImpl.java b/ruoyi-modules/ruoyi-system/src/main/java/org/dromara/system/service/impl/SysDeptServiceImpl.java
index f4c1a40b..d421e313 100644
--- a/ruoyi-modules/ruoyi-system/src/main/java/org/dromara/system/service/impl/SysDeptServiceImpl.java
+++ b/ruoyi-modules/ruoyi-system/src/main/java/org/dromara/system/service/impl/SysDeptServiceImpl.java
@@ -223,6 +223,20 @@ public class SysDeptServiceImpl implements ISysDeptService {
         return !exist;
     }
 
+    /**
+     * 校验部门类别编码是否唯一
+     *
+     * @param dept 部门信息
+     * @return 结果
+     */
+    @Override
+    public boolean checkDeptCategoryUnique(SysDeptBo dept) {
+        boolean exist = baseMapper.exists(new LambdaQueryWrapper<SysDept>()
+            .eq(SysDept::getDeptCategory, dept.getDeptCategory())
+            .ne(ObjectUtil.isNotNull(dept.getDeptId()), SysDept::getDeptId, dept.getDeptId()));
+        return !exist;
+    }
+
     /**
      * 校验部门是否有数据权限
      *