diff --git a/kernel-s-system/system-business-permission/src/main/java/cn/stylefeng/roses/kernel/sys/modular/role/service/impl/RoleCategoryServiceImpl.java b/kernel-s-system/system-business-permission/src/main/java/cn/stylefeng/roses/kernel/sys/modular/role/service/impl/RoleCategoryServiceImpl.java
index c6b7260fc..beed9ed4c 100644
--- a/kernel-s-system/system-business-permission/src/main/java/cn/stylefeng/roses/kernel/sys/modular/role/service/impl/RoleCategoryServiceImpl.java
+++ b/kernel-s-system/system-business-permission/src/main/java/cn/stylefeng/roses/kernel/sys/modular/role/service/impl/RoleCategoryServiceImpl.java
@@ -2,6 +2,7 @@ package cn.stylefeng.roses.kernel.sys.modular.role.service.impl;
 
 import cn.hutool.core.bean.BeanUtil;
 import cn.hutool.core.util.ObjectUtil;
+import cn.stylefeng.roses.kernel.db.api.DbOperatorApi;
 import cn.stylefeng.roses.kernel.rule.exception.base.ServiceException;
 import cn.stylefeng.roses.kernel.rule.pidset.CalcParentIdListUtil;
 import cn.stylefeng.roses.kernel.rule.pidset.callback.PidGetterService;
@@ -13,11 +14,14 @@ import cn.stylefeng.roses.kernel.sys.modular.role.mapper.RoleCategoryMapper;
 import cn.stylefeng.roses.kernel.sys.modular.role.pojo.request.RoleCategoryRequest;
 import cn.stylefeng.roses.kernel.sys.modular.role.service.RoleCategoryService;
 import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
+import com.baomidou.mybatisplus.core.conditions.update.LambdaUpdateWrapper;
 import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
+import jakarta.annotation.Resource;
 import org.springframework.stereotype.Service;
 
 import java.util.ArrayList;
 import java.util.List;
+import java.util.Set;
 
 /**
  * 角色分类业务实现层
@@ -28,6 +32,9 @@ import java.util.List;
 @Service
 public class RoleCategoryServiceImpl extends ServiceImpl<RoleCategoryMapper, RoleCategory> implements RoleCategoryService, PidGetterService {
 
+    @Resource
+    private DbOperatorApi dbOperatorApi;
+
     @Override
     public List<RoleCategory> treeList(RoleCategoryRequest roleCategoryRequest) {
         LambdaQueryWrapper<RoleCategory> wrapper = this.createWrapper(roleCategoryRequest);
@@ -53,8 +60,16 @@ public class RoleCategoryServiceImpl extends ServiceImpl<RoleCategoryMapper, Rol
 
     @Override
     public void del(RoleCategoryRequest roleCategoryRequest) {
-        RoleCategory roleCategory = this.queryRoleCategory(roleCategoryRequest);
-        this.removeById(roleCategory.getId());
+        Long treeId = roleCategoryRequest.getId();
+
+        // 获取所有的子级节点id
+        Set<Long> childIdList = this.dbOperatorApi.findSubListByParentId("sys_role_category", "category_pids", "id", treeId);
+        childIdList.add(treeId);
+
+        // 删除本节点 + 子节点
+        LambdaUpdateWrapper<RoleCategory> wrapper = new LambdaUpdateWrapper<>();
+        wrapper.in(RoleCategory::getId, childIdList);
+        this.remove(wrapper);
     }
 
     @Override