diff --git a/ruoyi-admin/src/main/java/com/ruoyi/web/controller/system/SysMenuController.java b/ruoyi-admin/src/main/java/com/ruoyi/web/controller/system/SysMenuController.java
index 03b6b65..fe807ca 100644
--- a/ruoyi-admin/src/main/java/com/ruoyi/web/controller/system/SysMenuController.java
+++ b/ruoyi-admin/src/main/java/com/ruoyi/web/controller/system/SysMenuController.java
@@ -122,21 +122,13 @@ public class SysMenuController extends BaseController
     }
 
     /**
-     * 删除菜单
+     * 删除菜单（存在子菜单时级联删除）
      */
     @PreAuthorize("@ss.hasPermi('system:menu:remove')")
     @Log(title = "菜单管理", businessType = BusinessType.DELETE)
     @DeleteMapping("/{menuId}")
     public AjaxResult remove(@PathVariable("menuId") Long menuId)
     {
-        if (menuService.hasChildByMenuId(menuId))
-        {
-            return warn("存在子菜单,不允许删除");
-        }
-        if (menuService.checkMenuExistRole(menuId))
-        {
-            return warn("菜单已分配,不允许删除");
-        }
         return toAjax(menuService.deleteMenuById(menuId));
     }
 }
\ No newline at end of file
diff --git a/ruoyi-system/src/main/java/com/ruoyi/system/mapper/SysMenuMapper.java b/ruoyi-system/src/main/java/com/ruoyi/system/mapper/SysMenuMapper.java
index 99c0c50..54f1a90 100644
--- a/ruoyi-system/src/main/java/com/ruoyi/system/mapper/SysMenuMapper.java
+++ b/ruoyi-system/src/main/java/com/ruoyi/system/mapper/SysMenuMapper.java
@@ -114,6 +114,22 @@ public interface SysMenuMapper
      */
     public int deleteMenuById(Long menuId);
 
+    /**
+     * 批量删除菜单信息
+     *
+     * @param menuIds 菜单ID集合
+     * @return 结果
+     */
+    public int deleteMenuByIds(@Param("menuIds") List<Long> menuIds);
+
+    /**
+     * 根据父菜单ID查询子菜单
+     *
+     * @param parentId 父菜单ID
+     * @return 子菜单列表
+     */
+    public List<SysMenu> selectChildrenByParentId(@Param("parentId") Long parentId);
+
     /**
      * 校验菜单名称是否唯一
      *
diff --git a/ruoyi-system/src/main/java/com/ruoyi/system/mapper/SysRoleMenuMapper.java b/ruoyi-system/src/main/java/com/ruoyi/system/mapper/SysRoleMenuMapper.java
index 6602bee..2057a30 100644
--- a/ruoyi-system/src/main/java/com/ruoyi/system/mapper/SysRoleMenuMapper.java
+++ b/ruoyi-system/src/main/java/com/ruoyi/system/mapper/SysRoleMenuMapper.java
@@ -1,6 +1,7 @@
 package com.ruoyi.system.mapper;
 
 import java.util.List;
+import org.apache.ibatis.annotations.Param;
 import com.ruoyi.system.domain.SysRoleMenu;
 
 /**
@@ -34,6 +35,14 @@ public interface SysRoleMenuMapper
      */
     public int deleteRoleMenu(Long[] ids);
 
+    /**
+     * 通过菜单ID集合删除角色和菜单关联
+     *
+     * @param menuIds 菜单ID集合
+     * @return 结果
+     */
+    public int deleteRoleMenuByMenuIds(@Param("menuIds") List<Long> menuIds);
+
     /**
      * 批量新增角色菜单信息
      * 
diff --git a/ruoyi-system/src/main/java/com/ruoyi/system/service/impl/SysMenuServiceImpl.java b/ruoyi-system/src/main/java/com/ruoyi/system/service/impl/SysMenuServiceImpl.java
index 225c280..3dfbb24 100644
--- a/ruoyi-system/src/main/java/com/ruoyi/system/service/impl/SysMenuServiceImpl.java
+++ b/ruoyi-system/src/main/java/com/ruoyi/system/service/impl/SysMenuServiceImpl.java
@@ -317,7 +317,7 @@ public class SysMenuServiceImpl implements ISysMenuService
     }
 
     /**
-     * 删除菜单管理信息
+     * 删除菜单管理信息，存在子菜单时级联删除子菜单及角色关联
      * 
      * @param menuId 菜单ID
      * @return 结果
@@ -325,7 +325,26 @@ public class SysMenuServiceImpl implements ISysMenuService
     @Override
     public int deleteMenuById(Long menuId)
     {
-        return menuMapper.deleteMenuById(menuId);
+        List<Long> menuIds = new ArrayList<>();
+        collectAllMenuIds(menuId, menuIds);
+        if (!menuIds.isEmpty())
+        {
+            roleMenuMapper.deleteRoleMenuByMenuIds(menuIds);
+        }
+        return menuMapper.deleteMenuByIds(menuIds);
+    }
+
+    /**
+     * 递归收集当前菜单及其所有子菜单ID
+     */
+    private void collectAllMenuIds(Long menuId, List<Long> menuIds)
+    {
+        menuIds.add(menuId);
+        List<SysMenu> children = menuMapper.selectChildrenByParentId(menuId);
+        for (SysMenu child : children)
+        {
+            collectAllMenuIds(child.getMenuId(), menuIds);
+        }
     }
 
     /**
diff --git a/ruoyi-system/src/main/resources/mapper/system/SysMenuMapper.xml b/ruoyi-system/src/main/resources/mapper/system/SysMenuMapper.xml
index 6762007..bff944d 100644
--- a/ruoyi-system/src/main/resources/mapper/system/SysMenuMapper.xml
+++ b/ruoyi-system/src/main/resources/mapper/system/SysMenuMapper.xml
@@ -126,6 +126,18 @@
 	<select id="hasChildByMenuId" resultType="Integer">
 	    select count(1) from sys_menu where parent_id = #{menuId}  
 	</select>
+
+	<select id="selectChildrenByParentId" resultMap="SysMenuResult">
+		<include refid="selectMenuVo"/>
+		where parent_id = #{parentId}
+	</select>
+	
+	<delete id="deleteMenuByIds">
+	    delete from sys_menu where menu_id in
+	    <foreach collection="menuIds" item="menuId" open="(" separator="," close=")">
+	        #{menuId}
+	    </foreach>
+	</delete>
 	
 	<select id="checkMenuNameUnique" parameterType="SysMenu" resultMap="SysMenuResult">
 		<include refid="selectMenuVo"/>
diff --git a/ruoyi-system/src/main/resources/mapper/system/SysRoleMenuMapper.xml b/ruoyi-system/src/main/resources/mapper/system/SysRoleMenuMapper.xml
index cb60a85..e72d65f 100644
--- a/ruoyi-system/src/main/resources/mapper/system/SysRoleMenuMapper.xml
+++ b/ruoyi-system/src/main/resources/mapper/system/SysRoleMenuMapper.xml
@@ -23,6 +23,13 @@ PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN"
  			#{roleId}
         </foreach> 
  	</delete>
+
+	<delete id="deleteRoleMenuByMenuIds">
+		delete from sys_role_menu where menu_id in
+		<foreach collection="menuIds" item="menuId" open="(" separator="," close=")">
+			#{menuId}
+		</foreach>
+	</delete>
 	
 	<insert id="batchRoleMenu">
 		insert into sys_role_menu(role_id, menu_id) values