diff --git a/ruoyi-modules/ruoyi-system/src/main/java/org/dromara/system/controller/system/SysMenuController.java b/ruoyi-modules/ruoyi-system/src/main/java/org/dromara/system/controller/system/SysMenuController.java
index 2ca0cd3..8328149 100644
--- a/ruoyi-modules/ruoyi-system/src/main/java/org/dromara/system/controller/system/SysMenuController.java
+++ b/ruoyi-modules/ruoyi-system/src/main/java/org/dromara/system/controller/system/SysMenuController.java
@@ -181,4 +181,18 @@ public class SysMenuController extends BaseController {
         return toAjax(menuService.deleteMenuById(menuId));
     }
 
+    /**
+     * 复制菜单
+     */
+    @SaCheckRole(TenantConstants.SUPER_ADMIN_ROLE_KEY)
+    @SaCheckPermission("system:menu:add")
+    @Log(title = "菜单管理", businessType = BusinessType.INSERT)
+    @PostMapping("/copy/{menuId}")
+    public R<Void> copy(@PathVariable("menuId") Long menuId, @RequestBody SysMenuBo menu) {
+        if (!menuService.checkMenuNameUnique(menu)) {
+            return R.fail("复制菜单失败，菜单名称已存在");
+        }
+        return toAjax(menuService.copyMenu(menuId, menu));
+    }
+
 }
diff --git a/ruoyi-modules/ruoyi-system/src/main/java/org/dromara/system/service/ISysMenuService.java b/ruoyi-modules/ruoyi-system/src/main/java/org/dromara/system/service/ISysMenuService.java
index a1bdbb5..9ae57ec 100644
--- a/ruoyi-modules/ruoyi-system/src/main/java/org/dromara/system/service/ISysMenuService.java
+++ b/ruoyi-modules/ruoyi-system/src/main/java/org/dromara/system/service/ISysMenuService.java
@@ -145,4 +145,13 @@ public interface ISysMenuService {
      * @return 结果
      */
     boolean checkMenuNameUnique(SysMenuBo menu);
+
+    /**
+     * 复制菜单
+     *
+     * @param menuId 源菜单ID
+     * @param menu 新菜单信息
+     * @return 结果
+     */
+    int copyMenu(Long menuId, SysMenuBo menu);
 }
diff --git a/ruoyi-modules/ruoyi-system/src/main/java/org/dromara/system/service/impl/SysMenuServiceImpl.java b/ruoyi-modules/ruoyi-system/src/main/java/org/dromara/system/service/impl/SysMenuServiceImpl.java
index 897d94a..8013665 100644
--- a/ruoyi-modules/ruoyi-system/src/main/java/org/dromara/system/service/impl/SysMenuServiceImpl.java
+++ b/ruoyi-modules/ruoyi-system/src/main/java/org/dromara/system/service/impl/SysMenuServiceImpl.java
@@ -27,7 +27,9 @@ import org.dromara.system.mapper.SysRoleMapper;
 import org.dromara.system.mapper.SysRoleMenuMapper;
 import org.dromara.system.mapper.SysTenantPackageMapper;
 import org.dromara.system.service.ISysMenuService;
+import org.springframework.beans.BeanUtils;
 import org.springframework.stereotype.Service;
+import org.springframework.transaction.annotation.Transactional;
 
 import java.util.*;
 
@@ -140,7 +142,7 @@ public class SysMenuServiceImpl implements ISysMenuService {
         return getChildPerms(menus, 0);
     }
     @Override
-    public List<SysMenu> selectMenuTreeByUserId(Long userId,int pId) {
+    public List<SysMenu> selectMenuTreeByUserId(Long userId, int pId) {
         List<SysMenu> menus;
         if (LoginHelper.isSuperAdmin(userId)) {
             menus = baseMapper.selectMenuTreeAll();
@@ -170,20 +172,74 @@ public class SysMenuServiceImpl implements ISysMenuService {
      */
     @Override
     public List<Long> selectMenuListByPackageId(Long packageId) {
+        // 1. 查询套餐信息
         SysTenantPackage tenantPackage = tenantPackageMapper.selectById(packageId);
         List<Long> menuIds = StringUtils.splitTo(tenantPackage.getMenuIds(), Convert::toLong);
         if (CollUtil.isEmpty(menuIds)) {
             return new ArrayList<>();
         }
+        // 2. 初始化结果列表
+        List<Long> result = new ArrayList<>();
+        int batchSize = 500; // 每批处理1000个参数
+
         List<Long> parentIds = null;
         if (tenantPackage.getMenuCheckStrictly()) {
             parentIds = baseMapper.selectObjs(new LambdaQueryWrapper<SysMenu>()
                 .select(SysMenu::getParentId)
-                .in(SysMenu::getMenuId, menuIds), x -> {return Convert.toLong(x);});
+                .in(SysMenu::getMenuId, menuIds), x -> {
+                return Convert.toLong(x);
+            });
         }
-        return baseMapper.selectObjs(new LambdaQueryWrapper<SysMenu>()
-            .in(SysMenu::getMenuId, menuIds)
-            .notIn(CollUtil.isNotEmpty(parentIds), SysMenu::getMenuId, parentIds), x -> {return Convert.toLong(x);});
+        if (tenantPackage.getMenuCheckStrictly()) {
+            parentIds = new ArrayList<>();
+            // 分批查询父ID
+            for (int i = 0; i < menuIds.size(); i += batchSize) {
+                int endIndex = Math.min(i + batchSize, menuIds.size());
+                List<Long> batchMenuIds = menuIds.subList(i, endIndex);
+
+                List<Long> batchParentIds = baseMapper.selectObjs(
+                    new LambdaQueryWrapper<SysMenu>()
+                        .select(SysMenu::getParentId)
+                        .in(SysMenu::getMenuId, batchMenuIds),
+                    x -> {
+                        return Convert.toLong(x);
+                    });
+                parentIds.addAll(batchParentIds);
+            }
+        }
+
+        // 4. 分批查询最终结果
+        for (int i = 0; i < menuIds.size(); i += batchSize) {
+            int endIndex = Math.min(i + batchSize, menuIds.size());
+            List<Long> batchMenuIds = menuIds.subList(i, endIndex);
+
+            LambdaQueryWrapper<SysMenu> wrapper = new LambdaQueryWrapper<SysMenu>()
+                .in(SysMenu::getMenuId, batchMenuIds);
+
+            // 如果有父ID，也需要分批处理
+            if (CollUtil.isNotEmpty(parentIds)) {
+                for (int j = 0; j < parentIds.size(); j += batchSize) {
+                    int parentEndIndex = Math.min(j + batchSize, parentIds.size());
+                    List<Long> batchParentIds = parentIds.subList(j, parentEndIndex);
+
+                    wrapper.notIn(SysMenu::getMenuId, batchParentIds);
+
+                    // 执行查询并收集结果
+                    List<Long> batchResult = baseMapper.selectObjs(wrapper, x -> {
+                        return Convert.toLong(x);
+                    });
+                    result.addAll(batchResult);
+                }
+            } else {
+                // 如果没有父ID，直接查询
+                List<Long> batchResult = baseMapper.selectObjs(wrapper, x -> {
+                    return Convert.toLong(x);
+                });
+                result.addAll(batchResult);
+            }
+        }
+
+        return result;
     }
 
     /**
@@ -301,7 +357,10 @@ public class SysMenuServiceImpl implements ISysMenuService {
     @Override
     public int insertMenu(SysMenuBo bo) {
         SysMenu menu = MapstructUtils.convert(bo, SysMenu.class);
-        return baseMapper.insert(menu);
+        int insert = baseMapper.insert(menu);
+        assert menu != null;
+        bo.setMenuId(menu.getMenuId());
+        return insert;
     }
 
     /**
@@ -342,6 +401,84 @@ public class SysMenuServiceImpl implements ISysMenuService {
         return !exist;
     }
 
+    /**
+     * 复制菜单
+     *
+     * @param menuId 源菜单ID
+     * @param menu 新菜单信息
+     * @return 结果
+     */
+    @Override
+    @Transactional(rollbackFor = Exception.class)
+    public int copyMenu(Long menuId, SysMenuBo menu) {
+        // 1. 获取源菜单信息
+        SysMenuVo sourceMenu = selectMenuById(menuId);
+        if (sourceMenu == null) {
+            throw new RuntimeException("源菜单不存在");
+        }
+
+        // 2. 创建新菜单对象
+        SysMenuBo newMenu = new SysMenuBo();
+        BeanUtils.copyProperties(sourceMenu, newMenu);
+        newMenu.setMenuId(null);
+        newMenu.setCreateTime(null);
+        newMenu.setMenuName(menu.getMenuName());
+        newMenu.setParentId(menu.getParentId());
+        newMenu.setOrderNum(menu.getOrderNum());
+        
+        // 3. 检查菜单名称是否唯一
+        if (!checkMenuNameUnique(newMenu)) {
+            throw new RuntimeException("菜单名称已存在");
+        }
+
+        // 4. 插入新菜单
+        int rows = insertMenu(newMenu);
+        if (rows > 0) {
+            // 5. 获取新插入菜单的ID
+            Long newMenuId = newMenu.getMenuId();
+            
+            // 6. 递归复制子菜单
+            copyChildMenus(menuId, newMenuId);
+        }
+        return rows;
+    }
+
+    /**
+     * 递归复制子菜单
+     *
+     * @param sourceParentId 源父菜单ID
+     * @param targetParentId 目标父菜单ID
+     */
+    private void copyChildMenus(Long sourceParentId, Long targetParentId) {
+        // 1. 查询源父菜单的所有子菜单
+        List<SysMenuVo> children = baseMapper.selectVoList(
+            new LambdaQueryWrapper<SysMenu>()
+                .eq(SysMenu::getParentId, sourceParentId)
+        );
+
+        // 2. 递归复制每个子菜单
+        if (CollUtil.isNotEmpty(children)) {
+            for (SysMenuVo child : children) {
+                // 2.1 创建新的子菜单对象
+                SysMenuBo newChildMenu = new SysMenuBo();
+                BeanUtils.copyProperties(child, newChildMenu);
+                newChildMenu.setMenuId(null);
+                newChildMenu.setCreateTime(null);
+                newChildMenu.setParentId(targetParentId);
+                newChildMenu.setMenuName(child.getMenuName());
+
+                // 2.2 插入新的子菜单
+                int rows = insertMenu(newChildMenu);
+                if (rows > 0) {
+                    // 2.3 获取新插入的子菜单ID
+                    Long newChildMenuId = newChildMenu.getMenuId();
+                    // 2.4 递归复制下一级子菜单
+                    copyChildMenus(child.getMenuId(), newChildMenuId);
+                }
+            }
+        }
+    }
+
     /**
      * 根据父节点的ID获取所有子节点
      *