refactor(gateway): 优化代码中的字段名称和查询逻辑

- 将 AdminNoticeVo 中的 userCount 字段注释从"接受用户数"修改为"接收用户数"
- 修复 MenuServiceImpl 中上级菜单查询逻辑的错误，将条件从菜单 ID 修改为菜单 PID

src/main/java/com/zsc/edu/gateway/modules/message/vo/AdminNoticeVo.java

@@ -13,7 +13,7 @@ public class AdminNoticeVo {
      */
     private Long id;
     /**
-     * 接受用户数
+     * 接收用户数
      */
     private Long userCount;
     /**

src/main/java/com/zsc/edu/gateway/modules/system/service/impl/MenuServiceImpl.java

@@ -48,7 +48,7 @@ public class MenuServiceImpl extends ServiceImpl<MenuRepository, Menu> implement
         if (baseMapper.exists(new LambdaQueryWrapper<Menu>().eq(Menu::getPermissions, dto.getPermissions()))) {
             throw new ConstraintException("该权限已存在!请检查输入表单是否出错!");
         }
-        if (baseMapper.selectOne(new LambdaQueryWrapper<Menu>().eq(Menu::getPid, dto.getPid())) == null && dto.getPid() != null) {
+        if (baseMapper.selectOne(new LambdaQueryWrapper<Menu>().eq(Menu::getId, dto.getPid())) == null && dto.getPid() != null) {
             throw new ConstraintException("上级菜单不存在!请检查输入表单是否出错!");
         }
         Menu menu = mapper.toEntity(dto);