fix: improve FilePersistenceService code quality and security

wanshenmean

2026-03-13 efbfb630f60f6663deba83ec12c1fbf2f9bab183

 Code/WMS/WIDESEA_WMSServer/WIDESEA_SystemService/Sys_MenuService.cs

@@ -1,4 +1,4 @@
using AutoMapper;
using MapsterMapper;
using SqlSugar;
using System;
using System.Collections.Concurrent;