fix: 修复多处表单验证与数据流转的缺陷，优化系统消息推送逻辑

hsy

2026-08-31 1704e30de33833817a5fce4c4ab0b94ac8ce1cc6

 src/main/java/com/ruoyi/project/system/domain/SysNotice.java

@@ -1,7 +1,7 @@
package com.ruoyi.project.system.domain;



import javax.validation.constraints.NotBlank;

import javax.validation.constraints.Size;

import jakarta.validation.constraints.NotBlank;

import jakarta.validation.constraints.Size;



import com.baomidou.mybatisplus.annotation.*;

import com.fasterxml.jackson.annotation.JsonFormat;