feat: 更新E3系统界面和配置以支持中文显示

- 添加UTF-8 BOM头到所有文件
- 修改页面标题和按钮文字为中文
- 更新Web.config支持中文编码和区域设置
- 改进界面描述文字使其更清晰

Web.config

@@ -1,4 +1,4 @@
-<?xml version="1.0" encoding="utf-8"?>
+<?xml version="1.0" encoding="utf-8"?>
 <configuration>
   <connectionStrings>
     <add name="E3_ycsysConnection" 
@@ -8,6 +8,7 @@
   <system.web>
     <compilation debug="true" 
                 tempDirectory="C:\temp\aspnet_temp" />
-    <globalization requestEncoding="utf-8" responseEncoding="utf-8" />
+   
+	<globalization fileEncoding="gb2312" requestEncoding="utf-8" responseEncoding="utf-8" culture="zh-CN" uiCulture="zh-CN"/>
   </system.web>
 </configuration>