易达外贸建站系统 2.0 更新内容：1.优化了全部后台代码。2.修复了几处小BUG。3.修复了几个文件的文件格式为UTF-8。-VTech Foreign Trade Station system 2.0 update: 1. Optimize all the code-behind. 2 fixes several minor BUG. 3 fixes several files in the file format UTF-8.