feat: 更新说明文档

Author: fxss5201

README-zh.md

@@ -10,6 +10,7 @@
 
 1. 主题切换
 2. 多语言
+   1. 支持通过命令行导出（excel/json/md）、导入(excel/json/md)多语言文件
 3. 路由中间件
 4. 路由对象可配置 是否缓存 、权限、水印及以下布局调整：
    1. 在菜单中是否隐藏该路由

README.md

@@ -12,6 +12,7 @@ It can be configured as both a display website and a backend management system.
 
 1. Theme Switching
 2. Multi-language Support
+   1. Supports exporting (excel/json/md) and importing (excel/json/md) multi-language files through the command line
 3. Route Middleware
 4. Configurable Route Objects (caching, permissions, watermark, and layout adjustments):
    1. Hide route in menu