feat: 优化细节

src/sheep/request/index.js

@@ -84,6 +84,7 @@ request.interceptors.request.use(
     // 添加语言请求头
     const currentLanguage = getCurrentLanguage();
     config.headers['Accept-Language'] = currentLanguage;
+    config.headers['lang'] = currentLanguage;
 
     // 🔑 API路由处理
     const processedConfig = apiRouting.processRequest(config);