diff --git a/src/http/service.ts b/src/http/service.ts
index d2fee97..1b95fb5 100644
--- a/src/http/service.ts
+++ b/src/http/service.ts
@@ -5,6 +5,7 @@ import signGenerator from './sign';
 import qs from 'qs';
 import store from '../store';
 import { notification } from 'antd';
+import { TRADER_LANGUAGE } from '../language';
 
 const service = axios.create(axiosConfig);
 
@@ -23,9 +24,10 @@ service.interceptors.request.use(
     (config.headers as any).sign = sign;
     (config.headers as any).timestamp = timestamp;
     (config.headers as any).Token = store.state.token;
+    (config.headers as any).Lang = window.localStorage.getItem(TRADER_LANGUAGE) || "zh";
 
     if (config.data instanceof FormData) return config;
-    
+
     if (config.data) {
       config.data = JSON.stringify(config.data);
     }