diff --git a/docs/README.md b/docs/README.md
index 92320b3..27f076e 100644
--- a/docs/README.md
+++ b/docs/README.md
@@ -227,6 +227,8 @@ $ sudo docker run -d -p 3000:3000 netease-music-api
 
 **接口地址 :** `/login/cellphone`
 
+**可选参数 :** `countrycode`: 国家码，用于国外手机号登陆，例如美国传入：`1`
+
 **调用例子 :** `/login/cellphone?phone=xxx&password=yyy`
 
 #### 2. 邮箱登录
diff --git a/module/login_cellphone.js b/module/login_cellphone.js
index a3f4525..9e5c9c4 100644
--- a/module/login_cellphone.js
+++ b/module/login_cellphone.js
@@ -5,6 +5,7 @@ const crypto = require('crypto')
 module.exports = (query, request) => {
     const data = {
         phone: query.phone,
+        countrycode: query.countrycode,
         password: crypto.createHash('md5').update(query.password).digest('hex'),
         rememberLogin: 'true'
     }
@@ -12,4 +13,4 @@ module.exports = (query, request) => {
         'POST', `https://music.163.com/weapi/login/cellphone`, data,
         {crypto: 'weapi', ua: 'pc', cookie: query.cookie, proxy: query.proxy}
     )
-}
\ No newline at end of file
+}