diff --git a/CHANGELOG.MD b/CHANGELOG.MD
index 62331db2c855618f9950cdb5580fc69fe51236d6..22194130595a5bf6720f9e994f0995e7161182d7 100644
--- a/CHANGELOG.MD
+++ b/CHANGELOG.MD
@@ -1,4 +1,14 @@
 # 更新日志
+### 3.18.0 | 2019.06.29
+- 新增 `更换绑定手机接口`
+
+#### Breaking change
+1. 调整注册接口由 `/captch/register` 修改为 `/register/cellphone`
+
+2. 调整发送短信接口由 `/captch/sent` 修改为 `/captcha/sent`
+
+3. 调整短信验证接口由 `/captch/verify` 修改为 `/captcha/verify`
+
 ### 3.17.0 | 2019.06.29
 - 新增 `专辑动态信息` `热搜列表(详细)` 接口,更新文档
 
diff --git a/README.MD b/README.MD
index 43c53d555e901eef43dc703fb3be1d050478d14a..999d243f35a19a34410c5ffe82c0319eed5b63c8 100644
--- a/README.MD
+++ b/README.MD
@@ -143,6 +143,7 @@
 120. 收藏/取消收藏专辑
 121. 专辑动态信息
 122. 热搜列表(详细)
+123. 更换绑定手机
 
 
 ## 环境要求
diff --git a/docs/README.md b/docs/README.md
index 842903c8e4ce1d675b4038ce0ec4d3ea6bd14b29..aaf0d54b1d9cac5c580a404191b11bf574d08a72 100644
--- a/docs/README.md
+++ b/docs/README.md
@@ -138,6 +138,7 @@
 120. 收藏/取消收藏专辑
 121. 专辑动态信息
 122. 热搜列表(详细)
+123. 更换绑定手机
 
 ## 安装
 
@@ -305,9 +306,9 @@ Cookies
 **可选参数 :**
 `ctcode`:  国家区号,默认86即中国
 
-**接口地址 :** `/captch/sent`
+**接口地址 :** `/captcha/sent`
 
-**调用例子 :** `/captch/sent?phone=13xxx`
+**调用例子 :** `/captcha/sent?phone=13xxx`
 
 
 
@@ -323,16 +324,16 @@ Cookies
 
 `ctcode`:  国家区号,默认86即中国
 
-**接口地址 :** `/captch/verify`
+**接口地址 :** `/captcha/verify`
 
-**调用例子 :** `/captch/verify?phone=13xxx&captcha=1597`
+**调用例子 :** `/captcha/verify?phone=13xxx&captcha=1597`
 
 
 ### 注册(修改密码)
 
 说明 : 调用此接口 ,传入手机号码和验证码,密码,昵称, 可注册网易云音乐账号(同时可修改密码)
 
-**必选参数 :** `phone`: 手机号码  
+**必选参数 :** 
 
 `captcha`: 验证码
 
@@ -342,9 +343,25 @@ Cookies
 
 `nickname`: 昵称
 
-**接口地址 :** `/captch/register`
+**接口地址 :** `/register/cellphone`
+
+**调用例子 :** `/register/cellphone?phone=13xxx&password=xxxxx&captcha=1234&nickname=binary1345`
+
+### 更换绑定手机
+说明 : 调用此接口 ,可更换绑定手机(流程:先发送验证码到原手机号码,再发送验证码到新手机号码然后再调用此接口)
+
+**必选参数 :** 
+`oldcaptcha`: 原手机验证码
+
+`captcha`: 新手机验证码
+
+`phone` :  手机号码  
+
+`ctcode` :  国家区号,默认86即中国
+
+**接口地址 :** `/rebind`
 
-**调用例子 :** `/captch/register?phone=13xxx&password=xxxxx&captcha=1234&nickname=binary1345`
+**调用例子 :** `/rebind?phone=xxx&oldcaptcha=1234&captcha=5678`
 
 ### 退出登录
 
diff --git a/module/captch_sent.js b/module/captcha_sent.js
similarity index 100%
rename from module/captch_sent.js
rename to module/captcha_sent.js
diff --git a/module/captch_verify.js b/module/captcha_verify.js
similarity index 100%
rename from module/captch_verify.js
rename to module/captcha_verify.js
diff --git a/module/rebind.js b/module/rebind.js
new file mode 100644
index 0000000000000000000000000000000000000000..c7d5e12b7d7bc7fcef2b32bc99676f605dc85856
--- /dev/null
+++ b/module/rebind.js
@@ -0,0 +1,16 @@
+// 更换手机
+
+module.exports = (query, request) => {
+  const data = {
+    captcha: query.captcha,
+    phone: query.phone,
+    oldcaptcha: query.oldcaptcha,
+    ctcode: query.ctcode || "86"
+  };
+  return request(
+    "POST",
+    `https://music.163.com/api/user/replaceCellphone`,
+    data,
+    { crypto: "weapi", cookie: query.cookie, proxy: query.proxy }
+  );
+};
diff --git a/module/captch_register.js b/module/register_cellphone.js
similarity index 100%
rename from module/captch_register.js
rename to module/register_cellphone.js
diff --git a/package.json b/package.json
index 094d78d4099828423a547a69cd5ffeab006a20b5..b694a31e55e35d39edafe58775799bd4d6ac1c74 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "NeteaseCloudMusicApi",
-  "version": "3.17.0",
+  "version": "3.18.0",
   "description": "网易云音乐 NodeJS 版 API",
   "scripts": {
     "start": "node app.js",