diff --git a/CHANGELOG.MD b/CHANGELOG.MD
index d3846dfc05ee6731d4885ca82aca360013481bb2..d8f7646fd7c35e918484ae91d5db787b55f46bea 100644
--- a/CHANGELOG.MD
+++ b/CHANGELOG.MD
@@ -1,5 +1,9 @@
 # 更新日志
 
+### 2.20.4 | 2018.09.27
+
+修复点赞失效的问题
+
 ### 2.20.3 | 2018.09.26
 
 - 增加退出登陆接口
diff --git a/docs/README.md b/docs/README.md
index 3bdff7431b8af82d107c777f7416453c5e1c1439..a1df98fcdfb4f2b0fcf404afc3b95ffe63e42a78 100644
--- a/docs/README.md
+++ b/docs/README.md
@@ -844,8 +844,7 @@ mp3url 不能直接用 , 可通过 `/music/url` 接口传入歌曲 id 获取具
 
 **接口地址 :** `comment/like`
 
-**调用例子 :** `/comment/like?id=186016&cid=4956438&t=1&type=0` 对应给晴天最热门
-的那条评论点赞
+**调用例子 :** `/comment/like?id=29178366&cid=12840183&t=1&type=0` 对应给 [https://music.163.com/#/song?id=29178366](https://music.163.com/#/song?id=29178366) 最热门的评论点赞
 
 ### 发送/删除评论
 
diff --git a/package.json b/package.json
index 531014df065f067e4b99aff92866b326a6cebc3c..fb1355c14f9be5401d982229adac4ddfc49d0a13 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "NeteaseCloudMusicApi",
-  "version": "2.20.3",
+  "version": "2.20.4",
   "description": "网易云音乐 NodeJS 版 API",
   "scripts": {
     "start": "node app.js",
diff --git a/router/comment_like.js b/router/comment_like.js
index ff5706ef46ad9292c6002c2304b0134bb1b3c680..041568f322c8c6835e3e2a4ef87aef74fd27de13 100644
--- a/router/comment_like.js
+++ b/router/comment_like.js
@@ -1,6 +1,7 @@
 //comment like
 module.exports = (req, res, createWebAPIRequest, request) => {
-  const cookie = req.get('Cookie') ? req.get('Cookie') : ''
+  let cookie = req.get('Cookie') ? req.get('Cookie') : ''
+  cookie += ';os=pc;'
   const cid = req.query.cid //评论 id
   const id = req.query.id
   const typeMap = {