diff --git a/CHANGELOG.MD b/CHANGELOG.MD
index eaf8a1d..c83fb44 100644
--- a/CHANGELOG.MD
+++ b/CHANGELOG.MD
@@ -1,4 +1,7 @@
 # 更新日志
+### 3.18.4 | 2019.07.14
+- 修复部分歌曲无法获得播放链接的问题 [#531](https://github.com/Binaryify/NeteaseCloudMusicApi/issues/531)
+
 ### 3.18.3 | 2019.07.04
 - 修复全部 mv`/mv/all` 接口分页参数错误的问题 [#524](https://github.com/Binaryify/NeteaseCloudMusicApi/issues/524)
 
diff --git a/module/song_url.js b/module/song_url.js
index 7e3ff96..efe67d6 100644
--- a/module/song_url.js
+++ b/module/song_url.js
@@ -4,6 +4,7 @@ const crypto = require('crypto')
 
 module.exports = (query, request) => {
     if(!('MUSIC_U' in query.cookie)) query.cookie._ntes_nuid = crypto.randomBytes(16).toString("hex")
+    query.cookie.os = 'pc'
     const data = {
         ids: '[' + query.id + ']',
         br: parseInt(query.br || 999000)
diff --git a/package.json b/package.json
index 94100a3..3af970d 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "NeteaseCloudMusicApi",
-  "version": "3.18.3",
+  "version": "3.18.4",
   "description": "网易云音乐 NodeJS 版 API",
   "scripts": {
     "start": "node app.js",