diff --git a/CHANGELOG.MD b/CHANGELOG.MD
index 5e0c953e4bbb916072072a6b182aa1cedbca32a7..e71c9401cc1bc9615a72b3882f9a96987e7b366a 100644
--- a/CHANGELOG.MD
+++ b/CHANGELOG.MD
@@ -1,5 +1,9 @@
 # 更新日志
 
+### 2.8.6 | 2018.01.16
+
+修复歌单详情接口数据不完整的问题
+
 ### 2.8.5 | 2018.01.16
 
 修复评论点赞失败的问题
diff --git a/package.json b/package.json
index b014d80856699a2955d9b15cd2560d32a50396e1..1cfc1ea3b54feaeb9cbe0ed0dfec0f16542ff49d 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "NeteaseCloudMusicApi",
-  "version": "2.8.5",
+  "version": "2.8.6",
   "description": "网易云音乐 NodeJS 版 API",
   "scripts": {
     "start": "node app.js",
diff --git a/router/playlist_detail.js b/router/playlist_detail.js
index f8652fd02170bf8cb44ce2c661d988407aff2496..d075854c2602a4d272d92b00d34c64f598f6981b 100644
--- a/router/playlist_detail.js
+++ b/router/playlist_detail.js
@@ -7,6 +7,7 @@ router.get("/", (req, res) => {
   const cookie = req.get("Cookie") ? req.get("Cookie") : "";
   const data = {
     id: req.query.id,
+    n: 100000,
     csrf_token: ""
   };
 
@@ -17,44 +18,14 @@ router.get("/", (req, res) => {
     data,
     cookie,
     music_req => {
-      // console.log(music_req)
+      // console.log(JSON.parse(music_req).playlist.tracks.length)
+      // console.log(JSON.parse(music_req).playlist.trackIds.length)
       res.send(music_req);
     },
     err => {
       res.status(502).send("fetch error");
     }
   );
-
-  // FIXME:i dont know the api to get coverimgurl
-  // so i get it by parsing html
-  // const http_client = http.get({
-  //   hostname: 'music.163.com',
-  //   path: '/playlist?id=' + req.query.id,
-  //   headers: {
-  //     'Referer': 'http://music.163.com',
-  //   },
-  // }, function (res) {
-  //   res.setEncoding('utf8')
-  //   let html = ''
-  //   res.on('data', function (chunk) {
-  //     html += chunk
-  //   })
-  //   res.on('end', function () {
-  //     console.log('end', html)
-  //     const regImgCover = /\<img src=\"(.*)\" class="j-img"/ig
-  //     imgurl = regImgCover.exec(html)[1]
-  //     mergeRes()
-
-  //   })
-  // })
-
-  // function mergeRes() {
-  //   if (imgurl != undefined && detail != undefined) {
-  //     detail = JSON.parse(detail)
-  //     detail.playlist.picUrl = imgurl
-  //     res.send(detail)
-  //   }
-  // }
 });
 
 module.exports = router;
diff --git a/util/util.js b/util/util.js
index 44b4c7775cfaa5a34a4ce01951b3bcb0d1d516d5..e3a71749eb7e11ae7bc2082fd6c2b4a6f9c6ba73 100644
--- a/util/util.js
+++ b/util/util.js
@@ -39,7 +39,7 @@ function createWebAPIRequest(
   callback,
   errorcallback
 ) {
-  console.log(cookie);
+  // console.log(cookie);
   const proxy = cookie.split("__proxy__")[1];
   cookie = cookie.split("__proxy__")[0];
   const cryptoreq = Encrypt(data);
@@ -71,7 +71,9 @@ function createWebAPIRequest(
       //如： Domain=.music.163.com
       let cookie = res.headers["set-cookie"];
       if (Array.isArray(cookie)) {
-        cookie = cookie.map(x => x.replace(/.music.163.com/g, "")).sort((a, b) => a.length - b.length)
+        cookie = cookie
+          .map(x => x.replace(/.music.163.com/g, ""))
+          .sort((a, b) => a.length - b.length);
       }
       callback(body, cookie);
     }