diff --git a/module/playlist_track_all.js b/module/playlist_track_all.js
index 9e56134..06758f5 100644
--- a/module/playlist_track_all.js
+++ b/module/playlist_track_all.js
@@ -9,7 +9,7 @@ module.exports = (query, request) => {
     s: query.s || 8,
   }
   //不放在data里面避免请求带上无用的数据
-  let limit = parseInt(query.limit) || Infinity
+  let limit = parseInt(query.limit) || 1000
   let offset = parseInt(query.offset) || 0
 
   return request(`/api/v6/playlist/detail`, data, createOption(query)).then(
diff --git a/module/song_detail.js b/module/song_detail.js
index ed96470..adcd947 100644
--- a/module/song_detail.js
+++ b/module/song_detail.js
@@ -2,6 +2,7 @@
 
 const createOption = require('../util/option.js')
 module.exports = (query, request) => {
+  // 歌曲数量不要超过1000
   query.ids = query.ids.split(/\s*,\s*/)
   const data = {
     c: '[' + query.ids.map((id) => '{"id":' + id + '}').join(',') + ']',