diff --git a/netease_music/src/getInfo/songInfoUtils.js b/netease_music/src/getInfo/songInfoUtils.js
index 424e963..829ebae 100644
--- a/netease_music/src/getInfo/songInfoUtils.js
+++ b/netease_music/src/getInfo/songInfoUtils.js
@@ -92,6 +92,89 @@ async function fetch({ songIdArray, debug = false }) {
     await dataManager.song.insertCollection(songInfoList); // image 因为接口没有返回，所以不更新
 }
 
+// 获取音乐详情
+async function fetch_old({ songId, debug = false }) {
+    let result = await dbUtils.query('SELECT count(*) as count FROM song WHERE song_id = ?', [songId]);
+    if (result[0].count > 0 && !debug) {
+        console.log(`数据库中已有数据，跳过 songId: ${songId}`);
+        return;
+    }
+
+    let url = `https://music.163.com/song?id=${songId}`;
+    try {
+        // var html = fs.readFileSync(path.join(__dirname, "../../temp", `song-${songId}.html`), 'utf8');
+        var html = await requestUtils.getApiResult(url);
+        // fs.writeFileSync(path.join(__dirname, "../../temp", `song-${songId}.html`), html);
+    } catch (errors) {
+        console.error(errors);
+        return;
+    }
+
+    if (html.includes(`<p class="note s-fc3">很抱歉，你要查找的网页找不到</p>`)) {
+        let deleteResult1 = await dbUtils.query('DELETE FROM song_album_relation WHERE song_id = ?', [songId]);
+        let deleteResult2 = await dbUtils.query('DELETE FROM song_artist_relation WHERE song_id = ?', [songId]);
+        console.log(`song: ${songId} 不存在，从song_album_relation, song_artist_relation表中删除. affectedRows: ${deleteResult1.affectedRows}, ${deleteResult2.affectedRows}`);
+        return;
+    }
+
+    // 正则匹配
+    let regExResult = /\<script type\=\"application\/ld\+json\"\>([\S\s]*?)\<\/script\>/.exec(html);
+    let songInfoJSONString = regExResult[1];
+    let songInfoDict = JSON.parse(songInfoJSONString);
+    // console.log(songInfoDict);
+
+    // TODO 考虑歌曲别名 例如：https://music.163.com/#/song?id=26830207
+
+    let title = /<meta property="og:title" content="(.*?)" \/>/.exec(html)[1];
+    let image = /<meta property="og:image" content="http:\/\/p.\.music\.126\.net\/(.*?)" \/>/.exec(html)[1];
+    let artist = /<meta property="og:music:artist" content="(.*?)" \/>/.exec(html)[1];
+    let duration = /<meta property="music:duration" content="(.*?)"\/>/.exec(html)[1];
+    try {
+        var album = /<meta property="og:music:album" content="(.*?)"\/>/.exec(html)[1];
+        var albumId = /<meta property="music:album" content="https:\/\/music\.163\.com\/album\?id=(.*?)"\/>/.exec(html)[1];
+    } catch (err) {
+        // 歌曲不在专辑中
+    }
+
+    const reg = /<meta property="music:musician" content="https:\/\/music\.163\.com\/artist\?id=(.*?)"\/>/g;
+    let artistIds = [];
+    let matched = null;
+    while ((matched = reg.exec(html)) !== null) {
+        artistIds.push(matched[1]);
+    }
+
+    let songInfo = {
+        songId: songId,
+        title: title,
+        image: image,
+        pubDate: songInfoDict.pubDate,
+        artist: artist,
+        artistIds: artistIds,
+        album: album || null,
+        albumId: albumId || null,
+        duration: duration,
+    };
+    // console.log("songInfo", songInfo);
+    if (albumId != null)
+        dbUtils.query('INSERT IGNORE INTO song_album_relation SET ?', {
+            song_id: songInfo.songId,
+            album_id: songInfo.albumId,
+        });
+    artistIds.forEach(function (artistId) {
+        dbUtils.query('INSERT IGNORE INTO song_artist_relation SET ?', {
+            song_id: songInfo.songId,
+            artist_id: artistId,
+        });
+    });
+    dbUtils.query('INSERT IGNORE INTO song SET ?', {
+        song_id: songInfo.songId,
+        title: songInfo.title,
+        image: songInfo.image,
+        pub_date: songInfo.pubDate,
+    });
+    return songInfo;
+}
+
 module.exports = {
     fetch: fetch,
     fetchAll: fetchAll,
diff --git a/netease_music/src/getInfo/songInfoUtils.old.js b/netease_music/src/getInfo/songInfoUtils.old.js
deleted file mode 100644
index be8a7ac..0000000
--- a/netease_music/src/getInfo/songInfoUtils.old.js
+++ /dev/null
@@ -1,144 +0,0 @@
-const fs = require('fs');
-const path = require('path');
-
-const requestUtils = require('../../../utils/requestUtils');
-const sleepUtils = require('../../../utils/sleepUtils');
-
-const dbUtils = global.dbUtils;
-
-// 从数据库中查询
-async function getFromDatabase({ songId }) {
-    // 查询出专辑
-    let infoResultSet = await dbUtils.query('SELECT * FROM song WHERE song_id = ?', [songId]);
-    if (infoResultSet.length == 0) return {};
-
-    // 查出专辑与歌曲对应关系
-    let albumRelationResultSet = await dbUtils.query('SELECT * FROM song_album_relation WHERE song_id = ?', [songId]);
-    let artistRelationResultSet = await dbUtils.query('SELECT * FROM song_artist_relation WHERE song_id = ?', [songId]);
-
-    // 拼装
-    let songInfo = JSON.parse(JSON.stringify(infoResultSet[0]));
-    songInfo.albumIds = albumRelationResultSet.map(album => album.album_id);
-    songInfo.artistIds = artistRelationResultSet.map(artist => artist.artist_id);
-    return songInfo;
-}
-
-// 从数据库中查出还缺少的歌曲，并进行爬取
-async function fetchAll({ args = {} }) {
-    console.log("start fetching songs ...");
-    let whereClause = [
-        args.min ? `song_id >  ${args.min}` : '1=1',
-        args.max ? `song_id <= ${args.max}` : '1=1',
-    ].join(' AND ');
-    var sql = `
-        SELECT DISTINCT song_id FROM song_artist_relation WHERE ${whereClause} AND song_id NOT IN ( SELECT song_id FROM song )
-        UNION
-        SELECT DISTINCT song_id FROM song_album_relation  WHERE ${whereClause} AND song_id NOT IN ( SELECT song_id FROM song )
-        ${args.order ? `ORDER BY song_id ${args.order}` : ''}
-        ${args.limit ? `LIMIT ${args.limit}` : ''}
-    `;
-    console.log(sql);
-
-    var songIds = await dbUtils.query(sql, []);
-    songIds = songIds.map(item => item.song_id);
-    for (let i = 0; i < songIds.length; i++) {
-        await global.checkIsExit();
-        const songId = songIds[i];
-        console.log(`${i + 1}/${songIds.length} | song: ${songId} | ${args.min || "?"}-${args.max || "?"}`);
-        try {
-            await fetch({ songId: songId });
-        } catch (err) {
-            console.error(err);
-        }
-        await sleepUtils.sleep(global.sleepTime);
-    }
-}
-
-// 获取音乐详情
-async function fetch({ songId, debug = false }) {
-    let result = await dbUtils.query('SELECT count(*) as count FROM song WHERE song_id = ?', [songId]);
-    if (result[0].count > 0 && !debug) {
-        console.log(`数据库中已有数据，跳过 songId: ${songId}`);
-        return;
-    }
-
-    let url = `https://music.163.com/song?id=${songId}`;
-    try {
-        // var html = fs.readFileSync(path.join(__dirname, "../../temp", `song-${songId}.html`), 'utf8');
-        var html = await requestUtils.getApiResult(url);
-        // fs.writeFileSync(path.join(__dirname, "../../temp", `song-${songId}.html`), html);
-    } catch (errors) {
-        console.error(errors);
-        return;
-    }
-
-    if (html.includes(`<p class="note s-fc3">很抱歉，你要查找的网页找不到</p>`)) {
-        let deleteResult1 = await dbUtils.query('DELETE FROM song_album_relation WHERE song_id = ?', [songId]);
-        let deleteResult2 = await dbUtils.query('DELETE FROM song_artist_relation WHERE song_id = ?', [songId]);
-        console.log(`song: ${songId} 不存在，从song_album_relation, song_artist_relation表中删除. affectedRows: ${deleteResult1.affectedRows}, ${deleteResult2.affectedRows}`);
-        return;
-    }
-
-    // 正则匹配
-    let regExResult = /\<script type\=\"application\/ld\+json\"\>([\S\s]*?)\<\/script\>/.exec(html);
-    let songInfoJSONString = regExResult[1];
-    let songInfoDict = JSON.parse(songInfoJSONString);
-    // console.log(songInfoDict);
-
-    // TODO 考虑歌曲别名 例如：https://music.163.com/#/song?id=26830207
-
-    let title = /<meta property="og:title" content="(.*?)" \/>/.exec(html)[1];
-    let image = /<meta property="og:image" content="http:\/\/p.\.music\.126\.net\/(.*?)" \/>/.exec(html)[1];
-    let artist = /<meta property="og:music:artist" content="(.*?)" \/>/.exec(html)[1];
-    let duration = /<meta property="music:duration" content="(.*?)"\/>/.exec(html)[1];
-    try {
-        var album = /<meta property="og:music:album" content="(.*?)"\/>/.exec(html)[1];
-        var albumId = /<meta property="music:album" content="https:\/\/music\.163\.com\/album\?id=(.*?)"\/>/.exec(html)[1];
-    } catch (err) {
-        // 歌曲不在专辑中
-    }
-
-    const reg = /<meta property="music:musician" content="https:\/\/music\.163\.com\/artist\?id=(.*?)"\/>/g;
-    let artistIds = [];
-    let matched = null;
-    while ((matched = reg.exec(html)) !== null) {
-        artistIds.push(matched[1]);
-    }
-
-    let songInfo = {
-        songId: songId,
-        title: title,
-        image: image,
-        pubDate: songInfoDict.pubDate,
-        artist: artist,
-        artistIds: artistIds,
-        album: album || null,
-        albumId: albumId || null,
-        duration: duration,
-    };
-    // console.log("songInfo", songInfo);
-    if (albumId != null)
-        dbUtils.query('INSERT IGNORE INTO song_album_relation SET ?', {
-            song_id: songInfo.songId,
-            album_id: songInfo.albumId,
-        });
-    artistIds.forEach(function (artistId) {
-        dbUtils.query('INSERT IGNORE INTO song_artist_relation SET ?', {
-            song_id: songInfo.songId,
-            artist_id: artistId,
-        });
-    });
-    dbUtils.query('INSERT IGNORE INTO song SET ?', {
-        song_id: songInfo.songId,
-        title: songInfo.title,
-        image: songInfo.image,
-        pub_date: songInfo.pubDate,
-    });
-    return songInfo;
-}
-
-module.exports = {
-    getFromDatabase: getFromDatabase,
-    fetch: fetch,
-    fetchAll: fetchAll,
-}
\ No newline at end of file