diff --git a/.babelrc b/.babelrc
deleted file mode 100644
index 3c26bf89..00000000
--- a/.babelrc
+++ /dev/null
@@ -1,7 +0,0 @@
-{
-  "presets": ["es2015"],
-  "plugins": [
-    "add-module-exports",
-    "transform-object-rest-spread"
-  ]
-}
\ No newline at end of file
diff --git a/.github/ISSUE_TEMPLATE/bug_report.md b/.github/ISSUE_TEMPLATE/bug_report.md
deleted file mode 100644
index b7353733..00000000
--- a/.github/ISSUE_TEMPLATE/bug_report.md
+++ /dev/null
@@ -1,35 +0,0 @@
----
-name: Bug report
-about: Create a report to help us improve
-
----
-
-**Describe the bug**
-A clear and concise description of what the bug is.
-
-**To Reproduce**
-Steps to reproduce the behavior:
-1. Go to '...'
-2. Click on '....'
-3. Scroll down to '....'
-4. See error
-
-**Expected behavior**
-A clear and concise description of what you expected to happen.
-
-**Screenshots**
-If applicable, add screenshots to help explain your problem.
-
-**Desktop (please complete the following information):**
- - OS: [e.g. iOS]
- - Browser [e.g. chrome, safari]
- - Version [e.g. 22]
-
-**Smartphone (please complete the following information):**
- - Device: [e.g. iPhone6]
- - OS: [e.g. iOS8.1]
- - Browser [e.g. stock browser, safari]
- - Version [e.g. 22]
-
-**Additional context**
-Add any other context about the problem here.
diff --git a/.gitignore b/.gitignore
deleted file mode 100644
index ade8cd3b..00000000
--- a/.gitignore
+++ /dev/null
@@ -1,8 +0,0 @@
-.DS_Store
-.idea
-/node_modules
-/demo/test-standalone.html
-/demo/test-quick-start.html
-/demo/test-API.html
-/demo/test-player.html
-/demo/test-android.html
diff --git a/LICENSE b/LICENSE
deleted file mode 100644
index fd6dbbdc..00000000
--- a/LICENSE
+++ /dev/null
@@ -1,21 +0,0 @@
-MIT License
-
-Copyright (c) 2018 cdnbye
-
-Permission is hereby granted, free of charge, to any person obtaining a copy
-of this software and associated documentation files (the "Software"), to deal
-in the Software without restriction, including without limitation the rights
-to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
-copies of the Software, and to permit persons to whom the Software is
-furnished to do so, subject to the following conditions:
-
-The above copyright notice and this permission notice shall be included in all
-copies or substantial portions of the Software.
-
-THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
-IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
-FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
-AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
-LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
-OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
-SOFTWARE.
diff --git a/demo/test-API.html b/demo/test-API.html
deleted file mode 100644
index 86b6be3d..00000000
--- a/demo/test-API.html
+++ /dev/null
@@ -1,103 +0,0 @@
-<script src="../dist/hls.min.js"></script>
-<!--<script src="../dist/hls.min.js"></script>-->
-<video id="video" controls></video>
-<p id="version"></p>
-<h3>download info:</h3>
-<p id="info"></p>
-<table id="table-body">
-    <tbody ></tbody>
-</table>
-<script>
-    document.querySelector('#version').innerText = `hls.js version: ${Hls.version}  cdnbye version: ${Hls.engineVersion}`;
-    if(Hls.isSupported()) {
-        var video = document.getElementById('video');
-        var hls = new Hls({p2pConfig: {
-            logLevel: 'debug',
-            p2pEnabled: true,
-                // announce: 'https://tracker.klink.tech',
-            // wsSignalerAddr: 'wss://free.freesignal.net',
-            //     announce: "https://tracker.cdnbye.com:8090/v1",
-            segmentId: function (level, sn, url) {
-                console.warn(`segmentId level ${level} sn ${sn} url ${url}`);
-                return `${level}-${sn}`
-            },
-            channelId: function (m3u8Url) {
-                console.warn(`m3u8Url ${m3u8Url}`);
-                return m3u8Url;
-            },
-            validateSegment: function (level, sn, buffer) {
-                console.warn(`validateSegment level ${level} sn ${sn}`);
-                return true;
-            },
-            getStats: function (totalP2PDownloaded, totalP2PUploaded, totalHTTPDownloaded) {
-                console.warn(`p2pConfig`);
-                console.warn(`totalP2PDownloaded ${totalP2PDownloaded} totalP2PUploaded ${totalP2PUploaded} totalHTTPDownloaded ${totalHTTPDownloaded}`)
-            },
-            getPeerId: function (peerId) {
-                console.warn(`p2pConfig`);
-                console.warn(`peerId ${peerId}`)
-            },
-            getPeersInfo: function (peers) {
-                console.warn(`p2pConfig`);
-                console.warn(`peers: ${peers}`)
-            }
-        }});
-       hls.loadSource('https://test-streams.mux.dev/x36xhzz/x36xhzz.m3u8');
-        // hls.loadSource('https://video-dev.github.io/streams/x36xhzz/x36xhzz.m3u8');
-        hls.attachMedia(video);
-        hls.on(Hls.Events.MANIFEST_PARSED,function(event, data) {
-            video.play();
-        });
-        var total = 0, p2p = 0;
-        hls.on(Hls.Events.FRAG_LOADED, (id, data) => {
-            var frag = data.frag;
-//            console.log(`frag.loadByP2P ${frag.loadByP2P} frag.loadByHTTP ${frag.loadByHTTP}`)
-            var source = undefined;
-            if (frag.loadByHTTP === true || frag.loadByHTTP === undefined) {
-                source = 'CDN';
-            } else if (frag.loadByP2P === true) {
-                source = 'P2P';
-            }
-            addToTable(frag.relurl, frag.loaded, source);
-            total += frag.loaded;
-            if (source === 'P2P') p2p += frag.loaded;
-            document.querySelector('#info').innerText = `p2p ratio: ${Math.round(p2p/total*100)}%   saved traffic: ${Math.round(p2p/1024)}KB`;
-        });
-        function addToTable(url, downloaded, source) {
-            var infoStr = `download ${url}(size:${downloaded}B) by ${source}`;
-            document.querySelector('#table-body tbody').innerHTML +=
-                `<tr style="text-align: center">
-                    <td>${infoStr}</td>
-                </tr>`
-        };
-
-//        console.warn(`test engineVersion ${Hls.engineVersion}`);
-//        console.warn(`test WEBRTC_SUPPORT ${Hls.WEBRTC_SUPPORT}`);
-
-        hls.p2pEngine.on('peerId', function (peerId) {
-           console.warn(`test peerId`);
-           console.warn(`peerId: ${peerId}`)
-        });
-
-        hls.p2pEngine.on('peers', function (peers) {
-           console.warn(`test peers`);
-           console.warn(`peers: ${peers}`)
-        });
-
-        hls.p2pEngine.on('stats', function (stats) {
-           console.warn(`test stats`);
-           console.warn(`stats: ${JSON.stringify(stats)}`)
-        });
-
-        window.setTimeout(function () {
-            hls.p2pEngine.disableP2P();
-           // hls.destroy();
-//
-
-        }, 30000);
-
-        window.setTimeout(function () {
-            hls.p2pEngine.enableP2P();
-        }, 50000);
-    }
-</script>
diff --git a/demo/test-android.html b/demo/test-android.html
deleted file mode 100644
index f4303370..00000000
--- a/demo/test-android.html
+++ /dev/null
@@ -1,74 +0,0 @@
-<script src="../dist/hls.js"></script>
-<!--<script src="../dist/hls.min.js"></script>-->
-<!--<script src="../dist/hls.light.min.js"></script>-->
-<script src="https://cdn.jsdelivr.net/npm/vconsole@latest"></script>
-<video id="video" controls></video>
-<p id="version"></p>
-<h3>download info:</h3>
-<p id="info"></p>
-<table id="table-body">
-    <tbody ></tbody>
-</table>
-<script>
-    var vConsole = new VConsole();
-    document.querySelector('#version').innerText = `hls.js version: ${Hls.version}  cdnbye version: ${Hls.engineVersion}`;
-    if(Hls.isSupported() && Hls.WEBRTC_SUPPORT) {
-        var video = document.getElementById('video');
-        var hls = new Hls({
-//            "maxBufferSize": 5,
-//            aa: 7,
-            enableWorker: true,
-            p2pConfig: {
-                logLevel: 'debug',
-//                channelId: function (url) {
-//                    return url;
-//                }
-                announce: "https://api.cdnbye.com/v1",
-                // p2pEnabled: false,
-//                announce: 'https://tracker.cdnbye.com/v1',
-//                tag: 'fa'
-//                wsSignalerAddr: 'wss://free.freesignal.net',
-//                 agent: 'btjson',
-//                webRTCConfig: {
-//                    config: {         // custom webrtc configuration (used by RTCPeerConnection constructor)
-//                        iceServers: [
-//                            { urls: 'stun:global.stun.twilio.com:3478?transport=udp' }
-//                        ]
-//                    }
-//                }
-            }});
-        // hls.loadSource('https://wowza.peer5.com/live/smil:bbb_abr.smil/playlist.m3u8');
-        // hls.loadSource('https://wowza.peer5.com/live/smil:bbb_abr.smil/chunklist_w2001959411_b968000.m3u8');
-        hls.loadSource('https://test-streams.mux.dev/x36xhzz/x36xhzz.m3u8');
-        //  hls.loadSource('https://cdn1.chlpdq.com/20180904/8gl67coO/index.m3u8');
-//        hls.loadSource('https://doubanzyv1.tyswmp.com/2018/09/27/TxDKndAuZ63ObKYI/playlist.m3u8');
-//        hls.loadSource('https://1257070836.vod2.myqcloud.com/0cf6732evodtransgzp1257070836/81fe3a525285890782510564774/v.f220.m3u8');
-        hls.attachMedia(video);
-        hls.on(Hls.Events.MANIFEST_PARSED,function(event, data) {
-            video.play();
-        });
-        hls.on(Hls.Events.FRAG_LOADED, (id, data) => {
-            var frag = data.frag;
-            var source = undefined;
-            if (frag.loadByHTTP === true || frag.loadByHTTP === undefined) {
-                source = 'HTTP';
-            } else if (frag.loadByP2P === true) {
-                source = 'P2P';
-            }
-            addToTable(frag.relurl, frag.loaded, source, frag.fromPeerId);
-        });
-        hls.p2pEngine.on('stats', function ({totalHTTPDownloaded, totalP2PDownloaded, totalP2PUploaded}) {
-//            console.warn(`totalHTTPDownloaded ${totalHTTPDownloaded} totalP2PDownloaded ${totalP2PDownloaded} totalP2PUploaded ${totalP2PUploaded}`)
-            var total = totalHTTPDownloaded + totalP2PDownloaded;
-            document.querySelector('#info').innerText = `p2p ratio: ${Math.round(totalP2PDownloaded/total*100)}%   saved traffic: ${totalP2PDownloaded}KB  uploaded data:${totalP2PUploaded}KB`;
-        })
-        function addToTable(url, downloaded, source, fromPeerId) {
-            var fromPeer = fromPeerId ? `from ${fromPeerId}` : ``;
-            var infoStr = `download ${url}(size:${downloaded}B) by ${source} ${fromPeer}`;
-            document.querySelector('#table-body tbody').innerHTML +=
-                `<tr style="text-align: center">
-                    <td>${infoStr}</td>
-                </tr>`
-        };
-    }
-</script>
diff --git a/demo/test-player.html b/demo/test-player.html
deleted file mode 100644
index adca351f..00000000
--- a/demo/test-player.html
+++ /dev/null
@@ -1,53 +0,0 @@
-<meta charset="UTF-8">
-<link rel="stylesheet" href="https://cdn.jsdelivr.net/npm/p2p-dplayer@latest/dist/DPlayer.min.css">
-<style type="text/css">
-    body,html{width:100%;height:100%;background:#000;padding:0;margin:0;overflow-x:hidden;overflow-y:hidden}
-    *{margin:0;border:0;padding:0;text-decoration:none}
-    #stats{position:fixed;top:5px;left:10px;font-size:12px;color:#fdfdfd;z-index:2147483647;text-shadow:1px 1px 1px #000, 1px 1px 1px #000}
-    #dplayer{position:inherit}
-</style>
-<div id="dplayer"></div>
-<div id="stats"></div>
-<!--<script src="//cdn.jsdelivr.net/npm/cdnbye@latest"></script>-->
-<script src="../dist/hls.js"></script>
-<script src="//cdn.jsdelivr.net/npm/p2p-dplayer@latest"></script>
-<script>
-    var dp = new DPlayer({
-        container: document.getElementById('dplayer'),
-        autoplay: true,
-        video: {
-            url: 'https://baidu.com-v-baidu.com/20180808/5411_8534bc42/index.m3u8',
-            type: 'hls'
-        },
-        hlsjsConfig: {
-//            debug: false,
-            maxBufferLength: 10,
-            // Other hlsjsConfig options provided by hls.js
-            p2pConfig: {
-                logLevel: true,
-                live: false,
-                // Other p2pConfig options provided by CDNBye
-                // https://docs.cdnbye.com/#/API
-            }
-        }
-    });
-    var _peerId = '', _peerNum = 0, _totalP2PDownloaded = 0, _totalP2PUploaded = 0;
-    dp.on('stats', function (stats) {
-        _totalP2PDownloaded = stats.totalP2PDownloaded;
-        _totalP2PUploaded = stats.totalP2PUploaded;
-        updateStats();
-    });
-    dp.on('peerId', function (peerId) {
-        _peerId = peerId;
-    });
-    dp.on('peers', function (peers) {
-        _peerNum = peers.length;
-        updateStats();
-    });
-
-    function updateStats() {
-        var text = 'CDNBye P2P正在为您加速' + (_totalP2PDownloaded/1024).toFixed(2)
-            + 'MB 已分享' + (_totalP2PUploaded/1024).toFixed(2) + 'MB' + ' 连接节点' + _peerNum + '个';
-        document.getElementById('stats').innerText = text
-    }
-</script>
\ No newline at end of file
diff --git a/demo/test-quick-start.html b/demo/test-quick-start.html
deleted file mode 100644
index 9c599304..00000000
--- a/demo/test-quick-start.html
+++ /dev/null
@@ -1,85 +0,0 @@
-<!--<script src="../dist/hls.js"></script>-->
-<script src="../dist/hls.min.js"></script>
-<!--<script src="../dist/hls.light.min.js"></script>-->
-<!--<script src="https://cdn.jsdelivr.net/npm/cdnbye@0.4.2"></script>-->
-<video id="video" controls></video>
-<p id="version"></p>
-<h3>download info:</h3>
-<p id="info"></p>
-<table id="table-body">
-    <tbody ></tbody>
-</table>
-<script>
-    document.querySelector('#version').innerText = `hls.js version: ${Hls.version}  cdnbye version: ${Hls.engineVersion}`;
-    if(Hls.isSupported() && Hls.WEBRTC_SUPPORT) {
-        var video = document.getElementById('video');
-        var hls = new Hls({
-           // maxBufferLength: 30,
-//             enableWorker: true,
-            p2pConfig: {
-                // logLevel: 'debug',
-                live: true,        // set to true in live mode
-                // wsSignalerAddr: 'wss://signalcloud.cdnbye.com',
-
-
-//                channelId: function (url) {
-//                    return url;
-//                }
-//                 announce: "https://tracker.cdnbye.com:8090/v1",
-//                 wsSignalerAddr:'ws://signal.wicket.pw',
-                // wsSignalerAddr:'ws://signalhub.cdnbye.com/ws',
-//                 announce: "http://127.0.0.1:8089/v1",
-                // announce: "http://134.175.221.68:8088/v1",
-                // announce: "https://tracker.cdnbye.com:8090/v1",
-                // p2pEnabled: false,
-               // announce: 'https://tracker.cdnbye.com/v2',
-//                tag: 'fa'
-//                wsSignalerAddr: 'wss://free.freesignal.net',
-//                wsSignalerAddr: 'wss://webp2p.egame.qq.com/ws',
-//                wsSignalerAddr: 'ws://localhost:9002',
-
-               // wsSignalerAddr: 'ws://222.186.50.155:9002',
-//                 agent: 'btjson',
-//                webRTCConfig: {
-//                    config: {         // custom webrtc configuration (used by RTCPeerConnection constructor)
-//                        iceServers: [
-//                            { urls: 'stun:global.stun.twilio.com:3478?transport=udp' }
-//                        ]
-//                    }
-//                }
-            }});
-       // hls.loadSource('https://wowza.peer5.com/live/smil:bbb_abr.smil/playlist.m3u8');
-       // hls.loadSource('https://wowza.peer5.com/live/smil:bbb_abr.smil/chunklist_w2001959411_b968000.m3u8');
-       //  hls.loadSource('https://test-streams.mux.dev/x36xhzz/x36xhzz.m3u8');
-        // hls.loadSource('https://akamai-axtest.akamaized.net/routes/lapd-v1-acceptance/www_c4/Manifest.m3u8');
-       // hls.loadSource('https://1257070836.vod2.myqcloud.com/0cf6732evodtransgzp1257070836/81fe3a525285890782510564774/v.f220.m3u8');
-       hls.loadSource('https://wowza.peer5.com/live/smil:bbb_abr.smil/chunklist_w1434476115_b591000.m3u8');
-        hls.attachMedia(video);
-        hls.on(Hls.Events.MANIFEST_PARSED,function(event, data) {
-            video.play();
-        });
-        hls.on(Hls.Events.FRAG_LOADED, (id, data) => {
-            var frag = data.frag;
-            var source = undefined;
-            if (frag.loadByHTTP === true || frag.loadByHTTP === undefined) {
-                source = 'HTTP';
-            } else if (frag.loadByP2P === true) {
-                source = 'P2P';
-            }
-            addToTable(frag.relurl, frag.loaded, source, frag.fromPeerId);
-        });
-//         hls.p2pEngine.on('stats', function ({totalHTTPDownloaded, totalP2PDownloaded, totalP2PUploaded}) {
-// //            console.warn(`totalHTTPDownloaded ${totalHTTPDownloaded} totalP2PDownloaded ${totalP2PDownloaded} totalP2PUploaded ${totalP2PUploaded}`)
-//             var total = totalHTTPDownloaded + totalP2PDownloaded;
-//             document.querySelector('#info').innerText = `p2p ratio: ${Math.round(totalP2PDownloaded/total*100)}%   saved traffic: ${totalP2PDownloaded}KB  uploaded data:${totalP2PUploaded}KB`;
-//         })
-        function addToTable(url, downloaded, source, fromPeerId) {
-            var fromPeer = fromPeerId ? `from ${fromPeerId}` : ``;
-            var infoStr = `download ${url}(size:${downloaded}B) by ${source} ${fromPeer}`;
-            document.querySelector('#table-body tbody').innerHTML +=
-                `<tr style="text-align: center">
-                    <td>${infoStr}</td>
-                </tr>`
-        };
-    }
-</script>
diff --git a/demo/test-standalone.html b/demo/test-standalone.html
deleted file mode 100644
index bf3c920d..00000000
--- a/demo/test-standalone.html
+++ /dev/null
@@ -1,50 +0,0 @@
-<script src="https://cdn.jsdelivr.net/npm/hls.js@latest"></script>
-<script src="../dist/hlsjs-p2p-engine.min.js"></script>
-<!--<script src="https://cdn.jsdelivr.net/npm/cdnbye@0.3.1/dist/hlsjs-p2p-engine.min.js"></script>-->
-<video id="video" controls></video>
-<p id="version"></p>
-<h3>download info:</h3>
-<p id="info"></p>
-<table id="table-body">
-    <tbody ></tbody>
-</table>
-<script>
-    if(Hls.isSupported() && P2PEngine.isSupported()) {
-        var video = document.getElementById('video');
-        var hls = new Hls({maxBufferSize: 0});
-        if (P2PEngine.isSupported()) {
-            var engine = new P2PEngine(hls, {
-                logLevel: true,
-            });
-        }
-//        hls.loadSource('https://1251883823.vod2.myqcloud.com/0ca1536bvodcq1251883823/4676285f5285890781000346422/playlist.m3u8?_t=1534003626854');
-        hls.loadSource('https://test-streams.mux.dev/x36xhzz/x36xhzz.m3u8');
-        hls.attachMedia(video);
-        hls.on(Hls.Events.MANIFEST_PARSED,function(event, data) {
-            video.play();
-        });
-        hls.on(Hls.Events.FRAG_LOADED, (id, data) => {
-            var frag = data.frag;
-            var source = undefined;
-            if (frag.loadByHTTP === true || frag.loadByHTTP === undefined) {
-                source = 'HTTP';
-            } else if (frag.loadByP2P === true) {
-                source = 'P2P';
-            }
-            addToTable(frag.relurl, frag.loaded, source, frag.fromPeerId);
-        });
-        engine.on('stats', function ({totalHTTPDownloaded=0, totalP2PDownloaded=0, totalP2PUploaded=0}) {
-            var total = totalHTTPDownloaded + totalP2PDownloaded;
-            document.querySelector('#info').innerText = `p2p ratio: ${Math.round(totalP2PDownloaded/total*100)}%, saved traffic: ${totalP2PDownloaded}KB, uploaded data: ${totalP2PUploaded}KB`;
-        })
-        document.querySelector('#version').innerText = `hls.js version: ${Hls.version}  cdnbye version: ${P2PEngine.version}`;
-        function addToTable(url, downloaded, source, fromPeerId) {
-            var fromPeer = fromPeerId ? `from ${fromPeerId}` : ``;
-            var infoStr = `download ${url}(size:${downloaded}B) by ${source} ${fromPeer}`;
-            document.querySelector('#table-body tbody').innerHTML +=
-                `<tr style="text-align: center">
-                    <td>${infoStr}</td>
-                </tr>`
-        };
-    }
-</script>
diff --git a/figs/cdnbye.png b/figs/cdnbye.png
deleted file mode 100755
index 637cddf6..00000000
Binary files a/figs/cdnbye.png and /dev/null differ