diff --git a/HotUpdateDemo/assets/Script/HotUpdate.js b/HotUpdateDemo/assets/Script/HotUpdate.js
index 8581f39..65d6cc9 100644
--- a/HotUpdateDemo/assets/Script/HotUpdate.js
+++ b/HotUpdateDemo/assets/Script/HotUpdate.js
@@ -8,7 +8,7 @@ const ErrCode = cc.Enum({
     downloadPackage: -10, //下载新包
 });
 
-const MD5 = require("Uint8ArrayMD5");
+let hotupdateManifest = require('hotManifest');
 
 cc.Class({
     extends: cc.Component,
@@ -19,7 +19,7 @@ cc.Class({
         //     type: cc.Asset,
         //     default: null
         // },
-        manifestUrl: cc.RawAsset,
+        // manifestUrl: cc.RawAsset,
         _hotUpdateName: 'game-remote-asset',
         _nowVersion: ''
     },
@@ -36,6 +36,8 @@ cc.Class({
             this.nextFn && nextFn(this._nowVersion);
             return;
         }
+        //如果是重新进入游戏，清除cache
+        this.clearHotupdateCacheTemp();
         let self = this;
         this._storagePath = ((jsb.fileUtils ? jsb.fileUtils.getWritablePath() : '/') + this._hotUpdateName);
         this.versionCompareHandle = function (versionA, versionB) {
@@ -73,23 +75,10 @@ cc.Class({
 
         this._am.setVerifyCallback(function (path, asset) {
             var compressed = asset.compressed;
-            /**
-             * 计算md5
-             * @param {*} filePath 
-             */
-            let calMD5OfFile = function (filePath) {
-                return MD5(jsb.fileUtils.getDataFromFile(filePath));
-            };
-
             if (compressed) {
                 return true;
             } else {
-                var resMD5 = calMD5OfFile(path);
-                if (asset.md5 == resMD5) {
-                    return true;
-                }
-                jsb.fileUtils.removeFile(path);
-                return false;
+                return true;
             }
         });
 
@@ -162,7 +151,9 @@ cc.Class({
             //     url = cc.loader.md5Pipe.transformURL(url);
             // }
             // this._am.loadLocalManifest(url);
-            this._am.loadLocalManifest(this.manifestUrl);
+            // this._am.loadLocalManifest(this.manifestUrl);
+            var manifest = new jsb.Manifest(JSON.stringify(hotupdateManifest), this._storagePath);
+            this._am.loadLocalManifest(manifest, this._storagePath);
         }
         if (!this._am.getLocalManifest() || !this._am.getLocalManifest().isLoaded()) {
 
@@ -317,12 +308,25 @@ cc.Class({
         }
     },
 
-    //
+    //清除热更新文件
     clearHotupdateCache() {
+        if (cc.sys.isBrowser) {
+            return;
+        }
         let storagePath = ((jsb.fileUtils ? jsb.fileUtils.getWritablePath() : '/') + this._hotUpdateName);
         jsb.fileUtils.removeDirectory(storagePath);
     },
 
+    //清除临时热更新文件
+    clearHotupdateCacheTemp() {
+        if (cc.sys.isBrowser) {
+            return;
+        }
+        console.log('temp file clear');
+        let storagePath = ((jsb.fileUtils ? jsb.fileUtils.getWritablePath() : '/') + this._hotUpdateName + '_temp');
+        jsb.fileUtils.removeDirectory(storagePath);
+    },
+
     // update (dt) {},
 
     onDestroy() {
diff --git a/HotUpdateDemo/assets/Script/Uint8ArrayMD5.js b/HotUpdateDemo/assets/Script/Uint8ArrayMD5.js
deleted file mode 100644
index 83df5ba..0000000
--- a/HotUpdateDemo/assets/Script/Uint8ArrayMD5.js
+++ /dev/null
@@ -1,232 +0,0 @@
-/**
- * 只接受Uint8Array数据的格式
- * from jsb_runtime_md5.js
- * @param {} data
- */
-module.exports = function (data) {
-  // for test/debug
-  function fflog(msg) {
-    try {
-      console.log(msg);
-    } catch (e) {}
-  }
-
-  // convert number to (unsigned) 32 bit hex, zero filled string
-  function to_zerofilled_hex(n) {
-    var t1 = (n >>> 24).toString(16);
-    var t2 = (n & 0x00FFFFFF).toString(16);
-    return "00".substr(0, 2 - t1.length) + t1 +
-      "000000".substr(0, 6 - t2.length) + t2;
-  }
-
-  // convert a 64 bit unsigned number to array of bytes. Little endian
-  function int64_to_bytes(num) {
-    var retval = [];
-    for (var i = 0; i < 8; i++) {
-      retval.push(num & 0xFF);
-      num = num >>> 8;
-    }
-    return retval;
-  }
-
-  //  32 bit left-rotation
-  function rol(num, places) {
-    return ((num << places) & 0xFFFFFFFF) | (num >>> (32 - places));
-  }
-
-  // The 4 MD5 functions
-  function fF(b, c, d) {
-    return (b & c) | (~b & d);
-  }
-
-  function fG(b, c, d) {
-    return (d & b) | (~d & c);
-  }
-
-  function fH(b, c, d) {
-    return b ^ c ^ d;
-  }
-
-  function fI(b, c, d) {
-    return c ^ (b | ~d);
-  }
-
-  // pick 4 bytes at specified offset. Little-endian is assumed
-  function bytes_to_int32(arr, off) {
-    return (arr[off + 3] << 24) | (arr[off + 2] << 16) | (arr[off + 1] << 8) | (arr[off]);
-  }
-  // convert the 4 32-bit buffers to a 128 bit hex string. (Little-endian is assumed)
-  function int128le_to_hex(a, b, c, d) {
-    var ra = "";
-    var t = 0;
-    var ta = 0;
-    for (var i = 3; i >= 0; i--) {
-      ta = arguments[i];
-      t = (ta & 0xFF);
-      ta = ta >>> 8;
-      t = t << 8;
-      t = t | (ta & 0xFF);
-      ta = ta >>> 8;
-      t = t << 8;
-      t = t | (ta & 0xFF);
-      ta = ta >>> 8;
-      t = t << 8;
-      t = t | ta;
-      ra = ra + to_zerofilled_hex(t);
-    }
-    return ra;
-  }
-
-  // check input data type and perform conversions if needed
-
-  if (!data instanceof Uint8Array) {
-    fflog("input data type mismatch only support Uint8Array");
-    return null;
-  }
-  var databytes = [];
-  for (var i = 0; i < data.byteLength; i++) {
-    databytes.push(data[i]);
-  }
-
-  // save original length
-  var org_len = databytes.length;
-
-  // first append the "1" + 7x "0"
-  databytes.push(0x80);
-
-  // determine required amount of padding
-  var tail = databytes.length % 64;
-  // no room for msg length?
-  if (tail > 56) {
-    // pad to next 512 bit block
-    for (var i = 0; i < (64 - tail); i++) {
-      databytes.push(0x0);
-    }
-    tail = databytes.length % 64;
-  }
-  for (i = 0; i < (56 - tail); i++) {
-    databytes.push(0x0);
-  }
-  // message length in bits mod 512 should now be 448
-  // append 64 bit, little-endian original msg length (in *bits*!)
-  databytes = databytes.concat(int64_to_bytes(org_len * 8));
-
-  // initialize 4x32 bit state
-  var h0 = 0x67452301;
-  var h1 = 0xEFCDAB89;
-  var h2 = 0x98BADCFE;
-  var h3 = 0x10325476;
-
-  // temp buffers
-  var a = 0,
-    b = 0,
-    c = 0,
-    d = 0;
-
-
-  function _add(n1, n2) {
-    return 0x0FFFFFFFF & (n1 + n2)
-  }
-
-  // function update partial state for each run
-  var updateRun = function (nf, sin32, dw32, b32) {
-    var temp = d;
-    d = c;
-    c = b;
-    //b = b + rol(a + (nf + (sin32 + dw32)), b32);
-    b = _add(b,
-      rol(
-        _add(a,
-          _add(nf, _add(sin32, dw32))
-        ), b32
-      )
-    );
-    a = temp;
-  };
-
-
-  // Digest message
-  for (i = 0; i < databytes.length / 64; i++) {
-    // initialize run
-    a = h0;
-    b = h1;
-    c = h2;
-    d = h3;
-
-    var ptr = i * 64;
-
-    // do 64 runs
-    updateRun(fF(b, c, d), 0xd76aa478, bytes_to_int32(databytes, ptr), 7);
-    updateRun(fF(b, c, d), 0xe8c7b756, bytes_to_int32(databytes, ptr + 4), 12);
-    updateRun(fF(b, c, d), 0x242070db, bytes_to_int32(databytes, ptr + 8), 17);
-    updateRun(fF(b, c, d), 0xc1bdceee, bytes_to_int32(databytes, ptr + 12), 22);
-    updateRun(fF(b, c, d), 0xf57c0faf, bytes_to_int32(databytes, ptr + 16), 7);
-    updateRun(fF(b, c, d), 0x4787c62a, bytes_to_int32(databytes, ptr + 20), 12);
-    updateRun(fF(b, c, d), 0xa8304613, bytes_to_int32(databytes, ptr + 24), 17);
-    updateRun(fF(b, c, d), 0xfd469501, bytes_to_int32(databytes, ptr + 28), 22);
-    updateRun(fF(b, c, d), 0x698098d8, bytes_to_int32(databytes, ptr + 32), 7);
-    updateRun(fF(b, c, d), 0x8b44f7af, bytes_to_int32(databytes, ptr + 36), 12);
-    updateRun(fF(b, c, d), 0xffff5bb1, bytes_to_int32(databytes, ptr + 40), 17);
-    updateRun(fF(b, c, d), 0x895cd7be, bytes_to_int32(databytes, ptr + 44), 22);
-    updateRun(fF(b, c, d), 0x6b901122, bytes_to_int32(databytes, ptr + 48), 7);
-    updateRun(fF(b, c, d), 0xfd987193, bytes_to_int32(databytes, ptr + 52), 12);
-    updateRun(fF(b, c, d), 0xa679438e, bytes_to_int32(databytes, ptr + 56), 17);
-    updateRun(fF(b, c, d), 0x49b40821, bytes_to_int32(databytes, ptr + 60), 22);
-    updateRun(fG(b, c, d), 0xf61e2562, bytes_to_int32(databytes, ptr + 4), 5);
-    updateRun(fG(b, c, d), 0xc040b340, bytes_to_int32(databytes, ptr + 24), 9);
-    updateRun(fG(b, c, d), 0x265e5a51, bytes_to_int32(databytes, ptr + 44), 14);
-    updateRun(fG(b, c, d), 0xe9b6c7aa, bytes_to_int32(databytes, ptr), 20);
-    updateRun(fG(b, c, d), 0xd62f105d, bytes_to_int32(databytes, ptr + 20), 5);
-    updateRun(fG(b, c, d), 0x2441453, bytes_to_int32(databytes, ptr + 40), 9);
-    updateRun(fG(b, c, d), 0xd8a1e681, bytes_to_int32(databytes, ptr + 60), 14);
-    updateRun(fG(b, c, d), 0xe7d3fbc8, bytes_to_int32(databytes, ptr + 16), 20);
-    updateRun(fG(b, c, d), 0x21e1cde6, bytes_to_int32(databytes, ptr + 36), 5);
-    updateRun(fG(b, c, d), 0xc33707d6, bytes_to_int32(databytes, ptr + 56), 9);
-    updateRun(fG(b, c, d), 0xf4d50d87, bytes_to_int32(databytes, ptr + 12), 14);
-    updateRun(fG(b, c, d), 0x455a14ed, bytes_to_int32(databytes, ptr + 32), 20);
-    updateRun(fG(b, c, d), 0xa9e3e905, bytes_to_int32(databytes, ptr + 52), 5);
-    updateRun(fG(b, c, d), 0xfcefa3f8, bytes_to_int32(databytes, ptr + 8), 9);
-    updateRun(fG(b, c, d), 0x676f02d9, bytes_to_int32(databytes, ptr + 28), 14);
-    updateRun(fG(b, c, d), 0x8d2a4c8a, bytes_to_int32(databytes, ptr + 48), 20);
-    updateRun(fH(b, c, d), 0xfffa3942, bytes_to_int32(databytes, ptr + 20), 4);
-    updateRun(fH(b, c, d), 0x8771f681, bytes_to_int32(databytes, ptr + 32), 11);
-    updateRun(fH(b, c, d), 0x6d9d6122, bytes_to_int32(databytes, ptr + 44), 16);
-    updateRun(fH(b, c, d), 0xfde5380c, bytes_to_int32(databytes, ptr + 56), 23);
-    updateRun(fH(b, c, d), 0xa4beea44, bytes_to_int32(databytes, ptr + 4), 4);
-    updateRun(fH(b, c, d), 0x4bdecfa9, bytes_to_int32(databytes, ptr + 16), 11);
-    updateRun(fH(b, c, d), 0xf6bb4b60, bytes_to_int32(databytes, ptr + 28), 16);
-    updateRun(fH(b, c, d), 0xbebfbc70, bytes_to_int32(databytes, ptr + 40), 23);
-    updateRun(fH(b, c, d), 0x289b7ec6, bytes_to_int32(databytes, ptr + 52), 4);
-    updateRun(fH(b, c, d), 0xeaa127fa, bytes_to_int32(databytes, ptr), 11);
-    updateRun(fH(b, c, d), 0xd4ef3085, bytes_to_int32(databytes, ptr + 12), 16);
-    updateRun(fH(b, c, d), 0x4881d05, bytes_to_int32(databytes, ptr + 24), 23);
-    updateRun(fH(b, c, d), 0xd9d4d039, bytes_to_int32(databytes, ptr + 36), 4);
-    updateRun(fH(b, c, d), 0xe6db99e5, bytes_to_int32(databytes, ptr + 48), 11);
-    updateRun(fH(b, c, d), 0x1fa27cf8, bytes_to_int32(databytes, ptr + 60), 16);
-    updateRun(fH(b, c, d), 0xc4ac5665, bytes_to_int32(databytes, ptr + 8), 23);
-    updateRun(fI(b, c, d), 0xf4292244, bytes_to_int32(databytes, ptr), 6);
-    updateRun(fI(b, c, d), 0x432aff97, bytes_to_int32(databytes, ptr + 28), 10);
-    updateRun(fI(b, c, d), 0xab9423a7, bytes_to_int32(databytes, ptr + 56), 15);
-    updateRun(fI(b, c, d), 0xfc93a039, bytes_to_int32(databytes, ptr + 20), 21);
-    updateRun(fI(b, c, d), 0x655b59c3, bytes_to_int32(databytes, ptr + 48), 6);
-    updateRun(fI(b, c, d), 0x8f0ccc92, bytes_to_int32(databytes, ptr + 12), 10);
-    updateRun(fI(b, c, d), 0xffeff47d, bytes_to_int32(databytes, ptr + 40), 15);
-    updateRun(fI(b, c, d), 0x85845dd1, bytes_to_int32(databytes, ptr + 4), 21);
-    updateRun(fI(b, c, d), 0x6fa87e4f, bytes_to_int32(databytes, ptr + 32), 6);
-    updateRun(fI(b, c, d), 0xfe2ce6e0, bytes_to_int32(databytes, ptr + 60), 10);
-    updateRun(fI(b, c, d), 0xa3014314, bytes_to_int32(databytes, ptr + 24), 15);
-    updateRun(fI(b, c, d), 0x4e0811a1, bytes_to_int32(databytes, ptr + 52), 21);
-    updateRun(fI(b, c, d), 0xf7537e82, bytes_to_int32(databytes, ptr + 16), 6);
-    updateRun(fI(b, c, d), 0xbd3af235, bytes_to_int32(databytes, ptr + 44), 10);
-    updateRun(fI(b, c, d), 0x2ad7d2bb, bytes_to_int32(databytes, ptr + 8), 15);
-    updateRun(fI(b, c, d), 0xeb86d391, bytes_to_int32(databytes, ptr + 36), 21);
-
-    // update buffers
-    h0 = _add(h0, a);
-    h1 = _add(h1, b);
-    h2 = _add(h2, c);
-    h3 = _add(h3, d);
-  }
-  // Done! Convert buffers to 128 bit (LE)
-  return int128le_to_hex(h3, h2, h1, h0).toLowerCase();
-};
\ No newline at end of file
diff --git a/HotUpdateDemo/assets/hotManifest.js b/HotUpdateDemo/assets/hotManifest.js
new file mode 100644
index 0000000..11de7e7
--- /dev/null
+++ b/HotUpdateDemo/assets/hotManifest.js
@@ -0,0 +1 @@
+module.exports = {"packageUrl":"http://localhost/hotUpdate/","remoteManifestUrl":"http://localhost/hotUpdate/project.manifest","remoteVersionUrl":"http://localhost/hotUpdate/version.manifest","version":"1.0.0","assets":{"src/jsb_polyfill.jsc":{"size":135144,"md5":"e08578cfca3384185849a0f3d25b289b"},"src/project.jsc":{"size":2752,"md5":"d1e51d4a8f7bf56feeda0fa7db99780f"},"src/settings.jsc":{"size":460,"md5":"1625325fab19c33dea59ed30b8cb6177"},"res/import/05/05dd1dc0e.json":{"size":2152,"md5":"d27a54680b96dbf0b88694bbd8a1e8e2"},"res/raw-assets/Texture/HelloWorld.png":{"size":37864,"md5":"55ea4e952bf080f300379ec26723598b"},"res/raw-assets/Texture/singleColor.png":{"size":17197,"md5":"e5136c625f53acd0366396e2b9d534ca"}},"searchPaths":[]}
\ No newline at end of file
diff --git a/HotUpdateDemo/assets/Script/Uint8ArrayMD5.js.meta b/HotUpdateDemo/assets/hotManifest.js.meta
similarity index 74%
rename from HotUpdateDemo/assets/Script/Uint8ArrayMD5.js.meta
rename to HotUpdateDemo/assets/hotManifest.js.meta
index f57e485..8be1e63 100644
--- a/HotUpdateDemo/assets/Script/Uint8ArrayMD5.js.meta
+++ b/HotUpdateDemo/assets/hotManifest.js.meta
@@ -1,6 +1,6 @@
 {
   "ver": "1.0.5",
-  "uuid": "b723dc8e-07ac-4a35-b0d9-663f49b82e42",
+  "uuid": "4e283479-e176-4eba-9617-6ba1cf51263a",
   "isPlugin": false,
   "loadPluginInWeb": true,
   "loadPluginInNative": true,
diff --git a/HotUpdateDemo/assets/project.manifest b/HotUpdateDemo/assets/project.manifest
deleted file mode 100644
index 0e8e3cf..0000000
--- a/HotUpdateDemo/assets/project.manifest
+++ /dev/null
@@ -1 +0,0 @@
-{"packageUrl":"http://localhost/hotUpdate/","remoteManifestUrl":"http://localhost/hotUpdate/project.manifest","remoteVersionUrl":"http://localhost/hotUpdate/version.manifest","version":"1.0.0","assets":{"src/jsb_polyfill.jsc":{"size":135144,"md5":"809df571102bcfda4ef8894516cf8f03"},"src/project.jsc":{"size":3792,"md5":"260475b293c07f1fe13ce362589f52e1"},"src/settings.jsc":{"size":460,"md5":"49f64cb5418c6c156ff11ac17ab4cca6"},"res/import/05/05dd1dc0e.json":{"size":2152,"md5":"d27a54680b96dbf0b88694bbd8a1e8e2"},"res/raw-assets/Texture/HelloWorld.png":{"size":37864,"md5":"55ea4e952bf080f300379ec26723598b"},"res/raw-assets/Texture/singleColor.png":{"size":17197,"md5":"e5136c625f53acd0366396e2b9d534ca"}},"searchPaths":[]}
\ No newline at end of file
diff --git a/HotUpdateDemo/assets/project.manifest.meta b/HotUpdateDemo/assets/project.manifest.meta
deleted file mode 100644
index 9ca9045..0000000
--- a/HotUpdateDemo/assets/project.manifest.meta
+++ /dev/null
@@ -1,5 +0,0 @@
-{
-  "ver": "1.0.0",
-  "uuid": "2857653b-09b5-4724-a067-615f6905fbc2",
-  "subMetas": {}
-}
\ No newline at end of file
diff --git a/HotUpdateDemo/assets/version.manifest b/HotUpdateDemo/assets/version.manifest
deleted file mode 100644
index c65f497..0000000
--- a/HotUpdateDemo/assets/version.manifest
+++ /dev/null
@@ -1 +0,0 @@
-{"packageUrl":"http://localhost/hotUpdate/","remoteManifestUrl":"http://localhost/hotUpdate/project.manifest","remoteVersionUrl":"http://localhost/hotUpdate/version.manifest","version":"1.0.0"}
\ No newline at end of file
diff --git a/HotUpdateDemo/assets/version.manifest.meta b/HotUpdateDemo/assets/version.manifest.meta
deleted file mode 100644
index 04e5e8e..0000000
--- a/HotUpdateDemo/assets/version.manifest.meta
+++ /dev/null
@@ -1,5 +0,0 @@
-{
-  "ver": "1.0.0",
-  "uuid": "5a4d5cda-d694-467c-9587-3653e9b41f0c",
-  "subMetas": {}
-}
\ No newline at end of file
diff --git a/HotUpdateDemo/tools/version_generator.js b/HotUpdateDemo/tools/version_generator.js
index 3277eef..1a15683 100644
--- a/HotUpdateDemo/tools/version_generator.js
+++ b/HotUpdateDemo/tools/version_generator.js
@@ -51,7 +51,7 @@ while (i < process.argv.length) {
             i += 2;
             break;
         default:
-            i++;
+            i += 2;
             break;
     }
 }
@@ -117,8 +117,6 @@ var mkdirSync = function (path) {
 readDir(path.join(src, 'src'), manifest.assets);
 readDir(path.join(src, 'res'), manifest.assets);
 
-var destManifest = path.join(dest, 'project.manifest');
-var destVersion = path.join(dest, 'version.manifest');
 var hotManifest = path.join(hotDir, 'project.manifest');
 var hotVersion = path.join(hotDir, 'version.manifest');
 var tmp = path.join(packageRes, 'raw-assets');
@@ -128,30 +126,24 @@ mkdirSync(dest);
 //生成热更新目录
 mkdirSync(hotDir);
 
-//生成文件manifest到assets
-let isfailed = fs.writeFileSync(destManifest, JSON.stringify(manifest));
+
+//生成文件manifest转成hotProject.js
+let hotProjectPath = path.join(dest, 'hotManifest.js');
+console.log('create hotProject', hotProjectPath);
+isfailed = fs.writeFileSync(hotProjectPath, 'module.exports = ' + JSON.stringify(manifest));
 if (!isfailed) {
-    console.log('Manifest successfully generated');
+    console.log('hotManifest successfully generated');
 }
+
 //生成文件manifest到hotUpdate
 isfailed = fs.writeFileSync(hotManifest, JSON.stringify(manifest));
 if (!isfailed) {
     console.log('hotManifest successfully generated');
 }
-//把生成的maifest 同步到build\jsb-xxx\res\raw-assets 而不需要再次构建重新生成
-// fs.writeFile(packageMenifest, JSON.stringify(manifest), (err) => {
-//     if (err) throw err;
-//     console.log('packageMenifest successfully generated');
-// });
 
 delete manifest.assets;
 delete manifest.searchPaths;
 
-//生成版本manifest到assets
-isfailed = fs.writeFileSync(destVersion, JSON.stringify(manifest));
-if (!isfailed) {
-    console.log('Version successfully generated');
-}
 //生成版本manifest到hotUpdate
 isfailed = fs.writeFileSync(hotVersion, JSON.stringify(manifest));
 if (isfailed) {