diff --git a/HotUpdateDemo/assets/Script/HotUpdate.js b/HotUpdateDemo/assets/Script/HotUpdate.js
index bae01d0..097704b 100644
--- a/HotUpdateDemo/assets/Script/HotUpdate.js
+++ b/HotUpdateDemo/assets/Script/HotUpdate.js
@@ -1,7 +1,12 @@
+/**
+ * 参考文章
+ * https://www.cnblogs.com/pixs-union/p/9435882.html
+ */
 const ErrCode = cc.Enum({
     laodManifestFailed: 0, //下载manifest失败
     updateFailed: 1, //更新失败，
 });
+const MD5 = require("Uint8ArrayMD5");
 cc.Class({
     extends: cc.Component,
 
@@ -56,11 +61,26 @@ cc.Class({
         }
 
         this._am.setVerifyCallback(function (path, asset) {
+            console.log('path', path, 'setVerifyCallback' + JSON.stringify(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 {
-                return true;
+                var resMD5 = calMD5OfFile(path);
+                console.log('resMD%=', resMD5, 'asset md5=', asset.md5);
+                if (asset.md5 == resMD5) {
+                    return true;
+                }
+                jsb.fileUtils.removeFile(path);
+                return false;
             }
         });
 
@@ -134,7 +154,6 @@ cc.Class({
         if (!this._am.getLocalManifest() || !this._am.getLocalManifest().isLoaded()) {
 
             this.onFailure(ErrCode.laodManifestFailed);
-            // this.panel.info.string = 'Failed to load local manifest ...';
             return;
         }
         this._checkListener = new jsb.EventListenerAssetsManager(this._am, this.checkCb.bind(this));
diff --git a/HotUpdateDemo/version_generator.js b/HotUpdateDemo/version_generator.js
index dd789c4..144b715 100644
--- a/HotUpdateDemo/version_generator.js
+++ b/HotUpdateDemo/version_generator.js
@@ -31,6 +31,13 @@ while (i < process.argv.length) {
         case '--version':
         case '-v':
             manifest.version = process.argv[i + 1];
+            var versionPath = "./config.json";
+            var data = fs.readFileSync(versionPath);
+            let param = JSON.parse(data.toString());
+            if (param) {
+                manifest.version = param.game_version;
+            };
+            console.log('version=', manifest.version);
             i += 2;
             break;
         case '--src':
@@ -38,7 +45,6 @@ while (i < process.argv.length) {
             src = process.argv[i + 1];
             hotDir = src + 'hotUpdate';
             console.log('hotDir=', hotDir);
-
             i += 2;
             break;
         case '--dest':
@@ -75,7 +81,9 @@ function readDir(dir, obj) {
         } else if (stat.isFile()) {
             // Size in Bytes
             size = stat['size'];
-            md5 = crypto.createHash('md5').update(fs.readFileSync(subpath, 'binary')).digest('hex');
+			console.log('md5 ',subpath);
+            // md5 = crypto.createHash('md5').update(fs.readFileSync(subpath, 'binary')).digest('hex');//返回的并非二进制类型，而是String。这会导致非文本文件md5计算错误
+			md5 = crypto.createHash('md5').update(fs.readFileSync(subpath)).digest('hex');//
             compressed = path.extname(subpath).toLowerCase() === '.zip';
 
             relative = path.relative(src, subpath);