代码从这clone的
https://github.com/cocos-creator/tutorial-hot-update
我的creator版本是1.4.0
打开项目会报错（不知道会不会有影响）报错日志贴在最下面
然后导出ios的jsb-binary模式，编译运行mac版本的（ios-编译过不了）
检查热更版本号没有问题，点了热更新后，更新到一半卡主了
日志显示0.00% : Start to update 68 files from remote package.
点击重试，更新到99%失败
再点击重试，正常进入游戏了
测试了好几遍，每次都是这样。。。
Compiled project javascript file successfully
1.4.0
[db-task][init] Failed to post import asset /Users/xxxx/testhotupdate/tutorial-hot-update/assets/font/stake_number.fnt, message: TypeError: Cannot read property ‘uuid’ of undefined
at t.value (/Applications/CocosCreator.app/Contents/Resources/app.asar/editor/share/assets/meta/bitmap-font.js:1:2988)
at /Applications/CocosCreator.app/Contents/Resources/app.asar/asset-db/lib/tasks.js:1:6011
at /Applications/CocosCreator.app/Contents/Resources/app.asar/node_modules/async/lib/async.js:718:13
at iterate (/Applications/CocosCreator.app/Contents/Resources/app.asar/node_modules/async/lib/async.js:262:13)
at async.forEachOfSeries.async.eachOfSeries (/Applications/CocosCreator.app/Contents/Resources/app.asar/node_modules/async/lib/async.js:281:9)
at _parallel (/Applications/CocosCreator.app/Contents/Resources/app.asar/node_modules/async/lib/async.js:717:9)
at Object.async.series (/Applications/CocosCreator.app/Contents/Resources/app.asar/node_modules/async/lib/async.js:739:9)
at _postImportAsset (/Applications/CocosCreator.app/Contents/Resources/app.asar/asset-db/lib/tasks.js:1:5933)
at /Applications/CocosCreator.app/Contents/Resources/app.asar/asset-db/lib/tasks.js:1:7886
at /Applications/CocosCreator.app/Contents/Resources/app.asar/node_modules/async/lib/async.js:1213:16
preview server running at http://localhost:7456
Compiling scripts…
Compiled project javascript file successfully