在论坛上下了教程的demo来看，并打包成window调试，但点击“检查更新”按钮没有反应。。。。。输出窗口有这样的信息。
cocos2d: warning, Director::setProjection() failed because size is 0
cocos2d: fullPathForFilename: No file found at script/jsb_prepare.jsc. Possible missing file.
cocos2d: fullPathForFilename: No file found at script/jsb_boot.jsc. Possible missing file.
cocos2d: QuadCommand: resizing index size from [-1] to [2560]
线程 0x1e24 已退出，返回值为 0 (0x0)。
AssetsManagerEx : Fail to download version file, step skipped
第一次搞热更新 ~很多地方不懂~求各位大神帮忙~