copyFile的destPath如果是一个文件夹路径，报错后srcPath的文件句柄会被一直占用
https://developers.weixin.qq.com/minigame/dev/api/file/FileSystemManager.copyFile.htmlhttps://developers.weixin.qq.com/minigame/dev/api/file/FileSystemManager.copyFile.html 示例代码 ···js wx.getFileSystemManager().copyFile({ srcPath: wx.env.USER_DATA_PATH + '/file', destPath: wx.env.USER_DATA_PATH + '/directory', success(res) { console.log('success', res); }, fail(err) { // copyFile:fail copyFile failed console.log('fail', err); }, }); ···
