fix https://github.com/fex-team/webuploader/pull/1456
fix https://github.com/fex-team/webuploader/pull/1456

fex-team/webuploader,VioletLife/webuploader,VioletLife/webuploader,WPG/webuploader,VioletLife/webuploader,WPG/webuploader,VioletLife/webuploader,WPG/webuploader,fex-team/webuploader,admpub/webuploader,WPG/webuploader,admpub/webuploader,admpub/webuploader,admpub/webuploader,VioletLife/webuploader,VioletLife/webuploader,fex-team/webuploader,WPG/webuploader,fex-team/webuploader,admpub/webuploader,fex-team/webuploader,WPG/webuploader,admpub/webuploader,fex-team/webuploader