通过在zip文件或rar文件中输入密码，您也许可以解决此问题。唯一的事情是，您将必须提供从中下载文件的密码，以便用户可以进入该文件。

You may be able to get around this problem by putting a password on the zip file or rar file. The only thing is that you would then have to hand the password where the file is downloaded from so that users can get into it.

如果您需要有关此信息的更多信息您可以阅读以下页面：
解决Chrome的恶意文件警告

If you want some more information on this you could read this page: Getting around Chrome's Malicious File Warning

希望这会有所帮助。