无法获得UnityHubSetup.exe文件

下载UnityHubSetup.exe,只有不到1k,内容为文本:
<html>
<head><title>404 Not Found</title></head>
<body>
<h1>404 Not Found</h1>
<ul>
<li>Code: NoSuchKey</li>
<li>Message: The specified key does not exist.</li>
<li>Key: hub/prod/UnityHubSetup.exe</li>
<li>RequestId: GWFHCHE72RJ35K39</li>
<li>HostId: 4lhQ3As0MMb8kaDrA5RC/doSYo3PcoqEn2BSt4fQ/1xa6APSH30lEw+iV1pg4ZHUXVCXwNzIJdo=</li>
</ul>
<hr/>
</body>
</html>
