Hello, it seems like an antivirus or firewall may be causing incomplete downloads of the Spine updates.
Please try to disable them then restart Spine.
您好，似乎杀毒软件或防火墙可能导致Spine更新下载不完整。请尝试禁用它们，然后重新启动Spine。
Please provide your spine.log file if you are still having trouble:
如果您仍然遇到问题，请提供您的spine.log文件：
Windows: <user home folder>\Spine\spine.log
Mac: <user home folder>/Library/Application Support/Spine/spine.log
Linux: <user home folder>/.spine/spine.log
