chao_owo You can delete unnecessary versions by deleting the files in the updates folder in your user folder. The location of the user folder differs depending on the operating system, so please refer to the following troubleshooting page:
https://zh.esotericsoftware.com/spine-troubleshooting#%E7%94%A8%E6%88%B7%E6%96%87%E4%BB%B6