Unity Package Manager下载路径

Windows – User>AppData>Roaming>Unity> Asset Store-5.x>’publishername’

Mac – User>Library>Unity>Asset Store-5.x>’publishername’

https://support.unity.com/hc/zh-cn/articles/210112873-%E5%A6%82%E4%BD%95%E4%B8%8B%E8%BD%BD%E5%B7%B2%E8%B4%AD%E4%B9%B0%E7%9A%84%E8%B5%84%E6%BA%90-