直接下载Gerber
https://docs.lceda.cn/cn/FAQ/Editor/index.html#%E6%80%8E%E4%B9%88%E5%9C%A8%E7%AB%8B%E5%88%9BEDA%E4%B8%8B%E5%8D%95%E8%B4%AD%E4%B9%B0%E5%85%83%E4%BB%B6%E5%92%8CPCB%EF%BC%9F