转1 https://www.jianshu.com/p/42a33b0dda9c
转2 https://blog.youkuaiyun.com/qq_21205435/article/details/78902052
1. 官网下载Navicat Premium 12 http://www.navicat.com.cn/download/navicat-premium
2. 安装好后下载激活文件:https://pan.baidu.com/s/1kVgTd6R 提取密码:t1yp
3. 搞定