安装时不知道因为什么在这卡住了，就是不成功
Configuration of MySQL Server 5.7.12 is taking longer than
expected. Do you want to continue waiting or cancel the
configuration?
If you keep waiting you may get this message again.
因为你使用msi文件安装的mysql，就这样，使用压缩包方式安装配置他不香吗
还是用压缩包安装吧，msi会出现莫名其妙的bug