暴力删除nodejs导致无法重新安装  Later version of Node.js is already installed. Setup will now exit

　　1、电脑全局搜索nodejs，保证node相关不存在

　　2、修改“环境变量”： 删除path值中的node及npm

　　3、重启

　　4、安装node成功

暴力删除nodejs导致无法重新安装 Later version of Node.js is already installed. Setup will now exit