去到 package.json dependencies 里面随便找个地方加上下面这两句话
然后去 cmd 运行
cnpm install (npm install 一样的 我用了淘宝镜像)
√ Installed 45 packages
√ Linked 0 latest versions
√ Run 0 scripts
√ All packages installed (used 324ms, speed 8.9kB/s, json 1(2.88kB), tarball 0B)
就安装成功了