问：ionic2启动有错误

Question

当我运行离子启动测试标签时，npm instanll有这样的问题，有什么帮助吗？

  

npm install   ✖运行命令 - 失败！   [错误]运行npm install时出错（退出代码1）：

    npm WARN deprecated object-keys@0.2.0: Please update to the latest object-keys
    npm ERR! code EINTEGRITY
    npm ERR! sha1-T2O+sOp19jQCqE4oWn6F3/ui6zY= integrity checksum failed when using sha1: wanted sha1-T2O+sOp19jQCqE4oWn6F3/ui6zY= but got sha1-dFJ7pj/QMynsq3vXPRxBzTZdl34=. (630908 bytes)

    npm ERR! A complete log of this run can be found in:
    npm ERR!     /Users/yeezy/.npm/_logs/2017-06-06T02_33_30_452Z-debug.log