I report an error during installation dva, being given as follows
Later, after inspection method, tried to delete npm, npm-cache method, the result is invalid, then looked again https://www.jb51.net/article/126221.htm L article, then just fine
method:
In the file folder to install the run command dva
npm config set registry https://registry.npm.taobao.org cnpm install dva-cli -g
Then success