在npm安装vue-router报错npm ERR! code ERESOLVE npm ERR! ERESOLVE could not resolve
运行安装命令: ```lang-bash npm install vue-router@next -S ``` 报错信息如下: ```lang-bash npm ERR! code ERESOLVE npm ERR! ERESOLVE could not resolve npm ERR! npm ERR! While resolving: day5-demo@0.0.0 ...