执行fnm报错

C:\Users\xxxxx> fnm current

error: fnm env was not applied in this context. Can't find fnm's environment variables

解决办法：

　　重新在PowerShell （注意不是cmd命令窗口）中执行下以下命令，重置配置就可以了

fnm env --use-on-cd | Out-String | Invoke-Expression