Errors are reported when running npm, vue and other commands in PowerShell:
Could not load file D:\nodejs\node_global\vue.ps1 because running scripts is prohibited on this system.
This is because PowerShell's execution policy prevents the operation and needs to be unrestricted.
The operation is as follows:
1. Search for PowerShell on the Windows system and run it as an administrator
2. In the command box, enter: set-ExecutionPolicy RemoteSigned , then enter A
