hello.exe: The term 'hello.exe' is not recognized as a name of a cmdlet解决方法

hello.exe: The term 'hello.exe' is not recognized as a name of a cmdlet, function, script file, or executable program.
Check the spelling of the name, or if a path was included, verify that the path is correct and try again.

Suggestion [3,General]: The command "hello.exe" was not found, but does exist in the current location.
PowerShell does not load commands from the current location by default (see ''Get-Help about_Command_Precedence'').
win系统换成./hello.exe可以通过，go官方教程有误。