Sub Thread0
        SetEnvironmentVar "Key0","0"
        Delay 30000
        SetEnvironmentVar "Key0","1"
    Return 
    Sub Thread1
        SetEnvironmentVar "Key1","0"
        Delay 30000
        SetEnvironmentVar "Key1","1"
    Return 
    Sub Thread2
        SetEnvironmentVar "Key2","0"
        Delay 30000
        SetEnvironmentVar "Key2","1"
    Return 
    //.....可加分线,同环境变量