첫페이지 이미지 서칭 까지는 잘되는데 
만약에 이미지를 발견하지 못할 경우 무한 새로고침이 돼요

새로고침 끝나고 다시 새로고침 하는게 아니라 F5를 연타해서 사이트가 뜨지도 않고 새로 고침 되지도 않는..

그런 상태가 발생하는데 뭐가 문제일까요??ㅠㅠ

#NoEnv  ; Recommended for performance and compatibility with future AutoHotkey releases.
; #Warn  ; Enable warnings to assist with detecting common errors.
SendMode Input  ; Recommended for new scripts due to its superior speed and reliability.
SetWorkingDir %A_ScriptDir%  ; Ensures a consistent starting directory.

F2::
a:=0
b:=0
Loop
{
    sleep 100
    ImageSearch,vx,vy,0,0,A_ScreenWidth,A_ScreenHeight,*30 cart_.bmp
    if ErrorLevel=0
    {
        Mouseclick,Left,%vx%,%vy%
        sleep 2000
        Loop
        {
            sleep 100
            ImageSearch,vx,vy,0,0,A_ScreenWidth,A_ScreenHeight,*60 pro_.bmp
            if ErrorLevel=0
            {
                Mouseclick,Left,%vx%,%vy%
                sleep 3000
                Loop
                {
                    ImageSearch,vx,vy,0,0,A_ScreenWidth,A_ScreenHeight,*60 order.bmp
                    if errorlevel=0
                    {
                        Mouseclick,Left,%vx%,%vy%
                        MsgBox ok
                    }
                    sleep 1000
                    b++
                    if b>9
                    {
                        Loop 2
                        {
                            gosub back
                            sleep 2000
                        }
                    }
                }
 
            }
            sleep 1000
            a++
            if a>4
            {
                gosub back
                break
            }
        }
    }
   
   if ErrorLevel=1
    {
        ;sleep 3000
        Send,{F5}
    }
    if ErrorLevel=2
        MsgBox 오류

}
return
F3::
exitapp

back:
send {alt down}
send {left down}
sleep 100
send {alt up}
send {left up}
return