源码音乐播放暂停按钮问题 请帮忙解决一下

#include <GUIConstantsEx.au3>
#include <StaticConstants.au3>
#include <WindowsConstants.au3>
#include <Sound.au3>
#Region ### START Koda GUI section ### Form=
$Form1 = GUICreate("音乐暂停按钮示例", 623, 442, 192, 124)
FileInstall("Sound\C.jpg", @TempDir & "\")
$Pic1 = GUICtrlCreatePic( @TempDir & "\c.jpg", 8, 8, 604, 100)
FileDelete(@TempDir & "\c.jpg")
_soundplay(@ScriptDir & "\sound\AM SoftIns.mp3" , 0)   ;AM SoftIns.mp3为音乐名称
$pu = GUICtrlCreateIcon(@ScriptDir & "\sound\播放.ico", 0, 20, 343, 32, 32)  ;此处按钮点击后显示下面暂停ICO
GUICtrlSetCursor(-1, 0)
GUICtrlSetTip(-1, "单击背景音乐暂停")
GUICtrlSetOnEvent($pu, "sound_pause")
$pl = GUICtrlCreateIcon(@ScriptDir & "\sound\暂停.ico", 0, 20, 343, 32, 32);此处按钮点击后显示下面播放ICO
GUICtrlSetCursor(-1, 0)
GUICtrlSetTip(-1, "单击背景音乐继续")
GUICtrlSetOnEvent($pl, "sound_play")
GUICtrlSetState($pl, $gui_hide)
GUISetState(@SW_SHOW)
#EndRegion ### END Koda GUI section ###
While 1
        $nMsg = GUIGetMsg()
        Switch $nMsg
                Case $GUI_EVENT_CLOSE
                        Exit

        EndSwitch
WEnd

Func sound_pause()
        GUICtrlSetState($pu, $gui_hide)
        GUICtrlSetState($pl, $gui_show)
        _soundpause(@ScriptDir & "\sound\AM SoftIns.mp3" )
EndFunc

Func sound_play()
        GUICtrlSetState($pl, $gui_hide)
        GUICtrlSetState($pu, $gui_show)
        _soundplay(@ScriptDir & "\sound\AM SoftIns.mp3" , 0)
EndFunc

不懂 纯支持

不知道哪里不对调用两个图标只显示一个而且点按钮也不起作用谁懂帮忙一下