批處理如何修改ini文件的指定值

@echo off & setlocal enabledelayedexpansion
set ListenPort=0
set IsSupport=0
goto dealmanager1
set EableCall=1
set EableoneMoreCall=1
set Eable60P=0
goto dealmanager2
set Conference_Module=Meeting
goto dealmanager3
:dealmanager1
(for /f  delims=: %%h in ('findstr /n . !SourcePath!ConfigCoreDefConfig.ini') do (
set str=%%i
if !str:ListenPort=! neq %%i (
echo ListenPort=!ListenPort!
) else if !str:IsSupport=! neq %%i (
echo IsSupport=!IsSupport!
) else (
echo,%%i
)
))>!SourcePath!Config2.ini
del !SourcePath!ConfigCoreDefConfig.ini
rename !SourcePath!Config2.ini CoreDefConfig.ini
:dealmanager2
(for /f tokens=1* delims=: %%h in ('findstr /n . !SourcePath!ConfigI7DefConfig.ini') do (
set str=%%i
if !str:EableCall=! neq %%i (
echo EableCall=!EableCall!
) else if !str:EableoneMoreCall=! neq %%i (
echo EableoneMoreCall=!EableOneMoreCall!
)else if !str:Eable60P=! neq %%i (
echo Eable60P=!Eable60P!
) else (
echo,%%i
)
))>!SourcePath!Config3.ini
del !SourcePath!ConfigI7DefConfig.ini
rename !SourcePath!Config3.ini I7DefConfig.ini
:dealmanager3
(for /f tokens=1* delims=: %%h in ('findstr /n . !SourcePath!Module.ini') do (
set str=%%i
if !str:Conference_Module=! neq %%i (
echo Conference_Module=!Conference_Module!
) else (
echo,%%i
)
))>!SourcePath!4.ini
del !SourcePath!Module.ini
rename !SourcePath!4.ini Module.ini
pause
nclick="copycode($('code0'));">復制代碼

替換文本內容，只有第一個dealmanager1修改成功，第二個dealmanager2修改失敗，等號后面沒有值，為空。第三個deal也有問題，很奇怪。