加大订单PDF公司抬头并修复Win7打包环境复用

packaging/win7/02_build_exe.cmd

@@ -1,12 +1,13 @@
 @echo off
 setlocal EnableExtensions DisableDelayedExpansion
-cd /d "%~dp0"
+set "PO_KIT_ROOT=%~dp0"
+cd /d "%PO_KIT_ROOT%"
 set "PYTHONUTF8=1"
 set "PYTHONIOENCODING=utf-8"
 set "PYTHONHOME="
 set "PYTHONPATH="
-if not exist "%~dp0.buildenv\Scripts\python.exe" goto missing
-"%~dp0.buildenv\Scripts\python.exe" "%~dp0win7\build.py" build
+if not exist "%PO_KIT_ROOT%.buildenv\Scripts\python.exe" goto missing
+"%PO_KIT_ROOT%.buildenv\Scripts\python.exe" "%PO_KIT_ROOT%win7\build.py" build
 if errorlevel 1 goto failed
 echo.
 echo EXE is in the new dated subfolder under dist. See BUILD_INFO.json.