like this C:\Documents and Settings\All Users\桌面>path PATH=C:\Program Files\Microsoft Visual Studio .NET\Common7\IDE;C:\Program Files\ Microsoft Visual Studio .NET\VC7\BIN;C:\Program Files\Microsoft Visual Studio .N ET\Common7\Tools;C:\Program Files\Microsoft Visual Studio .NET\Common7\Tools\bin \prerelease;C:\Program Files\Microsoft Visual Studio .NET\Common7\Tools\bin;C:\P rogram Files\Microsoft Visual Studio .NET\FrameworkSDK\bin;C:\WINDOWS\Microsoft. NET\Framework\v1.0.3705;C:\WINDOWS\system32;C:\WINDOWS;C:\WINDOWS\System32\Wbem; d:\gayy;
C:\Documents and Settings\All Users\桌面>path
PATH=C:\Program Files\Microsoft Visual Studio .NET\Common7\IDE;C:\Program Files\
Microsoft Visual Studio .NET\VC7\BIN;C:\Program Files\Microsoft Visual Studio .N
ET\Common7\Tools;C:\Program Files\Microsoft Visual Studio .NET\Common7\Tools\bin
\prerelease;C:\Program Files\Microsoft Visual Studio .NET\Common7\Tools\bin;C:\P
rogram Files\Microsoft Visual Studio .NET\FrameworkSDK\bin;C:\WINDOWS\Microsoft.
NET\Framework\v1.0.3705;C:\WINDOWS\system32;C:\WINDOWS;C:\WINDOWS\System32\Wbem;
d:\gayy;