REGEDIT4 

[HKEY_LOCAL_MACHINE\SOFTWARE\Policies\Microsoft\Windows\WindowsUpdate] 
"WUServer"="http://sus.yxtc.net"
"WUStatusServer"="http://sus.yxtc.net"

[HKEY_LOCAL_MACHINE\SOFTWARE\Policies\Microsoft\Windows\WindowsUpdate\AU] 
"AUOptions"=dword:00000003
"NoAutoUpdate"=dword:00000000
"ScheduledInstallDay"=dword:00000000
"ScheduledInstallTime"=dword:00000005
"UseWUServer"=dword:00000001
"NoAutoRebootWithLoggedOnUsers"=dword:00000000
"RescheduleWaitTime"=dword:00000005