;是否已经安装 VS2008 SP1 Redistributable 运行库
  EnumRegValue $0 HKLM "SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\{86CE1746-9EFF-3C9C-8755-81EA8903AC34}" 0
  StrCmp $0 "" 0 +6
    DetailPrint "正在安装 VS2008 SP1 Redistributable(x86) 运行库..."
    File /r "tools\vcredist\vcredist_x86.exe"
    ExecWait '"vcredist_x86.exe" /q'
    Delete "vcredist_x86.exe"
    Goto +2
  DetailPrint "已安装 VS2008 SP1 Redistributable(x86) 运行库，跳过..."