SetOpenLuPath[],
sys::SetCurrentDirectory["funhelp"],
UnloadHelp["Lu.txt","MLu.txt","OpenLu.txt"], UnloadHelp["LuSystem.txt","LuIMSL.txt","LuOpt.txt","LuMath.txt","Lu2d.txt","LuWin.txt"],
"
已卸载函数说明！
";
