Results 2 issues of 彼岸

3、在需要显示在线人数的地方通过session.getAttribute("Count")即可获取在线人数值。 我在用jsp执行这步骤的结果是null

lua脚本 ``` function wgAction(pos,wid,pid,exe,title,mode) local result = WG.SetBrightness(pos, 5) if(result >= 0) then WG.ShowToast('☀'..result..'%', 1000); end end ``` 日志 ``` System.Exception: Cannot get monitor brightness! NERR_Success at YingDev.WGApp.LuaApi.WG.SetBrightness(POINT pt, Int32...