diff --git a/FO/Views/CDMS/Contents.cshtml b/FO/Views/CDMS/Contents.cshtml
index 8ed0f10..b4aba38 100644
--- a/FO/Views/CDMS/Contents.cshtml
+++ b/FO/Views/CDMS/Contents.cshtml
@@ -123,7 +123,7 @@
     }
     function closestudy() {
         if (!_passunload && @Model.istaste != 1 && !_islogout) {      
-            golog(false, true, false, false);  
+            golog(false, true, false, true);  
             _passunload = true;
         }      
         self.close();
@@ -359,12 +359,12 @@
         resizeme();
         //}
     }
-    function golog(ispaging, isunload, isinning, async) {
+    function golog(ispaging, isunload, isinning, sync) {
         
         ispaging = ispaging || false;
         isunload = isunload || false;
         isinning = isinning || false;
-        async = async || true;
+        sync = sync || false;
         _tsec++;
         if (!ispaging && !isunload && !isinning) {
             _sec++;
@@ -387,7 +387,7 @@
                     _psecond = getint($("#video1")[0].currentTime);
                 }
             } catch (e) { }
-            capp("/focommon/studylog", { logno: _logno, lectno: @Model.lip.lectno, cmino: @Model.lip.cmino, cpno: _cpno, studysec: _sec, ispc: ismobile() ? 0 : 1, nextcpno: ispaging ? _nextcpno : 0, getiframe: @(Model.CMInning.ismenu == 1 && Model.CMInning.ctype == 2 ? 1 : 0), issample: @Model.istaste, psec: _psecond }, "cbstudylog" + (ispaging ? "page" : "") + (isunload ? "unload" : "") + (isinning ? "inning" : ""), null, null, true, null, true, async);
+            capp("/focommon/studylog", { logno: _logno, lectno: @Model.lip.lectno, cmino: @Model.lip.cmino, cpno: _cpno, studysec: _sec, ispc: ismobile() ? 0 : 1, nextcpno: ispaging ? _nextcpno : 0, getiframe: @(Model.CMInning.ismenu == 1 && Model.CMInning.ctype == 2 ? 1 : 0), issample: @Model.istaste, psec: _psecond }, "cbstudylog" + (ispaging ? "page" : "") + (isunload ? "unload" : "") + (isinning ? "inning" : ""), null, null, true, null, true, null, sync);
         } else if (_mtime > 0 && !_okmid && _tsec >= _mtime && _mtimesec < 1) {
             //clearInterval(_timerlog);
             _mtimesec = 1;
@@ -540,17 +540,10 @@
     window.onbeforeunload = function () {
         if (!_passunload && @Model.istaste != 1 && !_islogout) {
             clearInterval(_timerlog);
-            //if (_isie) {
-            //    var retmsg = golog(false, true);
-            //    event.returnValue = retmsg;
-            //    return retmsg;
-            //}
-            //else {
-            //if (opener && (opener._cdmsisopenning || 0) == 0) {
-                opener.location.href = opener.location.href.replace(/#/gi, '');
-            //}            
-                golog(false, true, false, false);   
-            //}
+            golog(false, true, false, true);   
+        }
+        if (opener) {
+            opener.location.href = opener.location.href.replace(/#/gi, '');
         }
     }
     var _ispre = false;
diff --git a/FO/js/site.js b/FO/js/site.js
index 66a9192..7a628b7 100644
--- a/FO/js/site.js
+++ b/FO/js/site.js
@@ -602,11 +602,11 @@ function cap(url, formid, callback, getpost, autoMsg, noBG, jsislayer2) {
         console.log("다른 작업을 처리중입니다. 잠시후 다시 작업해주세요.");
     }
 }
-function capp(url, p, callback, getpost, autoMsg, noBG, jsislayer2, hideBG, noerror, async) {
+function capp(url, p, callback, getpost, autoMsg, noBG, jsislayer2, hideBG, noerror, sync) {
     _jsislayer2 = jsislayer2 || false;
     _noerror = noerror || false;
     _hideBG = hideBG || false;
-    _async = async || true;
+    _async = !(sync || false);
     if (!isCaping) {
         isAutoMsg = autoMsg || false;
         _bging = noBG || false;