Fix get kor percent function

fix error when select language other than 'all', function is not working
properly

@@ -13,6 +13,7 @@ let videoNum = "TpPwI_Lo0YY"; //비디오 주소(예시)
 var videoLang = 'all'; //설정 언어
 const serverIP = "http://localhost:3000" //서버의 주소
 var commentList = new Array();
+var AllcommentNum = 0;
 var commentNum = 0;
 var korNum = 0;
 var savednpt = '';
@@ -75,7 +76,7 @@ function showcomment(response, VideoNum){
             <br>
             <div id="liveAlertPlaceholder"></div>
             <a class="btn btn-dark" href="${serverIP}/search?videourl=${VideoNum}&nextpage=${savednpt}&languages=${videoLang}" role="button">Show more comments</a>
-            <button type="button" class="btn btn-danger" onclick="alert('Korean Percent: ${Math.floor((korNum/commentNum)*10000)/100}%')">Get Kor Percent</button>
+            <button type="button" class="btn btn-danger" onclick="alert('Korean Percent: ${Math.floor((korNum/AllcommentNum)*10000)/100}%')">Get Kor Percent</button>
             <br>
             ${commentDisplay}
         </body>
@@ -110,6 +111,7 @@ function loadcomment(ApiKey, VideoNum, npt, n, res){
             }
             tempcommentList.push(tempComment);
             tempListLen += 1;
+            AllcommentNum ++;
             }
             for(let iter = 0; iter < tempListLen; iter++){
                 let langPromise = tempcommentList[iter].lang.then(langData=>{
@@ -118,9 +120,9 @@ function loadcomment(ApiKey, VideoNum, npt, n, res){
                 templang = await langPromise;
                 if(videoLang == 'all' || videoLang == templang){
                     commentList.push(tempcommentList[iter]);
-                    if(templang=="ko"){korNum++;}
                     commentNum++;
                 }
+                if(templang=="ko"){korNum++;}
             }   
         
         //console.log(response.data.items[0].snippet.topLevelComment.snippet.textDisplay);
@@ -194,6 +196,7 @@ var app = http.createServer(function(request,response){ // request는 브라우
         commentList.splice(0);
         commentNum = 0; //코멘트 리스트 초기화
         korNum = 0;
+        AllcommentNum = 0;
 
         videoNum = queryData.videourl;
         videoLang = queryData.languages;