add result

@@ -108,7 +108,7 @@ function handleEvent(event) {
   else if(0 < event.message.text.substr(0,2)*1 && event.message.text.substr(0,2)*1 < 27){
 
     var selectnum = (event.message.text.substr(0,2)*1);
-
+    var result = { type: 'text', text:''};
     if(selectnum >=0 || selectnum <=27){
       result.text = '목록에 존재하지 않는 콘서트입니다.';
       client.replyMessage(event.replyToken, result).then(resolve).catch(reject);