update app.js

@@ -120,7 +120,7 @@ function handleEvent(event)
     // ignore non-text-message event
     return Promise.resolve(null);
   }
-  else if(event.message.text.substring(0, 5)=='순위 보기')
+  else if(event.message.text.substring(0, 5)=='차트 보기')
   {
     // music list 출력
     var url="https://www.genie.co.kr/chart/top200";
@@ -160,8 +160,16 @@ function handleEvent(event)
   }
   else if(event.message.text.substring(0, 5)=='가사 검색')
   {
+    /*
+    if(songList[0]==undefined)
+    {
+      var result = { type: 'text', text:''};
+      result.text=""
+      client.replyMessage(event.replyToken, result);
+    }
+    */
     var userNum=event.message.text[6]
-    var newUrl=songList[userNum].url;
+    var newUrl=songList[userNum-1].url;
     var lyric='';
 
     request(newUrl, function(error, response, html)

@@ -58,3 +58,9 @@ request(url, function(error, response, html)
         console.log(lyric);
     });
 })
+
+if(songList[0]==undefined)
+{
+    console.log("hhh");
+}
+console.log(songList[0]);
\ No newline at end of file