Update app.js

@@ -129,7 +129,8 @@ async function handleEvent(event) {
                 resultm+=songList[i].singer+", "+songList[i].song+"\n";
               }
             }
-            console.log(resultm);
+            client.replyMessage(event.replyToken,resultm).then(resolve).catch(reject);
+
           });
         });
   });