Update concert.js

@@ -144,7 +144,7 @@ function handleEvent(event) {
     });
     });
   });
   });
   }
   }
-  
+  else{
   return new Promise(function(resolve, reject) {
   return new Promise(function(resolve, reject) {
     //언어 감지 option
     //언어 감지 option
     var detect_options = {
     var detect_options = {
@@ -207,5 +207,6 @@ function handleEvent(event) {
     });
     });
 
 
     });
     });
+  }
   
   
 }
 }
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