diff --git a/app/assets/javascripts/cancer_predict.js b/app/assets/javascripts/cancer_predict.js
index 0add5d8..e6eab8f 100644
--- a/app/assets/javascripts/cancer_predict.js
+++ b/app/assets/javascripts/cancer_predict.js
@@ -55,8 +55,12 @@ $(document).ready(function(){
 		return Math.round(Number(num)*(10**Digit))/(10**Digit);
 	};
 	head_data.done(function(){
-	//	$('.header-nav').html(head_images.responseJSON['head_images']);
-	//	$('.navbar-brand').html(head_images.responseJSON['title'])
+		if(head_images.responseJSON['head_images'] != ''){
+			$('.header-nav').html(head_images.responseJSON['head_images']);
+		}
+		if(head_images.responseJSON['title'] != ''){
+			$('.navbar-brand').html(head_images.responseJSON['title']);
+		}
 		data['danger_texts'] = head_data.responseJSON['danger_texts'];
 		$('head title').text(head_data.responseJSON['page_title'])
 	});