diff --git a/themes/Ying/layouts/shortcodes/heatmap.html b/themes/Ying/layouts/shortcodes/heatmap.html
index aaf222de..3ec7d6a3 100644
--- a/themes/Ying/layouts/shortcodes/heatmap.html
+++ b/themes/Ying/layouts/shortcodes/heatmap.html
@@ -27,7 +27,7 @@
     data.push([key, value.length]);
   }
 
-  var startDate = new Date();
+  var startDate = new Date()
   var year_Mill = startDate.setFullYear((startDate.getFullYear() - 1));
   var startDate = +new Date(year_Mill);
   var endDate = +new Date()