rename content/post to content/posts

themes/Ying/layouts/partials/heatmap.html

@@ -56,7 +56,7 @@
 
     // Data Processing
     var dataMap = new Map();
-    {{ range where .Site.RegularPages "Type" "post" }}
+    {{ range where .Site.RegularPages "Type" "posts" }}
       var key = "{{ .Date.Format "2006-01-02" }}";
       var link = "{{ .RelPermalink }}";
       var title = "{{ .Title }}";