1. Feature: the sidebar can auto scroll when the toc out of the screen

2. Fix: When the picture is loaded, the picture appears black frame

layout/archive.pug

@@ -8,4 +8,4 @@ block content
     +articleSort(page.posts)
     include includes/pagination.pug
   #aside_content.aside_content
-      include includes/aside.pug
+    include includes/aside.pug

layout/includes/widget/card_categories.pug

@@ -1,22 +1,23 @@
-.card_widget.card-categories
+if site.categories.length
-    .card-content
+  .card_widget.card-categories
-      .item_headline
+      .card-content
-        i.fa.fa-folder-open(aria-hidden="true")
+        .item_headline
-        span= _p('aside.card_categories')
+          i.fa.fa-folder-open(aria-hidden="true")
-      ul.aside_category_item        
+          span= _p('aside.card_categories')
-        mixin displayCategories(parent = undefined) 
+        ul.aside_category_item        
-          - site.categories.find({ parent }).sort("name").each(function(category) {
+          mixin displayCategories(parent = undefined) 
-              - var childCount = site.categories.find({ parent: category._id }).count();              
+            - site.categories.find({ parent }).sort("name").each(function(category) {
-              li.aside_category_list
+                - var childCount = site.categories.find({ parent: category._id }).count();              
-                a.aside_category_list_link(href=url_for(category.path))
+                li.aside_category_list
-                  span.aside_category_list_name= category.name
+                  a.aside_category_list_link(href=url_for(category.path))
-                  span.aside_category_list_length= category.length
+                    span.aside_category_list_name= category.name
+                    span.aside_category_list_length= category.length
                   
-              if childCount > 0
+                if childCount > 0
-                ul.aside_category_item.child
+                  ul.aside_category_item.child
-                  +displayCategories(category._id)
+                    +displayCategories(category._id)
-          - })
+            - })
 
-        +displayCategories()
+          +displayCategories()
 
   

layout/includes/widget/card_tags.pug

@@ -1,6 +1,7 @@
-.card_widget.card-tags
+if site.tags.length
-  .card-content
+  .card_widget.card-tags
-    .item_headline
+    .card-content
-      i.fa.fa-tags(aria-hidden="true")
+      .item_headline
-      span= _p('aside.card_tags')
+        i.fa.fa-tags(aria-hidden="true")
-    .card-tag-cloud!= tagcloud({min_font: 16, max_font: 24, amount: 200, color: true, start_color: '#999', end_color: '#000'})
+        span= _p('aside.card_tags')
+      .card-tag-cloud!= tagcloud({min_font: 16, max_font: 24, amount: 200, color: true, start_color: '#999', end_color: '#000'})