feat: 更新 lazyload 配置，支持原生 lazyload 功能

feat: 代碼優化
feat: 優化 pageType 邏輯
fix: 修復解密文章後， chartjs 沒有加載的 bug

layout/post.pug

@@ -17,7 +17,7 @@ block content
           each item, index in page.tags.data
             a(href=url_for(item.path)).post-meta__tags #[=item.name]
       include includes/third-party/share/index.pug
-        
+
     if theme.reward.enable && theme.reward.QR_code
       !=partial('includes/post/reward', {}, {cache: true})
 
@@ -33,4 +33,3 @@ block content
     if page.comments !== false && theme.comments.use
       - var commentsJsLoad = true
       !=partial('includes/third-party/comments/index', {}, {cache: true})
-