diff --git a/layouts/_default/_markup/render-link.html b/layouts/_default/_markup/render-link.html
new file mode 100644
index 0000000..cecd434
--- /dev/null
+++ b/layouts/_default/_markup/render-link.html
@@ -0,0 +1,10 @@
+{{ $link := .Destination }}
+{{ $isRemote := strings.HasPrefix $link "http" }}
+{{- if not $isRemote -}}
+{{ $url := urls.Parse .Destination }}
+{{- if $url.Path -}}
+{{ $fragment := "" }}
+{{- with $url.Fragment }}{{ $fragment = printf "#%s" . }}{{ end -}}
+{{- with .Page.GetPage $url.Path }}{{ $link = printf "%s%s" .RelPermalink $fragment }}{{ else }}{{ warnf "%q not found from %q" $url.Path $.Page.Path }}{{ end }}{{ end -}}
+{{- end -}}
+<a href="{{ $link | safeURL }}"{{ with .Title}} title="{{ . }}"{{ end }}{{ if $isRemote }} target="_blank"{{ end }}>{{ .Text | safeHTML }}</a>
diff --git a/layouts/v4.4.0/baseof.html b/layouts/docs/baseof.html
similarity index 100%
rename from layouts/v4.4.0/baseof.html
rename to layouts/docs/baseof.html
diff --git a/layouts/v4.4.0/list.html b/layouts/docs/list.html
similarity index 100%
rename from layouts/v4.4.0/list.html
rename to layouts/docs/list.html
diff --git a/layouts/v4.4.0/single.html b/layouts/docs/single.html
similarity index 100%
rename from layouts/v4.4.0/single.html
rename to layouts/docs/single.html
diff --git a/layouts/v4.5.0/baseof.html b/layouts/v4.5.0/baseof.html
new file mode 100644
index 0000000..4f88553
--- /dev/null
+++ b/layouts/v4.5.0/baseof.html
@@ -0,0 +1,32 @@
+<!doctype html>
+<html itemscope itemtype="http://schema.org/WebPage" lang="{{ .Site.Language.Lang }}" class="no-js">
+  <head>
+    {{ partial "head.html" . }}
+  </head>
+  <body class="td-{{ .Kind }}{{ with .Page.Params.body_class }} {{ . }}{{ end }}">
+    <header>
+      {{ partial "navbar.html" . }}
+    </header>
+    <div class="container-fluid td-outer">
+      <div class="td-main">
+        <div class="row flex-xl-nowrap">
+          <aside class="col-12 col-md-3 col-xl-2 td-sidebar d-print-none">
+            {{ partial "sidebar.html" . }}
+          </aside>
+          <aside class="d-none d-xl-block col-xl-2 td-sidebar-toc d-print-none">
+            {{ partial "page-meta-links.html" . }}
+            {{ partial "toc.html" . }}
+            {{ partial "taxonomy_terms_clouds.html" . }}
+          </aside>
+          <main class="col-12 col-md-9 col-xl-8 pl-md-5" role="main">
+            {{ partial "version-banner.html" . }}
+            {{ if not .Site.Params.ui.breadcrumb_disable }}{{ partial "breadcrumb.html" . }}{{ end }}
+            {{ block "main" . }}{{ end }}
+          </main>
+        </div>
+      </div>
+      {{ partial "footer.html" . }}
+    </div>
+    {{ partial "scripts.html" . }}
+  </body>
+</html>
\ No newline at end of file
diff --git a/layouts/v4.5.0/list.html b/layouts/v4.5.0/list.html
new file mode 100644
index 0000000..e2679fb
--- /dev/null
+++ b/layouts/v4.5.0/list.html
@@ -0,0 +1,23 @@
+{{ define "main" }}
+<div class="td-content">
+	<h1>{{ .Title }}</h1>
+  {{ with .Params.description }}<div class="lead">{{ . | markdownify }}</div>{{ end }}
+	<header class="article-meta">
+		{{ partial "taxonomy_terms_article_wrapper.html" . }}
+		{{ if (and (not .Params.hide_readingtime) (.Site.Params.ui.readingtime.enable)) }}
+			{{ partial "reading-time.html" . }}
+		{{ end }}
+	</header>
+	{{ .Content }}
+        {{ partial "section-index.html" . }}
+	{{ if (and (not .Params.hide_feedback) (.Site.Params.ui.feedback.enable) (.Site.GoogleAnalytics)) }}
+		{{ partial "feedback.html" .Site.Params.ui.feedback }}
+		<br />
+	{{ end }}
+	{{ if (.Site.DisqusShortname) }}
+		<br />
+		{{ partial "disqus-comment.html" . }}
+	{{ end }}
+	{{ partial "page-meta-lastmod.html" . }}
+</div>
+{{ end }}
diff --git a/layouts/v4.5.0/single.html b/layouts/v4.5.0/single.html
new file mode 100644
index 0000000..00cb3ab
--- /dev/null
+++ b/layouts/v4.5.0/single.html
@@ -0,0 +1,3 @@
+{{ define "main" }}
+{{ .Render "content" }}
+{{ end }}
\ No newline at end of file
diff --git a/static/public_sys-resources/en-us/icon-note.gif b/static/public_sys-resources/en-us/icon-note.gif
new file mode 100644
index 0000000..bf466a3
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diff --git a/static/public_sys-resources/en-us/icon-notice.gif b/static/public_sys-resources/en-us/icon-notice.gif
new file mode 100644
index 0000000..d3b4eca
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diff --git a/static/public_sys-resources/zh-cn/icon-note.gif b/static/public_sys-resources/zh-cn/icon-note.gif
new file mode 100644
index 0000000..9ff820a
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diff --git a/static/public_sys-resources/zh-cn/icon-notice.gif b/static/public_sys-resources/zh-cn/icon-notice.gif
new file mode 100644
index 0000000..eae39a9
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