diff --git a/ChangeLogs.md b/ChangeLogs.md
index 018c5f23..845ad64c 100644
--- a/ChangeLogs.md
+++ b/ChangeLogs.md
@@ -1,4 +1,13 @@
Changelogs
+
+## 2019.10.18
+
+\[enhancement\] add SEO meta name `author,subtitle`.
+
+## 2019.9.16
+
+\[optimization\] change code style line-height 1.7em.
+
## 2019.9.11
\[deprecated\] deprecated variable `theme.language`, which can be instead of `config.language`.
diff --git a/layout/_partial/head.ejs b/layout/_partial/head.ejs
index ad114778..a3c27ef9 100644
--- a/layout/_partial/head.ejs
+++ b/layout/_partial/head.ejs
@@ -1,7 +1,13 @@
+ content="width=device-width, initial-scale=1.0, maximum-scale=1.0, minimum-scale=1.0">
+<% if(config.author){ %>
+
+<% } %>
+<% if(config.subtitle){ %>
+
+<% } %>
<% if(config.description){ %>
<% } %>
diff --git a/source/css/style.styl b/source/css/style.styl
index 844a95e9..841a9beb 100644
--- a/source/css/style.styl
+++ b/source/css/style.styl
@@ -35,7 +35,7 @@
@import "media.styl"
// highlight
// @import "_highlight/solarized-light.styl"
-@import "_highlight/mono-blue.styl"
+@import "_highlight\highlightjs.styl"
//// ==============================
//// Custom style
//// ==============================