diff --git a/.gitmodules b/.gitmodules
index 75bcbd7..0385a23 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -1,3 +1,3 @@
-[submodule "themes/hexo-theme-next"]
-	path = themes/hexo-theme-next
-	url = https://github.com/theme-next/hexo-theme-next.git
+[submodule "next"]
+	path = themes/next
+	url = ssh://git@git.tsanie.org:9022/tsanie/hexo-theme-next.git
diff --git a/_config.yml b/_config.yml
index 524a97e..bb71796 100644
--- a/_config.yml
+++ b/_config.yml
@@ -13,7 +13,7 @@ timezone: Asia/Chongqing
 
 # URL
 ## If your site is put in a subdirectory, set url as 'http://yoursite.com/child' and root as '/child/'
-url: https://tsanie.us
+url: https://tsanie.org
 root: /
 permalink: :year/:month/:day/:title/
 permalink_defaults:
@@ -32,7 +32,10 @@ skip_render:
 new_post_name: :title.md # File name of new posts
 default_layout: post
 titlecase: false # Transform title into titlecase
-external_link: true # Open external links in new tab
+external_link: # Open external links in new tab
+  enable: true
+  field: site
+  exclude: []
 filename_case: 0
 render_drafts: false
 post_asset_folder: true
diff --git a/source/_data/styles.styl b/source/_data/styles.styl
new file mode 100644
index 0000000..2f5c757
--- /dev/null
+++ b/source/_data/styles.styl
@@ -0,0 +1,13 @@
+.posts-expand {
+    .post-title {
+        font-size: 1.6em;
+
+        +mobile() {
+            font-size: 1.4em;
+        }
+    }
+}
+
+code, kbd, samp {
+    font-size: 0.9em;
+}
\ No newline at end of file
diff --git a/themes/hexo-theme-next b/themes/hexo-theme-next
deleted file mode 160000
index d24c48e..0000000
--- a/themes/hexo-theme-next
+++ /dev/null
@@ -1 +0,0 @@
-Subproject commit d24c48efb1ff1182b23926a3835e350f9c3ab6eb
diff --git a/themes/next b/themes/next
new file mode 160000
index 0000000..0967802
--- /dev/null
+++ b/themes/next
@@ -0,0 +1 @@
+Subproject commit 09678022d5afe5695cf58917c279f8efee9a9bd8