diff --git a/_config.yml b/_config.yml
index d2a68c7..38dda4f 100755
--- a/_config.yml
+++ b/_config.yml
@@ -194,7 +194,7 @@ footer:
 tag_plugins:
   # {% note text %}
   note:
-    default_color: '' # light, dark, red, orange, yellow, green, cyan, blue, purple
+    default_color: '' # light, dark, red, orange, yellow, green, cyan, blue, purple, warning, error
   # {% checkbox %}
   checkbox:
     interactive: false # enable interactive for user
@@ -219,6 +219,9 @@ tag_plugins:
   # {% timeline %}
   timeline:
     max-height: 80vh
+  # {% mark %}
+  mark:
+    default_color: dark # light, dark, red, orange, yellow, green, cyan, blue, purple, warning, error
 
 
 ######## JS Plugins ########
diff --git a/scripts/tags/mark.js b/scripts/tags/mark.js
index af008c8..7ecc3e2 100644
--- a/scripts/tags/mark.js
+++ b/scripts/tags/mark.js
@@ -10,6 +10,9 @@
 
 hexo.extend.tag.register('mark', function(args) {
   args = hexo.args.map(args, ['color'], ['text']);
+  if (args.color == null) {
+    args.color = hexo.theme.config.tag_plugins.mark.default_color
+  }
   var el = '';
   el += '<mark class="tag-plugin mark"';
   el += ' ' + hexo.args.joinTags(args, ['color']).join(' ');
diff --git a/source/css/_layout/tag-plugins/common.styl b/source/css/_layout/tag-plugins/common.styl
index 59b98a7..21f059e 100644
--- a/source/css/_layout/tag-plugins/common.styl
+++ b/source/css/_layout/tag-plugins/common.styl
@@ -66,13 +66,13 @@ set_text_black()
   --theme-bg: #333
   set_text_white()
 
-.tag-plugin.note[color='warning']
+.tag-plugin[color='warning']
   --theme: $c-yellow
   --theme-border: #ffe659
   --theme-bg: #ffe659
   --theme-link: #ff453a
 
-.tag-plugin.note[color='error']
+.tag-plugin[color='error']
   --theme: $c-yellow
   --theme-border: #ff453a
   --theme-bg: #ff453a