diff --git a/layout/_partial/plugins/comments/layout.ejs b/layout/_partial/plugins/comments/layout.ejs
index ad4725c..4806905 100644
--- a/layout/_partial/plugins/comments/layout.ejs
+++ b/layout/_partial/plugins/comments/layout.ejs
@@ -6,11 +6,16 @@ if (theme.comments.service && theme.comments.service.length > 0) {
   }
 }
 // 合并项目评论
-if (loadComment && page.layout == 'wiki' && page.wiki) {
-  if (page.comment_id == undefined) {
-    if (theme.comments.service == 'utterances') {
-      // 使用项目名作为评论issue标题并共享评论数据
-      page.comment_id = page.wiki;
+if (loadComment && page.layout === 'wiki' && page.wiki) {
+  let proj = theme.wiki.projects[page.wiki];
+  if (proj.comment_id !== undefined && page.comment_id === undefined) {
+    if (theme.comments.service === 'utterances') {
+      page.comment_id = proj.comment_id;
+    }
+  }
+  if (proj.comment_title !== undefined && page.comment_title === undefined) {
+    if (theme.comments.service === 'utterances') {
+      page.comment_title = proj.comment_title;
     }
   }
 }
@@ -18,7 +23,7 @@ if (loadComment && page.layout == 'wiki' && page.wiki) {
 <% if (loadComment) { %>
   <div class='related-wrap md reveal' id="comments">
     <div class='cmt-title cap theme'>
-      <%- page.comment_title != undefined ? page.comment_title : __('meta.comment_title') %>
+      <%- page.comment_title !== undefined ? markdown(page.comment_title) : __('meta.comment_title') %>
     </div>
     <div class='cmt-body <%- theme.comments.service %>'>
       <%- partial(theme.comments.service + '/layout') %>
diff --git a/source/css/_layout/partial/related.styl b/source/css/_layout/partial/related.styl
index a3d6804..beb7e3e 100644
--- a/source/css/_layout/partial/related.styl
+++ b/source/css/_layout/partial/related.styl
@@ -124,6 +124,14 @@
 
 
 .related-wrap#comments
+  div.cmt-title
+    p
+      margin: 0
+      a
+        color: inherit
+        text-decoration: underline
+        &:hover
+          color: $color-hover
   div.cmt-body
     min-height: 150px
     position: relative