diff --git a/app/controllers/boards_controller.rb b/app/controllers/boards_controller.rb
index 9a72bb4df..ceb63d7b0 100644
--- a/app/controllers/boards_controller.rb
+++ b/app/controllers/boards_controller.rb
@@ -125,7 +125,9 @@ class BoardsController < ApplicationController
     if @order.to_i == 2
       @type = 2
       @topics.each do |topic|
-        topic[:infocount] = get_praise_num(topic) + (topic.parent ? topic.parent.children.count : topic.children.count)
+        all_comments = []
+        count=get_all_children(all_comments, topic).count
+        topic[:infocount] = get_praise_num(topic) + count
         if topic[:infocount] < 0
           topic[:infocount] = 0
         end
diff --git a/app/views/users/_course_boardlist.html.erb b/app/views/users/_course_boardlist.html.erb
index 5cb2c27a7..bdff80d33 100644
--- a/app/views/users/_course_boardlist.html.erb
+++ b/app/views/users/_course_boardlist.html.erb
@@ -46,12 +46,8 @@
                       发帖人: <%=(u.try(:realname) != " " ? u.lastname + u.firstname : u.try(:login)) %>
                   </span>
                   <span class="grayTxt">更新：<%= format_time(activity.children.any? ? activity.children.last[:created_on] : activity[:created_on] ) %></span>
-                  <% count=0 %>
-                  <% if activity.parent %>
-                      <% count=activity.parent.children.count%>
-                  <% else %>
-                      <% count=activity.children.count%>
-                  <% end %>
+                  <% all_comments = []%>
+                  <% count=get_all_children(all_comments, activity).count %>
                   <p class="list-info fr grayTxt"><span><%= count>0 ? "#{count}" : "0" %></span><span>回复</span><span>|</span><span><%= get_praise_num(activity) > 0 ? "#{get_praise_num(activity)}" : "0" %></span><span>赞</span></p>
                 </div>
                 <div class="cl"></div>
diff --git a/app/views/users/_project_boardlist.html.erb b/app/views/users/_project_boardlist.html.erb
index fe7bc03f2..3ba0244d9 100644
--- a/app/views/users/_project_boardlist.html.erb
+++ b/app/views/users/_project_boardlist.html.erb
@@ -46,12 +46,8 @@
                       发帖人:<%=(u.try(:realname) != " " ? u.lastname + u.firstname : u.try(:login)) %>
                   </span>
                   <span class="grayTxt">更新：<%= format_time(activity.children.any? ? activity.children.last[:created_on] : activity[:created_on] ) %></span>
-                  <% count=0 %>
-                  <% if activity.parent %>
-                      <% count=activity.parent.children.count%>
-                  <% else %>
-                      <% count=activity.children.count%>
-                  <% end %>
+                  <% all_comments = []%>
+                  <% count=get_all_children(all_comments, activity).count %>
                   <p class="list-info fr grayTxt"><span><%= count>0 ? "#{count}" : "0" %></span><span>回复</span><span>|</span><span><%= get_praise_num(activity) > 0 ? "#{get_praise_num(activity)}" : "0" %></span><span>赞</span></p>
                 </div>
                 <div class="cl"></div>