diff --git a/app/views/bids/_bid_homework_show.html.erb b/app/views/bids/_bid_homework_show.html.erb
index bf5f700cb..c67460fef 100644
--- a/app/views/bids/_bid_homework_show.html.erb
+++ b/app/views/bids/_bid_homework_show.html.erb
@@ -39,17 +39,19 @@
                           </span>
                       <% end %>
                   <% end %>
-                  <% if (User.current.admin?||User.current.id==bid.author_id) %>
-                    <span id="<%=bid.id %>_anonymous_comment">
-                      <% case bid.comment_status %>
-                      <% when 0 %>
-                        <%= link_to '启动匿评', start_anonymous_comment_bid_path(bid), id: "#{bid.id}_start_anonymous_comment", remote: true, :confirm => "开启匿评后学生将不能对作业进行提交、修改、删除等操作\n是否确定开启匿评？", disable_with: '加载中...' %>
-                      <% when 1 %>
-                        <%= link_to '关闭匿评', stop_anonymous_comment_bid_path(bid), id: "#{bid.id}_stop_anonymous_comment", remote: true, :confirm => "关闭匿评后学生将不能对作业进行评分,且学生作业列表将会被公开\n是否确定关闭匿评？" %>
-                      <% when 2 %>
-                        匿评结束
+                  <% if (User.current.admin?||User.current.id==bid.author_id)%>
+                      <% if bid.homeworks.count >= 2 %>
+                       <span id="<%=bid.id %>_anonymous_comment">
+                          <% case bid.comment_status %>
+                          <% when 0 %>
+                            <%= link_to '启动匿评', start_anonymous_comment_bid_path(bid), id: "#{bid.id}_start_anonymous_comment", remote: true, :confirm => "开启匿评后学生将不能对作业进行提交、修改、删除等操作\n是否确定开启匿评？", disable_with: '加载中...' %>
+                          <% when 1 %>
+                            <%= link_to '关闭匿评', stop_anonymous_comment_bid_path(bid), id: "#{bid.id}_stop_anonymous_comment", remote: true, :confirm => "关闭匿评后学生将不能对作业进行评分,且学生作业列表将会被公开\n是否确定关闭匿评？" %>
+                          <% when 2 %>
+                            匿评结束
+                          <% end %>
+                        </span>
                       <% end %>
-                    </span>
                       <%= link_to(
                             l(:button_edit),
                             {:action => 'edit', :controller=>'bids', :course_id =>@course.id, :bid_id => bid.id},
diff --git a/app/views/layouts/base_homework.html.erb b/app/views/layouts/base_homework.html.erb
index 82ede60ca..01f99ce10 100644
--- a/app/views/layouts/base_homework.html.erb
+++ b/app/views/layouts/base_homework.html.erb
@@ -103,7 +103,7 @@
 
                     <div class="inf_user_image">
                       <table>
-                        <% if (User.current.admin?||User.current.id==@bid.author_id) %>
+                        <% if (User.current.admin?||User.current.id==@bid.author_id) && bid.homeworks.count >= 2 %>
                             <tr>
                               <td valign="top" style="padding-left: 8px; font-size: 15px" colspan="2">
                                  <span id="<%=@bid.id %>_anonymous_comment">