diff --git a/app/views/layouts/_logined_header.html.erb b/app/views/layouts/_logined_header.html.erb
index 6da60505..19915869 100644
--- a/app/views/layouts/_logined_header.html.erb
+++ b/app/views/layouts/_logined_header.html.erb
@@ -22,7 +22,7 @@
       <% end %>
       <li class="<%= params[:controller] == "competitions" ? " active" : "" %>">
         <%= link_to "在线竞赛", competitions_path %>
-        <img class="roundedRectangles" src="/images/educoder/roundedRectangle.png"/>
+        <!-- <img class="roundedRectangles" src="/images/educoder/roundedRectangle.png"/>-->
       </li>
       <li class="<%= params[:controller] == "libraries" ? " active" : "" %>"><%= link_to "教学案例", libraries_path %></li>
 <!--      <li class="<%#= params[:controller] == "project_packages" ? " active" : "" %>"><%#= link_to "众包创新", project_packages_path %></li>-->
diff --git a/app/views/layouts/_unlogin_header.html.erb b/app/views/layouts/_unlogin_header.html.erb
index 0667330c..6ee75008 100644
--- a/app/views/layouts/_unlogin_header.html.erb
+++ b/app/views/layouts/_unlogin_header.html.erb
@@ -24,7 +24,7 @@
       <% end %>
       <li class="<%= params[:controller] == "competitions" ? " active" : "" %>">
         <%= link_to "在线竞赛", competitions_path %>
-        <img class="roundedRectangles" src="/images/educoder/roundedRectangle.png"/>
+        <!-- <img class="roundedRectangles" src="/images/educoder/roundedRectangle.png"/>-->
       </li>
       <li class="<%= params[:controller] == "libraries" ? " active" : "" %>"><%= link_to "教学案例", libraries_path %></li>
 <!--      <li class="<%#= params[:controller] == "project_packages" ? " active" : "" %>"><%#= link_to "众包创新", project_packages_path %></li>-->
diff --git a/public/react/src/modules/tpm/NewHeader.js b/public/react/src/modules/tpm/NewHeader.js
index e4cfd6cf..2377198e 100644
--- a/public/react/src/modules/tpm/NewHeader.js
+++ b/public/react/src/modules/tpm/NewHeader.js
@@ -398,7 +398,7 @@ class NewHeader extends Component {
 
                         <li className={`${competitions === true ? 'active' : ''}`} >
 													<a href="/competitions">在线竞赛</a>
-													<img className="roundedRectangles" src="/images/educoder/roundedRectangle.png"/>
+													{/*<img className="roundedRectangles" src="/images/educoder/roundedRectangle.png"/>*/}
                         </li>
 
 											  <li><a href="/moop_cases">教学案例</a></li>