diff --git a/app/views/competitions/_header.html.erb b/app/views/competitions/_header.html.erb
index 3602a011..81378705 100644
--- a/app/views/competitions/_header.html.erb
+++ b/app/views/competitions/_header.html.erb
@@ -1,5 +1,5 @@
 <div id="competition-header" class="clearfix">
-  <a href="/" style="margin: 10px 20px; display: inline-block;">
+  <a href="/" style="margin: 10px 0; display: inline-block;">
     <img alt="高校智能化教学与实训平台" class="logoimg" 
           src="/images/educoder/headNavLogo.png?1526520218" style="margin-top:5px">
   </a>