diff --git a/app/templates/exercise_export/exercise_user.html.erb b/app/templates/exercise_export/exercise_user.html.erb
index 52a083eab..fa5060a1e 100644
--- a/app/templates/exercise_export/exercise_user.html.erb
+++ b/app/templates/exercise_export/exercise_user.html.erb
@@ -17,8 +17,8 @@
         </p>
       </div>
     </div>
-    <div class="mbt20 bgc">
-      <div class="ex-scores pd10 text-gray fs13">
+    <div class="mbt20 bgc ex-scores">
+      <div class="pd10 text-gray fs13">
         <p class="clearfix">
           <% if @exercise_single_ques_count > 0 %>
         <span class="mr15">单选题<span class="mlr5"><%= @exercise_single_ques_count %></span>题,