diff --git a/app/views/courses/index.html.erb b/app/views/courses/index.html.erb
index a0ce5fa..43c0c72 100644
--- a/app/views/courses/index.html.erb
+++ b/app/views/courses/index.html.erb
@@ -59,9 +59,9 @@
                             <div class="form-group">
                               <div class="col-sm-3">
                                 <div class="input-group">
-                                  <%= f.file_field :excel %>
+                                  <%= f.file_field :excel ,class: 'btn btn-xs btn-info'%>
                                   <%= f.hidden_field :excel_cache %>
-                                  <%= f.submit '提交', class: "btn btn-success btn-block" %>
+                                  <%= f.submit '提交', class: 'btn btn-success' %>
                                 </div>
                               </div>
                             </div>