问卷关闭按钮会刷新页面，导致js弹框无法显示

app/views/poll/_poll.html.erb

@@ -32,7 +32,7 @@
   <% end%>
 
   <% if poll.polls_status == 2 %>
-      <li><a class="polls_de fr ml5" onclick="close_poll(<%= poll.id%>);" href="">关闭</a></li>
+      <li><a class="polls_de fr ml5" onclick="close_poll(<%= poll.id%>);" href="javascript:">关闭</a></li>
   <% else %>
       <li class="polls_de_grey fr ml5">关闭</li>
   <% end%>