diff --git a/app/views/poll/_poll_form.html.erb b/app/views/poll/_poll_form.html.erb
index f32eabe8f..d70829855 100644
--- a/app/views/poll/_poll_form.html.erb
+++ b/app/views/poll/_poll_form.html.erb
@@ -16,7 +16,7 @@
       //单选题
       function add_single_answer(doc)
       {
-          doc.parent().after("<li class='ur_item'><label>选项<span class='ur_index'></span>：</label><input type='text' name='question_answer["+(doc.parent().siblings("li").length + 1)+"]' placeholder='新建选项'/>" +
+          doc.parent().after("<li class='ur_item'><label>选项<span class='ur_index'></span>：</label><input type='text' name='question_answer["+new Date().getTime()+"]' placeholder='新建选项'/>" +
               "<a class='icon_add' title='向下插入选项' onclick='add_single_answer($(this));'></a><a class='icon_remove'  title='删除' onclick='remove_single_answer($(this))'></a>"+
               "</li><div class='cl'></div>");
       }