导入问卷后进入问卷再回退，再点击该问卷，页面报404

app/controllers/poll_controller.rb

@@ -574,16 +574,17 @@ class PollController < ApplicationController
       end
       @poll.save
     end
-    @is_teacher = User.current.allowed_to?(:as_teacher,@course)
-    if @is_teacher
-      polls = Poll.where("polls_type = 'Course' and polls_group_id = #{@course.id}")
-    else
-      polls = Poll.where("polls_type = 'Course' and polls_group_id = #{@course.id} and polls_status = 2")
-    end
-    @polls = paginateHelper polls,20 #分页
-    respond_to do |format|
-      format.js
-    end
+    redirect_to poll_index_path(:polls_type => "Course", :polls_group_id => @course.id)
+    # @is_teacher = User.current.allowed_to?(:as_teacher,@course)
+    # if @is_teacher
+    #   polls = Poll.where("polls_type = 'Course' and polls_group_id = #{@course.id}")
+    # else
+    #   polls = Poll.where("polls_type = 'Course' and polls_group_id = #{@course.id} and polls_status = 2")
+    # end
+    # @polls = paginateHelper polls,20 #分页
+    # respond_to do |format|
+    #   format.js
+    # end
   end
 
   private

app/views/poll/_other_poll.html.erb

@@ -5,7 +5,6 @@
           <div id="error_show" style="color: red;"></div>
           <%= form_tag import_other_poll_poll_index_path,
                        method: :post,
-                       remote: true,
                        id: "relation_file_form" do %>
               <input type="hidden" name="course_id" value="<%= polls_group_id%>" />
               <%= content_tag('div', poll_check_box_tags('polls[]', polls,polls_group_id), :id => 'courses',:style=> 'width: 300px;')%>