点击问卷动态，跳转到答题界面

app/helpers/courses_helper.rb

@@ -704,7 +704,7 @@ module CoursesHelper
           url = course_feedback_path(activity.course)
         when "Poll"
           title = "问卷 " + activity.course_act.polls_name
-          url = poll_index_path(:polls_type => "Course", :polls_group_id => activity.course_id)
+          url = poll_path(activity.course_act_id)
       end
     end
     link_to title.gsub(/<(?!img)[^>]*>/,'').html_safe, url, :class => "problem_tit c_dblue fl fb"