选题报500

app/controllers/graduation_topics_controller.rb

@@ -47,7 +47,7 @@ class GraduationTopicsController < ApplicationController
     @current_user = current_user
     user_graduation_topics = @course.student_graduation_topics.where(user_id: current_user.id,
                                                                      status: [0, 1],
-                                                                     graduation_topic_id: @graduation_topic.pluck(:id))
+                                                                     graduation_topic_id: @graduation_topic.id)
     @user_selected = user_graduation_topics.size > 0
     page  = params[:page]  || 1
     limit = params[:limit] || 50