班级配置-组织：如图取消关联，点击确定按钮，确认弹框不消失，且关联的组织列表未自动刷新

app/controllers/org_courses_controller.rb

@@ -16,5 +16,15 @@ class OrgCoursesController < ApplicationController
     @course = Course.find(params[:course_id])
     @org_course = OrgCourse.find(params[:id])
     @org_course.destroy
+    course_org_ids = OrgCourse.find_by_sql("select distinct organization_id from org_courses where course_id = #{@course.id}").map(&:organization_id)
+    if course_org_ids.empty?
+      @orgs_not_in_course = User.current.organizations
+    else
+      course_org_ids = "(" + course_org_ids.join(',') +  ")"
+      @orgs_not_in_course =  User.current.organizations.where("organizations.id not in #{course_org_ids}")
+    end
+    respond_to do |format|
+      format.js
+    end
   end
 end

app/views/courses/settings/_join_org.html.erb

@@ -60,7 +60,7 @@
 
         $(document).ready(function(){
             $.ajax({
-                url: '<%= url_for(:controller => 'courses', :action => 'search_public_orgs_not_in_course') %>'+'?page=1',
+                url: "/courses/<%=@course.id.to_s %>/search_public_orgs_not_in_course?page=1" ,
                 type:'get'
             });
         });