未分班显示在子分班前面

app/helpers/courses_helper.rb

@@ -247,15 +247,15 @@ module CoursesHelper
   def left_group_info course
     group_info = []
     if course.course_groups_count > 0
+      none_group_count = course.students.where(course_group_id: 0).size
+      group_info << {category_id: 0, category_name: "未分班", position: course.course_groups.pluck(:position).max.to_i + 1,
+                     category_count: none_group_count, category_type: false,
+                     second_category_url: "/courses/#{@course.id}/course_groups/0"}
       course.course_groups.each do |course_group|
         group_info << {category_id: course_group.id, category_name: course_group.name, position: course_group.position,
                        category_count: course_group.course_members_count, category_type: false,
                        second_category_url: "/courses/#{@course.id}/course_groups/#{course_group.id}"}
       end
-      none_group_count = course.students.where(course_group_id: 0).size
-      group_info << {category_id: 0, category_name: "未分班", position: course.course_groups.pluck(:position).max.to_i + 1,
-                     category_count: none_group_count, category_type: false,
-                     second_category_url: "/courses/#{@course.id}/course_groups/0"}
     end
     group_info
   end