diff --git a/app/controllers/managements_controller.rb b/app/controllers/managements_controller.rb
index b1eee18d..98b58614 100644
--- a/app/controllers/managements_controller.rb
+++ b/app/controllers/managements_controller.rb
@@ -3,7 +3,7 @@ class ManagementsController < ApplicationController
   before_filter :require_business
   before_filter :require_admin, :only => [:shixun_setting_list, :mirror_repository, :mirror_picture_shixuns, :editmd_template,
                                           :editmd_template, :subject_level_system, :subject_setting_list,
-                                          :shixun_authorization, :ec_template, :codemirror_template, :update_user,
+                                          :shixun_authorization, :ec_template, :codemirror_template,
                                           :course_guide_template, :shixun_quality_score, :tech_system, :update_notice, :setting_banner,
                                           :training_2018, :create_standard]
   layout 'base_management'
diff --git a/app/helpers/application_helper.rb b/app/helpers/application_helper.rb
index 8aa3b400..5737f99b 100644
--- a/app/helpers/application_helper.rb
+++ b/app/helpers/application_helper.rb
@@ -628,7 +628,6 @@ module ApplicationHelper
       return
     end
 =end
-    user_e = UserExtensions.where(:user_id => User.current.id).first
     if !User.current.profile_completed?
       redirect_to my_account_path
       Rails.logger.info("check_authentication end")
diff --git a/app/views/competitions/_qg_second_opensource.html.erb b/app/views/competitions/_qg_second_opensource.html.erb
index 193e4d1c..8aef0390 100644
--- a/app/views/competitions/_qg_second_opensource.html.erb
+++ b/app/views/competitions/_qg_second_opensource.html.erb
@@ -17,6 +17,7 @@
   first_stage = @competition.competition_stages.first
   first_section = first_stage.competition_stage_sections.first
   first_entry = first_section.competition_entries.first
+  second_entry = first_section.competition_entries.second
   is_start = Time.now > first_section.start_time
   competition_url = User.current.logged? ? "#{first_entry.url}?eid=#{User.current.id}" : "#{first_entry.url}"
   btn_url = is_start ? "#{competition_url}" : "javascript:void(0);"
@@ -44,8 +45,8 @@
       user_enrolled = false
       invite_code = nil
 
-      if first_entry.url.present?
-        course_id = first_entry.url.split('/')[-5, 1]
+      if first_entry.url.present? && second_entry.url.present?
+        course_id = second_entry.url
 
         course = Course.find_by_id(course_id)
         if course.present? && @user && @user.logged?