diff --git a/app/controllers/colleges_controller.rb b/app/controllers/colleges_controller.rb
index 2505a3bf..9f7b42e6 100644
--- a/app/controllers/colleges_controller.rb
+++ b/app/controllers/colleges_controller.rb
@@ -97,9 +97,12 @@ class CollegesController < ApplicationController
     shixun_ids = HomeworkCommonsShixuns.find_by_sql("SELECT hcs.shixun_id FROM homework_commons_shixuns hcs, homework_commons hc
                  WHERE hc.course_id in (#{all_course_ids.map(&:id).join(',').strip == "" ? -1 : all_course_ids.map(&:id).join(',')})
                  AND hcs.homework_common_id = hc.id").map(&:shixun_id)
-    shixun_tags = TagRepertoire.find_by_sql("SELECT tr.`name`, COUNT(str.shixun_id) as shixun_count FROM tag_repertoires tr, shixun_tag_repertoires str WHERE tr.id = str.tag_repertoire_id AND str.shixun_id IN (#{shixun_ids.join(',').strip == "" ? -1 : shixun_ids.join(',')}) GROUP BY tr.id order by shixun_count desc")
+    shixun_tags = TagRepertoire.find_by_sql("SELECT tr.`name`, COUNT(str.shixun_id) as shixun_count FROM tag_repertoires tr,
+                                             shixun_tag_repertoires str WHERE tr.id = str.tag_repertoire_id AND str.shixun_id
+                                             IN (#{shixun_ids.join(',').strip == "" ? -1 : shixun_ids.join(',')}) GROUP BY tr.id
+                                             order by shixun_count desc")
     all_shixun_count = shixun_tags.map(&:shixun_count).sum
-    other_count = all_shixun_count - shixun_tags[0..8].map(&:shixun_count).sum
+    other_count = all_shixun_count.to_i - shixun_tags[0..8].map(&:shixun_count).sum.to_i
     @shixun_tags_name = []
     @shixun_tags_data = []
     shixun_tags[0..8].each do |tag|
@@ -254,7 +257,7 @@ class CollegesController < ApplicationController
 
   def manager_auth
     # unless (User.current.admin? || DepartmentMember.where(:user_id => User.current.id, :department_id => @department.id).first.present?)
-    unless (User.current.admin? ||
+    unless (User.current.admin? || User.current.business? ||
         DepartmentMember.where(:user_id => User.current.id, :department_id => @department.id).first.present? ||
         (User.current.user_extensions.try(:school_id) == @department.school_id && User.current.user_extensions.try(:identity) == 0) ||
         (@department.school.try(:customer_id) && User.current.try(:partner).try(:customer_ids) &&  User.current.try(:partner).try(:customer_ids).include?(@department.school.try(:customer_id))))