diff --git a/app/controllers/managements_controller.rb b/app/controllers/managements_controller.rb
index b7e1bd56..11796cb0 100644
--- a/app/controllers/managements_controller.rb
+++ b/app/controllers/managements_controller.rb
@@ -3345,7 +3345,7 @@ end
         end
 
     @users = User.where(:id => user_id).where("#{sql}").includes(:apply_actions, user_extensions: [:department, :school]).order("last_login_on desc")
-    @xls_users = @users.reorder("created_on desc").limit(1000) #导出excel用户
+    @xls_users = @users.reorder("created_on desc").limit(3000) #导出excel用户
     @page = (params['page'] || 1).to_i
     @users_count = @users.count
     @limit = 20
@@ -4176,7 +4176,7 @@ end
     sheet1 = book.create_worksheet :name => "course"
     blue = Spreadsheet::Format.new :color => :blue, :weight => :bold, :size => 10
     sheet1.row(0).default_format = blue
-    sheet1.row(0).concat(["ID","课堂名称","成员","资源","普通作业","	实训作业","试卷","私有","状态","创建者单位","创建者","动态时间"])
+    sheet1.row(0).concat(["ID","课堂名称","成员","资源","普通作业","	实训作业","试卷","私有","状态","创建者单位","创建者","动态时间","创建时间"])
     count_row = 1
     courses.each do |course|
       school = course.teacher.try(:user_extensions).try(:school).try(:name).blank? ? "--" : course.teacher.school_name
@@ -4193,6 +4193,7 @@ end
       sheet1[count_row,9] = school
       sheet1[count_row,10] = teacher_name
       sheet1[count_row,11] = format_time(course.updatetime)
+      sheet1[count_row,12] = format_time(course.created_at)
       count_row += 1
     end
     book.write xls_report