diff --git a/lib/tasks/update_homework.rake b/lib/tasks/update_homework.rake
index 7c550b673..d97004c8c 100644
--- a/lib/tasks/update_homework.rake
+++ b/lib/tasks/update_homework.rake
@@ -20,8 +20,8 @@ namespace :update_homework do
                 project_time=ForgeActivity.where("project_id=?",project.id).last.updated_at if ForgeActivity.where("project_id=?",project.id).last
                 puts "the time is =========================> #{time}"
                 puts "the project_time is =========================> #{project_time}"
-                #if time.strftime('%Y-%m-%d %H:%M:%S') < project_time.strftime('%Y-%m-%d %H:%M:%S')
-                if format_time(time) < format_time(project_time)
+                if time.strftime('%Y-%m-%d %H:%M:%S') < project_time.strftime('%Y-%m-%d %H:%M:%S')
+                #if format_time(time) < format_time(project_time)
                   time = project_time
                 end
                 begin
@@ -33,9 +33,10 @@ namespace :update_homework do
                   unless changesets[0].blank?
                     puts "the time is =========================> #{time}"
                     puts "the changesets_latest_coimmit is =========================> #{changesets_latest_coimmit.created_at}"
-                    #if time.strftime('%Y-%m-%d %H:%M:%S') < changesets_latest_coimmit.created_at.strftime('%Y-%m-%d %H:%M:%S')
-                    if format_time(time) < format_time(changesets_latest_coimmit.created_at)
-                      time = changesets_latest_coimmit.created_at
+                    puts "the distance time is =========================> #{changesets_latest_coimmit.created_at.to_time > Time.now}"
+                    if time.strftime('%Y-%m-%d %H:%M:%S') < changesets_latest_coimmit.created_at.to_time.strftime('%Y-%m-%d %H:%M:%S')
+                    #if format_time(time) < format_time(changesets_latest_coimmit.created_at)
+                      time = changesets_latest_coimmit.created_at.to_time
                     end
                   end
                 rescue Exception => e