diff --git a/app/controllers/homework_commons_controller.rb b/app/controllers/homework_commons_controller.rb
index d2d2a37a9..0e452da2f 100644
--- a/app/controllers/homework_commons_controller.rb
+++ b/app/controllers/homework_commons_controller.rb
@@ -78,7 +78,7 @@ class HomeworkCommonsController < ApplicationController
         when '4'
           sql_str = %Q((homework_detail_manuals.comment_status = #{order} and homework_detail_manuals.appeal_time > '#{Time.now}'))
         when '5'
-          sql_str = %Q((homework_detail_manuals.comment_status = #{order} or (anonymous_comment = 0 and ((allow_late= 0 and homework_commons.end_time <= '#{Time.now}') or (allow_late= 1 and late_time <= '#{Time.now}')))))
+          sql_str = %Q((anonymous_comment = 0 or (anonymous_comment = 1 and homework_detail_manuals.comment_status = #{order})) and ((allow_late= 0 and homework_commons.end_time <= '#{Time.now}') or (allow_late= 1 and late_time <= '#{Time.now}')))
         else
           sql_str = %Q(homework_detail_manuals.comment_status = #{order})
         end