diff --git a/app/models/member.rb b/app/models/member.rb
index e19e1f0df..cc227cf31 100644
--- a/app/models/member.rb
+++ b/app/models/member.rb
@@ -145,7 +145,7 @@ class Member < ActiveRecord::Base
 
   #当前课程的作业列表
   def homework_common_list
-    HomeworkCommon.where(:course_id => self.course_id)
+    HomeworkCommon.where("course_id = ? and publish_time is not null and publish_time <= '#{Date.today}'", self.course_id)
   end
 
   #当前学生在指定作业内的得分