diff --git a/app/helpers/courses_helper.rb b/app/helpers/courses_helper.rb
index 3d52e5fb0..1bc11645b 100644
--- a/app/helpers/courses_helper.rb
+++ b/app/helpers/courses_helper.rb
@@ -211,6 +211,7 @@ module CoursesHelper
     return format("%.2f",teacher_stars == nil ? 0 : teacher_stars.stars)
   end
 
+  #获取指定作业的得分
   def project_score project
     issue_count = project.issues.count
     issue_journal_count = project.issue_changes.count