diff --git a/app/controllers/student_works_controller.rb b/app/controllers/student_works_controller.rb
index ad684952d..cd742a178 100644
--- a/app/controllers/student_works_controller.rb
+++ b/app/controllers/student_works_controller.rb
@@ -476,7 +476,7 @@ class StudentWorksController < ApplicationController
     end
 
     # 图形效率图的数据
-    @echart_data = student_efficiency(@homework, @work)
+    @echart_data = student_efficiency(@homework, @work) if @work.myshixun
   end
 
   # 实训作品的评阅
diff --git a/app/views/student_works/shixun_work_report.json.jbuilder b/app/views/student_works/shixun_work_report.json.jbuilder
index cda78d93c..40b0e28c2 100644
--- a/app/views/student_works/shixun_work_report.json.jbuilder
+++ b/app/views/student_works/shixun_work_report.json.jbuilder
@@ -3,6 +3,7 @@ json.category @homework.category_info
 json.course_name @course.name
 json.work_id @work.id
 json.work_efficiency @homework.work_efficiency
+json.has_commit @work.myshixun.present?
 if @shixun
   json.shixun_name @shixun.name
 # 总体评价