diff --git a/app/controllers/student_works_controller.rb b/app/controllers/student_works_controller.rb
index 6c9de071d..8770a6519 100644
--- a/app/controllers/student_works_controller.rb
+++ b/app/controllers/student_works_controller.rb
@@ -477,6 +477,8 @@ class StudentWorksController < ApplicationController
       @user_evaluate_count = 0
     end
 
+    @view_tpi = ((@user_course_identity < Course::STUDENT && current_user.is_certification_teacher) || current_user.admin_or_business?) && @work.myshixun.present?
+
     # 图形效率图的数据
     @echart_data = student_efficiency(@homework, @work) if @work.myshixun
   end
diff --git a/app/views/student_works/shixun_work_report.json.jbuilder b/app/views/student_works/shixun_work_report.json.jbuilder
index bd618c2d4..adf0a2ea5 100644
--- a/app/views/student_works/shixun_work_report.json.jbuilder
+++ b/app/views/student_works/shixun_work_report.json.jbuilder
@@ -87,4 +87,6 @@ if @shixun
   end
 end
 
+json.view_tpi @view_tpi
+