diff --git a/app/controllers/student_work_controller.rb b/app/controllers/student_work_controller.rb
index fef1198d..2537c465 100644
--- a/app/controllers/student_work_controller.rb
+++ b/app/controllers/student_work_controller.rb
@@ -508,7 +508,7 @@ class StudentWorkController < ApplicationController
     end
 
     @tab = params[:tab].nil? ? 1 : params[:tab].to_i
-    if User.current.member_of_course?(@homework.course) && params[:order].nil? && params[:sort].nil? && params[:name].nil? && params[:group].nil? && params[:page].nil?
+    if (User.current.member_of_course?(@homework.course) || User.current.admin?) && params[:order].nil? && params[:sort].nil? && params[:name].nil? && params[:group].nil? && params[:page].nil?
       if !@course.is_end && @homework.homework_type == 4 && @homework.homework_detail_manual.comment_status > 0 && (@homework.end_time > Time.now || (@homework.end_time <= Time.now && @homework.allow_late))
         update_shixun_work_status @homework
       end
diff --git a/db/migrate/20190314080805_create_shixun_student_works.rb b/db/migrate/20190314080805_create_shixun_student_works.rb
index b4a606ba..2fd9ae18 100644
--- a/db/migrate/20190314080805_create_shixun_student_works.rb
+++ b/db/migrate/20190314080805_create_shixun_student_works.rb
@@ -81,6 +81,8 @@ class CreateShixunStudentWorks < ActiveRecord::Migration
                 end
               end
               work.update_column("myshixun_id", myshixun.id)
+            else
+              work.update_attributes(:myshixun_id => 0)
             end
           end
         end