调整

app/views/homework_commons/_student_btn_check.json.jbuilder

@@ -1,6 +1,8 @@
 if identity == Course::STUDENT
   if homework.homework_type == "practice"
-    json.task_operation task_operation_url(work.try(:myshixun), homework.shixuns.take)
+    shixun = homework.shixuns.take
+    myshixun = work.try(:myshixun) ? work.myshixun : shixun.myshixuns.find_by(user_id: work.user_id)
+    json.task_operation task_operation_url(myshixun, shixun)
     json.view_report work.work_status > 0
     json.commit_des commit_des_status(work, homework)
   else