From c263a62514c1b0d34a27a1c2a044c98f7c89ca3f Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=E6=9D=A8=E6=A0=91=E6=98=8E?= <775174143@qq.com>
Date: Fri, 2 Aug 2019 21:17:09 +0800
Subject: [PATCH] b

---
 .../src/modules/courses/busyWork/common/WorkDetailPageHeader.js | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/public/react/src/modules/courses/busyWork/common/WorkDetailPageHeader.js b/public/react/src/modules/courses/busyWork/common/WorkDetailPageHeader.js
index eef99bfcd..56460a44a 100644
--- a/public/react/src/modules/courses/busyWork/common/WorkDetailPageHeader.js
+++ b/public/react/src/modules/courses/busyWork/common/WorkDetailPageHeader.js
@@ -90,7 +90,7 @@ class WorkDetailPageHeader extends Component{
                 }
               `}</style>
               <CBreadcrumb items={[
-                { to: current_user.first_category_url, name: course_name},
+                { to: current_user&&current_user.first_category_url, name: course_name},
                 { to: `/courses/${courseId}/${moduleEngName}/${category_id}`, name: category_name },
                 window.location.pathname.indexOf('appraise') == -1 ? { } : { to: `/courses/${courseId}/${moduleEngName}/${workId}/list`, name: '作业详情' },
                 // 1.	与上一条联动，当匿评他人作品时，TA人作品的作者真实姓名切换为“匿名”