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”