fix:修复

src/modules/teach-tool/examination-manager/Index.tsx

@@ -235,7 +235,7 @@ function ExaminationManager(props: any) {
                 <Menu.Item key="3" onClick={() => props.history.push(`${match.url}/copy/${item.examId}`)}>复制</Menu.Item>
             }
             {
-                ctx.xmState?.userPermission?.DelExam() && (moment().valueOf() + 30 * 60 * 1000 < item.examStartTime) && <Menu.Item key="4">
+                ctx.xmState?.userPermission?.DelExam() && ((moment().valueOf() + 30 * 60 * 1000 < item.examStartTime) || (moment().valueOf() > item.examEndTime)) && <Menu.Item key="4">
                     <span
                         onClick={() => {
                             deleteExam(item)