diff --git a/src/views/faceteach/FaceTeach.vue b/src/views/faceteach/FaceTeach.vue
index 8f1348d..1ebfd12 100644
--- a/src/views/faceteach/FaceTeach.vue
+++ b/src/views/faceteach/FaceTeach.vue
@@ -323,7 +323,7 @@ const { data } = useRequest(STU_OFFCOURSE_DETAIL, {
   usePermission: true,
 });
 const teacherInfo = useUserInfo(computed(() => data.value?.planDto?.teacherId));
-const isAllowSign = computed(() => dayjs().isBetween(dayjs(data.value.planDto?.beginTime).subtract(data.value.beforeStart || 0, "minute"), dayjs(data.value.afterStart ? data.value.planDto?.beginTime : data.value.planDto?.endTime).add(data.value.afterStart || 0, "minute")));
+const isAllowSign = computed(() => dayjs().isBetween(dayjs(data.value.planDto?.beginTime).subtract(data.value.planDto?.beforeStart || 0, "minute"), dayjs(data.value.planDto?.afterStart ? data.value.planDto?.beginTime : data.value.planDto?.endTime).add(data.value.planDto?.afterStart || 0, "minute")));
 
 const handleClick = (tab, event) => {
   console.log("附件", tab, event);