diff --git a/src/date-time-picker/date-time-picker.vue b/src/date-time-picker/date-time-picker.vue
index f6aed1035..7c74434a3 100644
--- a/src/date-time-picker/date-time-picker.vue
+++ b/src/date-time-picker/date-time-picker.vue
@@ -173,7 +173,7 @@ export default defineComponent({
     });
 
     const onConfirm = () => {
-      props.onConfirm(dayjs(curDate.value).format(props.format));
+      props.onConfirm?.(dayjs(curDate.value).format(props.format));
       setDateTimePickerValue(dayjs(curDate.value).format(props.format));
     };