message: fix(Form): fix FieldTypeArea demo of form
diff: @@ -25,7 +25,7 @@ const areaCode = ref('');
  const showArea = ref(false);
  const onConfirm = ({ selectedOptions }: PickerConfirmEventParams) => {
  - areaCode.value = selectedOptions.map((item) => item.text).join('/');
  + areaCode.value = selectedOptions.map((item) => item!.text).join('/');
  showArea.value = false;
  };
  