message: fix(Button): should not submit form when loading
diff: @@ -135,6 +135,9 @@ export default createComponent({
  };
  const onClick = (event: MouseEvent) => {
  + if (props.loading) {
  + event.preventDefault();
  + }
  if (!props.loading && !props.disabled) {
  emit('click', event);
  route();
  