message: [bugfix] Toast: clear in multiple mode
diff: @@ -51,6 +51,8 @@ function Toast(options = {}) {
  toast.value = false;
  if (!singleton && !isServer) {
  + clearTimeout(toast.timer);
  + queue = queue.filter(item => item !== toast);
  document.body.removeChild(toast.$el);
  toast.$destroy();
  }
  