update

src/views/Panel.vue

@@ -38,6 +38,9 @@ const resetPanel = () => {
   if (panelOrgTop.value > 0) {
     KanKan.Animate.transitions.start((progress) => {
       const $panel = document.querySelector(".panel");
+      if (!$panel) {
+        return
+      }
       let orgTop = $panel.offsetTop;
       let newTop = panelOrgTop.value;
       let value = orgTop - newTop;