diff --git a/app/src/boot/globalEvent/keydown.ts b/app/src/boot/globalEvent/keydown.ts
index 1daf06c01..77d2bb1eb 100644
--- a/app/src/boot/globalEvent/keydown.ts
+++ b/app/src/boot/globalEvent/keydown.ts
@@ -557,6 +557,9 @@ const fileTreeKeydown = (app: App, event: KeyboardEvent) => {
         return false;
     }
     const files = dockFile.data.file as Files;
+    if (typeof dockFile.data.file === "boolean") {
+        return true;
+    }
 
     if (matchHotKey(window.siyuan.config.keymap.general.selectOpen1.custom, event)) {
         event.preventDefault();
diff --git a/app/src/editor/util.ts b/app/src/editor/util.ts
index 45d7e7ac4..ef2e067f5 100644
--- a/app/src/editor/util.ts
+++ b/app/src/editor/util.ts
@@ -392,9 +392,10 @@ const switchEditor = (editor: Editor, options: IOpenFileOptions, allModels: IMod
                     editor.editor.protyle.toolbar.range = newRange;
                 }
                 scrollCenter(editor.editor.protyle, nodeElement, true);
-
                 const resizeObserver = new ResizeObserver(() => {
-                    scrollCenter(editor.editor.protyle, nodeElement, true);
+                    if (document.contains(nodeElement)) {
+                        scrollCenter(editor.editor.protyle, nodeElement, true);
+                    }
                 });
                 setTimeout(() => {
                     resizeObserver.disconnect();