diff --git a/rust/crates/mnote-web/browser/document-editor-adapter-runtime.js b/rust/crates/mnote-web/browser/document-editor-adapter-runtime.js
index 16ea7395..e6d88f92 100644
--- a/rust/crates/mnote-web/browser/document-editor-adapter-runtime.js
+++ b/rust/crates/mnote-web/browser/document-editor-adapter-runtime.js
@@ -160,6 +160,21 @@ import {
     titleEndpoint: '/api/documents/title',
     editorHostKind: 'leptos_tiptap_island',
   });
+  const aggregateDocumentId = (aggregate) => {
+    return String(aggregate?.identity?.documentId || aggregate?.identity?.document_id || aggregate?.pageId || aggregate?.page_id || '').trim();
+  };
+  const aggregatePageOptions = (aggregate) => {
+    return aggregate?.layout?.pageOptions || aggregate?.layout?.page_options || aggregate?.layoutOptions || aggregate?.layout_options || null;
+  };
+  const withPageOptions = (aggregate, pageOptions) => {
+    if (!aggregate || !pageOptions) return aggregate;
+    const next = { ...aggregate };
+    next.layout = next.layout && typeof next.layout === 'object' ? { ...next.layout } : {};
+    next.layout.pageOptions = { ...pageOptions };
+    next.layout_options = { ...pageOptions };
+    next.layoutOptions = { ...pageOptions };
+    return next;
+  };
   const syncPageAggregateScript = (session, aggregate) => {
     if (!session || !aggregate) return;
     const scriptId = session.pageAggregateScriptId || '__MNOTE_PAGE_AGGREGATE__';
@@ -171,8 +186,24 @@ import {
       document.body.appendChild(node);
     }
     try {
-      node.textContent = JSON.stringify(aggregate);
+      let existingAggregate = null;
+      try {
+        existingAggregate = JSON.parse(node.textContent || 'null');
+      } catch (_) {
+        existingAggregate = null;
+      }
+      const localWriteAt = Number(node.getAttribute('data-mnote-page-options-local-write-at') || 0);
+      const preserveRecentLocalOptions = localWriteAt > 0
+        && Date.now() - localWriteAt < 15000
+        && aggregateDocumentId(existingAggregate) === aggregateDocumentId(aggregate);
+      const nextAggregate = preserveRecentLocalOptions
+        ? withPageOptions(aggregate, aggregatePageOptions(existingAggregate))
+        : aggregate;
+      node.textContent = JSON.stringify(nextAggregate);
       node.setAttribute('data-mnote-page-aggregate-synced-at', String(Date.now()));
+      window.dispatchEvent(new CustomEvent('mnote:page-aggregate-synced', {
+        detail: { scriptId, documentId: aggregateDocumentId(nextAggregate) }
+      }));
     } catch (error) {
       console.warn('mnote Page Aggregate script 同步失败', error);
     }
diff --git a/rust/crates/mnote-web/browser/document-session-runtime.js b/rust/crates/mnote-web/browser/document-session-runtime.js
index d9e6bfa2..0671c8f7 100644
--- a/rust/crates/mnote-web/browser/document-session-runtime.js
+++ b/rust/crates/mnote-web/browser/document-session-runtime.js
@@ -988,6 +988,8 @@ export const createDocumentSessionRuntime = (dependencies = {}) => {
           return;
         }
       }
+      session.latestAggregate = nextAggregate;
+      syncPageAggregateScript(session, nextAggregate);
       const nextBody = nextAggregate?.body || {};
       const nextPermissions = nextAggregate?.head?.permissions || {};
       const nextConflictKey = conflictDetectionKeyFromBody(nextBody);
diff --git a/rust/crates/mnote-web/browser/sidebar-page-settings-runtime.js b/rust/crates/mnote-web/browser/sidebar-page-settings-runtime.js
index 8a2edf3f..98491d20 100644
--- a/rust/crates/mnote-web/browser/sidebar-page-settings-runtime.js
+++ b/rust/crates/mnote-web/browser/sidebar-page-settings-runtime.js
@@ -648,6 +648,7 @@ export function createSidebarPageSettingsRuntime(context) {
             aggregate.layout_options = Object.assign({}, nextOptions);
             script.textContent = JSON.stringify(aggregate);
             script.setAttribute('data-mnote-page-options-synced-at', String(Date.now()));
+            script.setAttribute('data-mnote-page-options-local-write-at', String(Date.now()));
           }
         } catch (_) {}
       }
diff --git a/rust/crates/mnote-web/browser/sidebar-tree-runtime.js b/rust/crates/mnote-web/browser/sidebar-tree-runtime.js
index 6b65974c..6aee85a8 100644
--- a/rust/crates/mnote-web/browser/sidebar-tree-runtime.js
+++ b/rust/crates/mnote-web/browser/sidebar-tree-runtime.js
@@ -2769,6 +2769,15 @@ import { createSidebarPageSettingsRuntime } from './sidebar-page-settings-runtim
     if (isPageSettingsOpen()) renderPageSettingsPopover();
     selectSidebarFileTreeDocument(detail.documentId, { scrollIntoView: false });
   });
+  window.addEventListener('mnote:page-aggregate-synced', function(event) {
+    var detail = event && event.detail ? event.detail : {};
+    if (detail.scriptId && detail.scriptId !== '__MNOTE_PAGE_AGGREGATE__') return;
+    var documentId = searchText(detail.documentId || '');
+    if (documentId && currentDocumentId() && documentId !== currentDocumentId()) return;
+    pageUiState.pageOptions = null;
+    applyPageOptionsToShell();
+    if (isPageSettingsOpen()) renderPageSettingsPopover();
+  });
   restoreSidebarTreeTab();
   startLocalFolderSidebarWatch();
 })();
diff --git a/rust/crates/mnote-web/src/routes/web_shell.rs b/rust/crates/mnote-web/src/routes/web_shell.rs
index ba50b150..9600024d 100644
--- a/rust/crates/mnote-web/src/routes/web_shell.rs
+++ b/rust/crates/mnote-web/src/routes/web_shell.rs
@@ -2412,6 +2412,13 @@ mod tests {
         assert!(DOCUMENT_EDITOR_ADAPTER_RUNTIME_JS.contains("document.createElement('script')"));
         assert!(DOCUMENT_EDITOR_ADAPTER_RUNTIME_JS
             .contains("syncPageAggregateScript({ pageAggregateScriptId"));
+        assert!(
+            DOCUMENT_EDITOR_ADAPTER_RUNTIME_JS.contains("data-mnote-page-options-local-write-at")
+        );
+        assert!(DOCUMENT_EDITOR_ADAPTER_RUNTIME_JS.contains("mnote:page-aggregate-synced"));
+        assert!(
+            DOCUMENT_SESSION_RUNTIME_JS.contains("syncPageAggregateScript(session, nextAggregate)")
+        );
         assert!(DOCUMENT_EDITOR_ADAPTER_RUNTIME_JS.contains("document-slash-position-runtime.js"));
         assert!(DOCUMENT_SLASH_POSITION_RUNTIME_JS.contains("observeSlashMenuPosition"));
         assert!(DOCUMENT_SLASH_POSITION_RUNTIME_JS.contains("scheduleSlashMenuPosition"));
diff --git a/rust/crates/mnote-web/src/ssr/pages/layout.rs b/rust/crates/mnote-web/src/ssr/pages/layout.rs
index 9f1ea9ed..bc8f6598 100644
--- a/rust/crates/mnote-web/src/ssr/pages/layout.rs
+++ b/rust/crates/mnote-web/src/ssr/pages/layout.rs
@@ -908,6 +908,7 @@ mod tests {
         assert!(SIDEBAR_TREE_RUNTIME_JS.contains("data-mnote-dev-hot-reload"));
         assert!(SIDEBAR_TREE_RUNTIME_JS.contains("window.clearInterval(timer)"));
         assert!(SIDEBAR_TREE_RUNTIME_JS.contains("mnote:primary-document-activated"));
+        assert!(SIDEBAR_TREE_RUNTIME_JS.contains("mnote:page-aggregate-synced"));
         assert!(SIDEBAR_TREE_RUNTIME_JS.contains("pageUiState.pageOptions = null"));
     }