diff --git a/packages/client/src/data/collector.tsx b/packages/client/src/data/collector.tsx
index 35180444..171a5511 100644
--- a/packages/client/src/data/collector.tsx
+++ b/packages/client/src/data/collector.tsx
@@ -66,7 +66,7 @@ export const toggleCollectWiki = (wikiId, cookie = null): Promise<boolean> => {
  * @returns
  */
 export const useWikiCollectToggle = (wikiId) => {
-  const { data, error, refetch } = useQuery(`${CollectorApiDefinition.check.client()}?wikiId=${wikiId}`, () =>
+  const { data, error, refetch } = useQuery([CollectorApiDefinition.check.client(), wikiId], () =>
     getWikiIsCollected(wikiId)
   );
 
diff --git a/packages/client/src/data/document.tsx b/packages/client/src/data/document.tsx
index 9efa5c6f..6bdf5a60 100644
--- a/packages/client/src/data/document.tsx
+++ b/packages/client/src/data/document.tsx
@@ -296,7 +296,11 @@ export const getDocumentChildren = (data, cookie = null): Promise<Array<IDocumen
  */
 export const useChildrenDocument = ({ wikiId, documentId, isShare = false }) => {
   const { data, error, refetch } = useQuery(
-    isShare ? DocumentApiDefinition.getPublicChildren.client() : DocumentApiDefinition.getChildren.client(),
+    [
+      isShare ? DocumentApiDefinition.getPublicChildren.client() : DocumentApiDefinition.getChildren.client(),
+      wikiId,
+      documentId,
+    ],
     () => getDocumentChildren({ wikiId, documentId, isShare })
   );
   const loading = !data && !error;
diff --git a/packages/client/src/pages/_app.tsx b/packages/client/src/pages/_app.tsx
index f362d942..223610c0 100644
--- a/packages/client/src/pages/_app.tsx
+++ b/packages/client/src/pages/_app.tsx
@@ -13,7 +13,15 @@ import { Hydrate, QueryClient, QueryClientProvider } from 'react-query';
 
 class MyApp extends App<{ isMobile: boolean }> {
   state = {
-    queryClient: new QueryClient(),
+    queryClient: new QueryClient({
+      defaultOptions: {
+        queries: {
+          refetchOnWindowFocus: true,
+          retry: false,
+          staleTime: 30000,
+        },
+      },
+    }),
   };
 
   static getInitialProps = async ({ Component, ctx }) => {
diff --git a/packages/client/src/pages/index.tsx b/packages/client/src/pages/index.tsx
index ab36eebf..393fad74 100644
--- a/packages/client/src/pages/index.tsx
+++ b/packages/client/src/pages/index.tsx
@@ -65,7 +65,6 @@ const RecentDocs = () => {
         }}
       />,
       <Column title="访问时间" dataIndex="visitedAt" key="visitedAt" render={(date) => <LocaleTime date={date} />} />,
-      <Column title="更新时间" dataIndex="updatedAt" key="updatedAt" render={(date) => <LocaleTime date={date} />} />,
       <Column
         title="操作"
         dataIndex="operate"
diff --git a/packages/client/src/tiptap/editor/collaboration/collaboration/index.tsx b/packages/client/src/tiptap/editor/collaboration/collaboration/index.tsx
index 7cfe0686..fc49d075 100644
--- a/packages/client/src/tiptap/editor/collaboration/collaboration/index.tsx
+++ b/packages/client/src/tiptap/editor/collaboration/collaboration/index.tsx
@@ -8,7 +8,6 @@ import React, { forwardRef, useEffect, useImperativeHandle, useMemo, useRef, use
 import { IndexeddbPersistence } from 'tiptap/core/y-indexeddb';
 
 import { Editor } from '../../react';
-import { ReaderEditor } from '../reader';
 import { EditorInstance } from './editor';
 import styles from './index.module.scss';
 import { ICollaborationEditorProps, ProviderStatus } from './type';
@@ -27,7 +26,6 @@ export const CollaborationEditor = forwardRef((props: ICollaborationEditorProps,
     onTitleUpdate,
     user,
     menubar,
-    initialContent,
     renderInEditorPortal,
     onAwarenessUpdate,
   } = props;
@@ -100,16 +98,12 @@ export const CollaborationEditor = forwardRef((props: ICollaborationEditorProps,
       <DataRender
         loading={loading}
         loadingContent={
-          initialContent ? (
-            <ReaderEditor content={initialContent} />
-          ) : (
-            <div style={{ width: 174, margin: 'auto' }}>
-              <Spin tip="正在为您加载编辑器中...">
-                {/* FIXME: semi-design 的问题，不加 div，文字会换行! */}
-                <div></div>
-              </Spin>
-            </div>
-          )
+          <div style={{ width: 174, margin: 'auto' }}>
+            <Spin tip="正在加载中...">
+              {/* FIXME: semi-design 的问题，不加 div，文字会换行! */}
+              <div></div>
+            </Spin>
+          </div>
         }
         error={error}
         errorContent={(error) => (
diff --git a/packages/server/src/app-cluster.service.ts b/packages/server/src/app-cluster.service.ts
index 4a7f2d58..380c849d 100644
--- a/packages/server/src/app-cluster.service.ts
+++ b/packages/server/src/app-cluster.service.ts
@@ -3,7 +3,7 @@ import { Injectable } from '@nestjs/common';
 import * as cluster from 'cluster';
 import * as os from 'os';
 
-const numCPUs = os.cpus().length;
+const numCPUs = os.cpus().length - 2;
 
 @Injectable()
 export class AppClusterService {