diff --git a/app/components/collabora/CollaboraViewer.tsx b/app/components/collabora/CollaboraViewer.tsx
index a26e3e1..c181edc 100644
--- a/app/components/collabora/CollaboraViewer.tsx
+++ b/app/components/collabora/CollaboraViewer.tsx
@@ -10,30 +10,63 @@
  * @encoding UTF-8
  */
 
-import { useRef } from 'react';
-import type { CollaboraViewerProps } from './types';
+import { useRef, forwardRef, useImperativeHandle, useState, useEffect } from 'react';
+import type { CollaboraViewerProps, CollaboraViewerHandle } from './types';
 import { useCollaboraConfig, useDocumentReady, useCollaboraUnoCommands } from './hooks';
+import { sendUnoCommand } from './Uno';
 
 /**
  * Collabora 文档查看器组件
  * @param props - 组件属性
+ * @param ref - 父组件传入的 ref，用于暴露命令接口
  */
-export function CollaboraViewer({
-  fileId,
-  mode = 'view',
-  userId = 'guest',
-  userName = '访客',
-}: CollaboraViewerProps) {
-  const iframeRef = useRef<HTMLIFrameElement>(null);
+export const CollaboraViewer = forwardRef<CollaboraViewerHandle, CollaboraViewerProps>(
+  function CollaboraViewer(
+    {
+      fileId,
+      mode = 'view',
+      userId = 'guest',
+      userName = '访客',
+    },
+    ref
+  ) {
+    const iframeRef = useRef<HTMLIFrameElement>(null);
 
-  // 1. 加载 Collabora 配置
-  const { config, loading, error } = useCollaboraConfig(fileId, mode, userId, userName);
+    // 调试面板状态
+    const [unoCmd, setUnoCmd] = useState('.uno:GoToStartOfDoc');
+    const [unoArgs, setUnoArgs] = useState('{}');
+    const [unoResult, setUnoResult] = useState<string | null>(null);
 
-  // 2. 监听文档加载状态
-  const { isDocumentLoaded } = useDocumentReady(iframeRef);
+    // 1. 加载 Collabora 配置
+    const { config, loading, error } = useCollaboraConfig(fileId, mode, userId, userName);
 
-  // 3. UNO 命令封装
-  const unoCommands = useCollaboraUnoCommands(iframeRef);
+    // 2. 监听文档加载状态
+    const { isDocumentLoaded } = useDocumentReady(iframeRef);
+
+    // 3. UNO 命令封装
+    const unoCommands = useCollaboraUnoCommands(iframeRef);
+
+    // 4. 暴露接口给父组件
+    useImperativeHandle(ref, () => ({
+      unoCommands,
+      isReady: isDocumentLoaded,
+      mode,
+    }), [unoCommands, isDocumentLoaded, mode]);
+
+    // 5. 将 sendUnoCommand 挂载到 window 对象，供调试面板和控制台使用
+    useEffect(() => {
+      if (iframeRef.current?.contentWindow) {
+        (window as any).sendUno = (cmd: string, args: any = {}) => {
+          if (iframeRef.current?.contentWindow) {
+            sendUnoCommand(iframeRef.current.contentWindow, cmd, args);
+          }
+        };
+      }
+
+      return () => {
+        delete (window as any).sendUno;
+      };
+    }, [isDocumentLoaded]);
 
   // 加载中状态
   if (loading) {
@@ -60,8 +93,75 @@ export function CollaboraViewer({
     );
   }
 
+  // 发送 UNO 命令的处理函数
+  const sendUno = () => {
+    if (!iframeRef.current?.contentWindow) {
+      setUnoResult('iframe 不可用');
+      return;
+    }
+
+    if (!(window as any).sendUno) {
+      setUnoResult('window.sendUno 未初始化');
+      return;
+    }
+
+    let args: any = {};
+    const raw = (unoArgs || '').trim();
+    if (raw !== '') {
+      try {
+        args = JSON.parse(raw);
+      } catch (err) {
+        try {
+          // fallback: replace single quotes with double quotes and parse
+          args = JSON.parse(raw.replace(/'(.*?)'/g, '"$1"'));
+        } catch (err2) {
+          console.error('解析 UNO Args 失败:', err2);
+          setUnoResult('Args 解析失败，请使用有效 JSON');
+          return;
+        }
+      }
+    }
+
+    try {
+      // 先让 iframe 获得焦点
+      iframeRef.current.focus();
+      console.log('[调试面板] 已聚焦 iframe');
+
+      (window as any).sendUno?.(unoCmd, args);
+      setUnoResult(`已发送: ${unoCmd}`);
+    } catch (e) {
+      console.error('发送 UNO 失败:', e);
+      setUnoResult('发送失败，请查看控制台');
+    }
+  };
+
   return (
     <div className="collabora-viewer relative w-full h-full min-h-[600px]">
+      {/* UNO 命令测试面板 */}
+      <div className="absolute top-2 left-2 z-50 bg-white bg-opacity-90 px-2 py-1 rounded shadow flex items-center gap-2">
+        <input
+          className="px-2 py-1 border rounded text-sm w-48"
+          value={unoCmd}
+          onChange={(e) => setUnoCmd(e.target.value)}
+          placeholder="UNO 命令"
+          aria-label="UNO 命令"
+        />
+        <input
+          className="px-2 py-1 border rounded text-sm w-64"
+          value={unoArgs}
+          onChange={(e) => setUnoArgs(e.target.value)}
+          placeholder="UNO Args (JSON)"
+          aria-label="UNO Args (JSON)"
+        />
+        <button
+          className="px-3 py-1 bg-indigo-600 text-white rounded hover:bg-indigo-700 text-sm"
+          onClick={sendUno}
+        >
+          发送 UNO
+        </button>
+        {unoResult && <span className="text-xs text-gray-500 ml-2">{unoResult}</span>}
+      </div>
+
       {/* 文档加载提示 */}
       {!isDocumentLoaded && (
         <div className="absolute inset-0 flex items-center justify-center bg-white bg-opacity-90 z-10">
@@ -85,10 +185,12 @@ export function CollaboraViewer({
         allow="clipboard-read; clipboard-write"
         title={`Collabora Online - ${config.fileName}`}
         sandbox="allow-same-origin allow-scripts allow-forms allow-popups allow-modals"
+        tabIndex={0}
       />
     </div>
   );
-}
+});
 
-// 导出 UNO 命令 hook 供父组件使用（如果需要）
+// 导出类型和 hook
+export type { CollaboraViewerHandle };
 export { useCollaboraUnoCommands };
diff --git a/app/components/collabora/Uno.ts b/app/components/collabora/Uno.ts
index c20af04..f67a551 100644
--- a/app/components/collabora/Uno.ts
+++ b/app/components/collabora/Uno.ts
@@ -19,7 +19,6 @@ export function sendUnoCommand(
 ): void {
     const message = {
         MessageId: 'Send_UNO_Command',
-        SendTime: Date.now(),
         Values: {
             Command: command,
             Args: args,
@@ -130,10 +129,25 @@ export function unoEscape(iframeWindow: Window): void {
 }
 
 /**
- * 滚动到文档开头
+ * 滚动到文档开头 (带焦点请求)
  * @param iframeWindow - iframe 的 contentWindow
  */
-export function unoScrollToTop(iframeWindow: Window): void {
+export async function unoScrollToTop(iframeWindow: Window): Promise<void> {
+    // 1. 先请求 iframe 获取焦点
+    const focusMessage = {
+        MessageId: 'custompostMessage',
+        Values: {
+            Command: 'REQUEST_FOCUS',
+            Args: {},
+        },
+    };
+    console.log('[custompostMessage] 请求焦点 (滚动到顶部)');
+    iframeWindow.postMessage(JSON.stringify(focusMessage), '*');
+
+    // 2. 等待焦点激活
+    await new Promise((resolve) => setTimeout(resolve, 100));
+
+    // 3. 发送滚动命令
     sendUnoCommand(iframeWindow, '.uno:GoToStartOfDoc', {});
 }
 
@@ -166,3 +180,64 @@ export function unoGetState(iframeWindow: Window): void {
     console.log('[UNO] 发送 Get_State (.uno:ModifiedStatus) - 等待命令队列执行完成');
     iframeWindow.postMessage(JSON.stringify(message), '*');
 }
+
+/**
+ * 放大文档（固定步长）
+ * @param iframeWindow - iframe 的 contentWindow
+ */
+export function unoZoomPlus(iframeWindow: Window): void {
+    sendUnoCommand(iframeWindow, '.uno:ZoomPlus', {});
+}
+
+/**
+ * 缩小文档（固定步长）
+ * @param iframeWindow - iframe 的 contentWindow
+ */
+export function unoZoomMinus(iframeWindow: Window): void {
+    sendUnoCommand(iframeWindow, '.uno:ZoomMinus', {});
+}
+
+/**
+ * 设置文档缩放比例
+ * @param iframeWindow - iframe 的 contentWindow
+ * @param percentage - 缩放百分比（例如：100 表示 100%）
+ */
+export function unoSetZoom(iframeWindow: Window, percentage: number): void {
+    sendUnoCommand(iframeWindow, '.uno:Zoom', {
+        Zoom: {
+            type: 'short',
+            value: percentage,
+        },
+    });
+}
+
+/**
+ * 跳转到指定页面
+ * @param iframeWindow - iframe 的 contentWindow
+ * @param pageNumber - 页码（从1开始）
+ */
+export function unoGotoPage(iframeWindow: Window, pageNumber: number): void {
+    sendUnoCommand(iframeWindow, '.uno:GotoPage', {
+        Page: {
+            type: 'long',
+            value: pageNumber,
+        },
+    });
+}
+
+/**
+ * 跳转到第一页
+ * @param iframeWindow - iframe 的 contentWindow
+ */
+export function unoFirstPage(iframeWindow: Window): void {
+    sendUnoCommand(iframeWindow, '.uno:FirstPage', {});
+}
+
+/**
+ * 跳转到最后一页
+ * @param iframeWindow - iframe 的 contentWindow
+ */
+export function unoLastPage(iframeWindow: Window): void {
+    sendUnoCommand(iframeWindow, '.uno:LastPage', {});
+}
+
diff --git a/app/components/collabora/hooks.ts b/app/components/collabora/hooks.ts
index 37e4815..d7ef109 100644
--- a/app/components/collabora/hooks.ts
+++ b/app/components/collabora/hooks.ts
@@ -21,6 +21,12 @@ import {
   unoEscape,
   unoScrollToTop,
   unoSave,
+  unoZoomPlus,
+  unoZoomMinus,
+  unoSetZoom,
+  unoGotoPage,
+  unoFirstPage,
+  unoLastPage,
 } from './Uno';
 import { COLLABORA_URL } from '~/config/api-config';
 
@@ -131,9 +137,8 @@ export function useCollaboraUnoCommands(iframeRef: RefObject<HTMLIFrameElement>)
         console.warn('[UNO] iframe 不可用');
         return;
       }
-
       console.log(`[UNO] 搜索文本: "${text}"`);
-      unoSearchText(iframeRef.current.contentWindow, text);
+      await unoSearchText(iframeRef.current.contentWindow, text);
       await new Promise((resolve) => setTimeout(resolve, 100));
     },
     [iframeRef]
@@ -175,9 +180,8 @@ export function useCollaboraUnoCommands(iframeRef: RefObject<HTMLIFrameElement>)
         console.warn('[UNO] iframe 不可用');
         return;
       }
-
       console.log(`[UNO] 替换文本: "${searchText}" -> "${replaceText}"`);
-      unoReplaceText(iframeRef.current.contentWindow, searchText, replaceText);
+      await unoReplaceText(iframeRef.current.contentWindow, searchText, replaceText);
       await new Promise((resolve) => setTimeout(resolve, 200));
     },
     [iframeRef]
@@ -192,9 +196,8 @@ export function useCollaboraUnoCommands(iframeRef: RefObject<HTMLIFrameElement>)
         console.warn('[UNO] iframe 不可用');
         return;
       }
-
       console.log(`[UNO] 高亮文本: "${text}"`);
-      unoHighlightText(iframeRef.current.contentWindow, text, color);
+      await unoHighlightText(iframeRef.current.contentWindow, text, color);
       await new Promise((resolve) => setTimeout(resolve, 200));
     },
     [iframeRef]
@@ -209,9 +212,8 @@ export function useCollaboraUnoCommands(iframeRef: RefObject<HTMLIFrameElement>)
         console.warn('[UNO] iframe 不可用');
         return;
       }
-
       console.log(`[UNO] 移除高亮: "${text}"`);
-      unoRemoveHighlight(iframeRef.current.contentWindow, text);
+      await unoRemoveHighlight(iframeRef.current.contentWindow, text);
       await new Promise((resolve) => setTimeout(resolve, 200));
     },
     [iframeRef]
@@ -227,7 +229,7 @@ export function useCollaboraUnoCommands(iframeRef: RefObject<HTMLIFrameElement>)
     }
 
     console.log('[UNO] 取消选中');
-    unoEscape(iframeRef.current.contentWindow);
+    await unoEscape(iframeRef.current.contentWindow);
     await new Promise((resolve) => setTimeout(resolve, 50));
   }, [iframeRef]);
 
@@ -241,7 +243,7 @@ export function useCollaboraUnoCommands(iframeRef: RefObject<HTMLIFrameElement>)
     }
 
     console.log('[UNO] 滚动到顶部');
-    unoScrollToTop(iframeRef.current.contentWindow);
+    await unoScrollToTop(iframeRef.current.contentWindow);
     await new Promise((resolve) => setTimeout(resolve, 100));
   }, [iframeRef]);
 
@@ -255,10 +257,102 @@ export function useCollaboraUnoCommands(iframeRef: RefObject<HTMLIFrameElement>)
     }
 
     console.log('[UNO] 保存文档');
-    unoSave(iframeRef.current.contentWindow);
+    await unoSave(iframeRef.current.contentWindow);
     await new Promise((resolve) => setTimeout(resolve, 1000));
   }, [iframeRef]);
 
+  /**
+   * 放大文档
+   */
+  const zoomIn = useCallback(async () => {
+    if (!iframeRef.current?.contentWindow) {
+      console.warn('[UNO] iframe 不可用');
+      return;
+    }
+
+    console.log('[UNO] 放大文档');
+    await unoZoomPlus(iframeRef.current.contentWindow);
+    await new Promise((resolve) => setTimeout(resolve, 100));
+  }, [iframeRef]);
+
+  /**
+   * 缩小文档
+   */
+  const zoomOut = useCallback(async () => {
+    if (!iframeRef.current?.contentWindow) {
+      console.warn('[UNO] iframe 不可用');
+      return;
+    }
+
+    console.log('[UNO] 缩小文档');
+    await unoZoomMinus(iframeRef.current.contentWindow);
+    await new Promise((resolve) => setTimeout(resolve, 100));
+  }, [iframeRef]);
+
+  /**
+   * 设置缩放比例
+   * @param percentage - 缩放百分比 (例如：100 表示 100%)
+   */
+  const setZoom = useCallback(
+    async (percentage: number) => {
+      if (!iframeRef.current?.contentWindow) {
+        console.warn('[UNO] iframe 不可用');
+        return;
+      }
+
+      console.log(`[UNO] 设置缩放比例: ${percentage}%`);
+      await unoSetZoom(iframeRef.current.contentWindow, percentage);
+      await new Promise((resolve) => setTimeout(resolve, 100));
+    },
+    [iframeRef]
+  );
+
+  /**
+   * 跳转到指定页面
+   * @param pageNumber - 页码（从1开始）
+   */
+  const gotoPage = useCallback(
+    async (pageNumber: number) => {
+      if (!iframeRef.current?.contentWindow) {
+        console.warn('[UNO] iframe 不可用');
+        return;
+      }
+
+      console.log(`[UNO] 跳转到第 ${pageNumber} 页`);
+      await unoGotoPage(iframeRef.current.contentWindow, pageNumber);
+      await new Promise((resolve) => setTimeout(resolve, 100));
+    },
+    [iframeRef]
+  );
+
+  /**
+   * 跳转到第一页
+   */
+  const gotoFirstPage = useCallback(async () => {
+    if (!iframeRef.current?.contentWindow) {
+      console.warn('[UNO] iframe 不可用');
+      return;
+    }
+
+    console.log('[UNO] 跳转到第一页');
+    await unoFirstPage(iframeRef.current.contentWindow);
+    await new Promise((resolve) => setTimeout(resolve, 100));
+  }, [iframeRef]);
+
+  /**
+   * 跳转到最后一页
+   */
+  const gotoLastPage = useCallback(async () => {
+    if (!iframeRef.current?.contentWindow) {
+      console.warn('[UNO] iframe 不可用');
+      return;
+    }
+
+    console.log('[UNO] 跳转到最后一页');
+    await unoLastPage(iframeRef.current.contentWindow);
+    await new Promise((resolve) => setTimeout(resolve, 100));
+  }, [iframeRef]);
+
   return useMemo(
     () => ({
       searchText,
@@ -269,6 +363,12 @@ export function useCollaboraUnoCommands(iframeRef: RefObject<HTMLIFrameElement>)
       escapeSelection,
       scrollToTop,
       saveDocument,
+      zoomIn,
+      zoomOut,
+      setZoom,
+      gotoPage,
+      gotoFirstPage,
+      gotoLastPage,
     }),
     [
       searchText,
@@ -279,6 +379,12 @@ export function useCollaboraUnoCommands(iframeRef: RefObject<HTMLIFrameElement>)
       escapeSelection,
       scrollToTop,
       saveDocument,
+      zoomIn,
+      zoomOut,
+      setZoom,
+      gotoPage,
+      gotoFirstPage,
+      gotoLastPage,
     ]
   );
 }
diff --git a/app/components/collabora/types.ts b/app/components/collabora/types.ts
index 94e4a36..72e920c 100644
--- a/app/components/collabora/types.ts
+++ b/app/components/collabora/types.ts
@@ -35,3 +35,30 @@ export interface CollaboraViewerProps {
     /** 用户名称 */
     userName?: string;
 }
+
+/**
+ * CollaboraViewer 暴露给父组件的方法接口
+ */
+export interface CollaboraViewerHandle {
+    /** UNO 命令方法集合 */
+    unoCommands: {
+        searchText: (text: string) => Promise<void>;
+        locateText: (text: string) => Promise<void>;
+        replaceText: (searchText: string, replaceText: string) => Promise<void>;
+        highlightText: (text: string, color?: number) => Promise<void>;
+        removeHighlight: (text: string) => Promise<void>;
+        escapeSelection: () => Promise<void>;
+        scrollToTop: () => Promise<void>;
+        saveDocument: () => Promise<void>;
+        zoomIn: () => Promise<void>;
+        zoomOut: () => Promise<void>;
+        setZoom: (percentage: number) => Promise<void>;
+        gotoPage: (pageNumber: number) => Promise<void>;
+        gotoFirstPage: () => Promise<void>;
+        gotoLastPage: () => Promise<void>;
+    };
+    /** 文档是否已加载完成 */
+    isReady: boolean;
+    /** 当前模式 */
+    mode: 'view' | 'edit';
+}
diff --git a/app/components/reviews/FilePreview.tsx b/app/components/reviews/FilePreview.tsx
index be6ca10..352c3ea 100644
--- a/app/components/reviews/FilePreview.tsx
+++ b/app/components/reviews/FilePreview.tsx
@@ -5,7 +5,7 @@
 import { useState, useEffect, useRef, ChangeEvent } from 'react';
 import { Document, Page, pdfjs } from 'react-pdf';
 import { DOCUMENT_URL } from '~/api/axios-client';
-import { CollaboraViewer } from '~/components/collabora/CollaboraViewer';
+import { CollaboraViewer, type CollaboraViewerHandle } from '~/components/collabora/CollaboraViewer';
 
 // 设置worker路径为public目录下的worker文件
 // 使用已经下载的兼容版本 (pdfjs-dist v2.12.313)
@@ -85,10 +85,17 @@ export function FilePreview({ fileContent, activeReviewPointResultId, targetPage
   const [zoomLevel, setZoomLevel] = useState(100);
   // const [highlightsVisible, setHighlightsVisible] = useState(true);
   const contentRef = useRef<HTMLDivElement>(null);
+  const collaboraViewerRef = useRef<CollaboraViewerHandle>(null);
   const [numPages, setNumPages] = useState<number | null>(null);
   const [loadError, setLoadError] = useState<string | null>(null);
   const [pageInputValue, setPageInputValue] = useState<string>('');
-  
+
+  // 获取文件类型
+  const real_path = fileContent.path || fileContent.template_contract_path || '';
+  const fileExtension = real_path.split('.').pop()?.toLowerCase();
+  const isDocx = fileExtension === 'docx';
+  const isPdf = fileExtension === 'pdf';
+
   // 拖拽状态管理
   const [dragMode, setDragMode] = useState(false); // 是否处于拖拽模式
   const [isDragging, setIsDragging] = useState(false);
@@ -97,15 +104,35 @@ export function FilePreview({ fileContent, activeReviewPointResultId, targetPage
   
   // 放大文档
   const handleZoomIn = () => {
-    if (zoomLevel < 200) {
-      setZoomLevel(prevZoom => prevZoom + 10);
+    if (isDocx) {
+      // DOCX 文件：调用 Collabora UNO 命令
+      if (!collaboraViewerRef.current?.isReady) {
+        toastService.warning('文档尚未加载完成，请稍候...');
+        return;
+      }
+      collaboraViewerRef.current?.unoCommands.zoomIn();
+    } else if (isPdf) {
+      // PDF 文件：修改 zoomLevel 状态
+      if (zoomLevel < 200) {
+        setZoomLevel(prevZoom => prevZoom + 10);
+      }
     }
   };
-  
+
   // 缩小文档
   const handleZoomOut = () => {
-    if (zoomLevel > 50) {
-      setZoomLevel(prevZoom => prevZoom - 10);
+    if (isDocx) {
+      // DOCX 文件：调用 Collabora UNO 命令
+      if (!collaboraViewerRef.current?.isReady) {
+        toastService.warning('文档尚未加载完成，请稍候...');
+        return;
+      }
+      collaboraViewerRef.current?.unoCommands.zoomOut();
+    } else if (isPdf) {
+      // PDF 文件：修改 zoomLevel 状态
+      if (zoomLevel > 50) {
+        setZoomLevel(prevZoom => prevZoom - 10);
+      }
     }
   };
   
@@ -243,21 +270,37 @@ export function FilePreview({ fileContent, activeReviewPointResultId, targetPage
   
   // 处理页码跳转
   const handlePageJump = () => {
-    if (!pageInputValue || !numPages) return;
-    
+    if (!pageInputValue) return;
+
     const targetPageNum = parseInt(pageInputValue, 10);
-    
-    // 验证页码是否在有效范围内
-    if (targetPageNum > 0 && targetPageNum <= numPages) {
-      // 找到目标页面元素并滚动到该位置
-      const pageElement = document.getElementById(`page-${targetPageNum}`);
-      if (pageElement) {
-        pageElement.scrollIntoView({ behavior: 'smooth', block: 'start' });
+
+    if (isDocx) {
+      // DOCX 文件：调用 Collabora UNO 命令
+      if (!collaboraViewerRef.current?.isReady) {
+        toastService.warning('文档尚未加载完成，请稍候...');
+        return;
+      }
+      if (targetPageNum > 0) {
+        collaboraViewerRef.current?.unoCommands.gotoPage(targetPageNum);
+      } else {
+        toastService.warning('请输入有效页码');
+        setPageInputValue('');
+      }
+    } else if (isPdf) {
+      // PDF 文件：验证页码并滚动到目标页面
+      if (!numPages) return;
+
+      if (targetPageNum > 0 && targetPageNum <= numPages) {
+        // 找到目标页面元素并滚动到该位置
+        const pageElement = document.getElementById(`page-${targetPageNum}`);
+        if (pageElement) {
+          pageElement.scrollIntoView({ behavior: 'smooth', block: 'start' });
+        }
+      } else {
+        // 页码超出范围，显示错误信息或重置输入
+        toastService.warning(`请输入有效页码 (1-${numPages})`);
+        setPageInputValue('');
       }
-    } else {
-      // 页码超出范围，显示错误信息或重置输入
-      toastService.warning(`请输入有效页码 (1-${numPages})`);
-      setPageInputValue('');
     }
   };
 
@@ -285,8 +328,18 @@ export function FilePreview({ fileContent, activeReviewPointResultId, targetPage
 
   // 滚动到顶部
   const handleScrollToTop = () => {
-    if (contentRef.current) {
-      contentRef.current.scrollTo({ top: 0, behavior: 'smooth' });
+    if (isDocx) {
+      // DOCX 文件：调用 Collabora UNO 命令
+      if (!collaboraViewerRef.current?.isReady) {
+        toastService.warning('文档尚未加载完成，请稍候...');
+        return;
+      }
+      collaboraViewerRef.current?.unoCommands.scrollToTop();
+    } else {
+      // PDF 文件：滚动容器到顶部
+      if (contentRef.current) {
+        contentRef.current.scrollTo({ top: 0, behavior: 'smooth' });
+      }
     }
   };
   
@@ -385,8 +438,6 @@ export function FilePreview({ fileContent, activeReviewPointResultId, targetPage
   
   // 渲染文档内容
   const renderDocumentContent = () => {
-    const real_path = fileContent.path || fileContent.template_contract_path || '';
-
     // 如果路径无效，显示错误信息
     if (!real_path) {
       if(!fileContent.template_contract_path){
@@ -404,9 +455,7 @@ export function FilePreview({ fileContent, activeReviewPointResultId, targetPage
     }
 
     // console.log('real_path',real_path);
-    // 获取文件扩展名
-    const fileExtension = real_path.split('.').pop()?.toLowerCase();
-    
+
     // PDF内容渲染
     const renderPdfContent = () => (
       <div 
@@ -470,8 +519,9 @@ export function FilePreview({ fileContent, activeReviewPointResultId, targetPage
       // DOCX文件使用Collabora Online预览
       return (
         <CollaboraViewer
+          ref={collaboraViewerRef}
           fileId={real_path}
-          mode="view"
+          mode="edit"
           userId={userInfo?.sub || 'guest'}
           userName={userInfo?.nick_name || '访客'}
         />