diff --git a/apps/server/src/upload/share-code.service.ts b/apps/server/src/upload/share-code.service.ts
index 9ac5d30..6dfebc6 100644
--- a/apps/server/src/upload/share-code.service.ts
+++ b/apps/server/src/upload/share-code.service.ts
@@ -38,16 +38,17 @@ export class ShareCodeService {
       });
       
       if (existingShareCode) {
-        // 更新现有记录
+        // 更新现有记录，但保留原有文件名
         await db.shareCode.update({
           where: { fileId },
           data: {
-            fileName: fileName || null,
             code,
             expiresAt,
             isUsed: false,
-            // 如果提供了文件名且现有记录没有文件名，则更新文件名
-            ...(fileName && !existingShareCode.fileName ? { fileName } : {}),
+            // 只在没有现有文件名且提供了新文件名时才更新文件名
+            ...(fileName && !existingShareCode.fileName 
+              ? { fileName } 
+              : {})
           },
         });
       } else {
@@ -75,7 +76,7 @@ export class ShareCodeService {
     }
   }
 
-  async validateAndUseCode(code: string): Promise<string | null> {
+  async validateAndUseCode(code: string): Promise<ShareCode | null> {
     try {
       console.log(`尝试验证分享码: ${code}`);
       
@@ -104,7 +105,8 @@ export class ShareCodeService {
       // 记录使用日志
       this.logger.log(`Share code ${code} used for file ${shareCode.fileId}`);
 
-      return shareCode.fileId;
+      // 返回完整的分享码信息，包括文件名
+      return shareCode;
     } catch (error) {
       this.logger.error('Failed to validate share code', error);
       return null;
diff --git a/apps/server/src/upload/types.ts b/apps/server/src/upload/types.ts
index 9ce1963..b841871 100755
--- a/apps/server/src/upload/types.ts
+++ b/apps/server/src/upload/types.ts
@@ -22,12 +22,13 @@ export interface UploadLock {
 }
 
 export interface ShareCode {
+  id: string;
   code: string;
   fileId: string;
   createdAt: Date;
   expiresAt: Date;
   isUsed: boolean;
-  fileName?: string;
+  fileName?: string | null;
 }
 
 export interface GenerateShareCodeResponse {
diff --git a/apps/server/src/upload/upload.controller.ts b/apps/server/src/upload/upload.controller.ts
index f15a1cf..b2dbd5e 100755
--- a/apps/server/src/upload/upload.controller.ts
+++ b/apps/server/src/upload/upload.controller.ts
@@ -47,11 +47,35 @@ export class UploadController {
   }
   @Get('share/:code')
   async validateShareCode(@Param('code') code: string) {
-    const fileId = await this.shareCodeService.validateAndUseCode(code);
-    if (!fileId) {
-      throw new NotFoundException('分享码无效或已过期');
+    console.log('收到验证分享码请求，code:', code);
+    
+    const shareCode = await this.shareCodeService.validateAndUseCode(code);
+    console.log('验证分享码结果:', shareCode);
+    
+    if (!shareCode) {
+        throw new NotFoundException('分享码无效或已过期');
     }
-    return { fileId };
+
+    // 获取文件信息
+    const resource = await this.resourceService.findUnique({
+        where: { fileId: shareCode.fileId },
+    });
+    console.log('获取到的资源信息:', resource);
+
+    if (!resource) {
+        throw new NotFoundException('文件不存在');
+    }
+
+    // 直接返回正确的数据结构
+    const response = {
+        fileId: shareCode.fileId,
+        fileName:shareCode.fileName || 'downloaded_file',
+        code: shareCode.code,
+        expiresAt: shareCode.expiresAt
+    };
+
+    console.log('返回给前端的数据:', response);  // 添加日志
+    return response;
   }
 
   @Get('share/info/:code')
diff --git a/apps/web/src/app/main/admin/deptsettingpage/page.tsx b/apps/web/src/app/main/admin/deptsettingpage/page.tsx
index 4727be5..7bfd279 100644
--- a/apps/web/src/app/main/admin/deptsettingpage/page.tsx
+++ b/apps/web/src/app/main/admin/deptsettingpage/page.tsx
@@ -9,12 +9,13 @@ const { TabPane } = Tabs;
 
 export default function DeptSettingPage() {
     const [uploadedFileId, setUploadedFileId] = useState<string>('');
-    const [fileNameMap, setFileNameMap] = useState<Record<string, string>>({});
+    const [uploadedFileName, setUploadedFileName] = useState<string>('');
     
     // 使用您的 useTusUpload hook
     const { uploadProgress, isUploading, uploadError, handleFileUpload } = useTusUpload({
-        onSuccess: (fileId: string) => {
-            setUploadedFileId(fileId);
+        onSuccess: (result) => {
+            setUploadedFileId(result.fileId);
+            setUploadedFileName(result.fileName);
             message.success('文件上传成功');
         },
         onError: (error: Error) => {
@@ -30,27 +31,22 @@ export default function DeptSettingPage() {
             file,
             async (result) => {
                 setUploadedFileId(result.fileId);
-                
-                // 在前端保存文件名映射（用于当前会话）
-                setFileNameMap(prev => ({
-                    ...prev,
-                    [result.fileId]: file.name
-                }));
-                
-                // 上传成功后保存原始文件名到数据库
+                setUploadedFileName(result.fileName);
+
                 try {
-                    console.log('正在保存文件名到数据库:', file.name, '对应文件ID:', result.fileId);
+                    console.log('正在保存文件名到数据库:', result.fileName, '对应文件ID:', result.fileId);
                     
-                    const response = await fetch('/api/upload/filename', {
+                    const response = await fetch('http://localhost:3000/upload/filename', {
                         method: 'POST',
                         headers: {
                             'Content-Type': 'application/json',
                         },
                         body: JSON.stringify({ 
                             fileId: result.fileId, 
-                            fileName: file.name 
+                            fileName: file.name
                         }),
                     });
+
                     
                     const responseText = await response.text();
                     console.log('保存文件名响应:', response.status, responseText);
@@ -82,53 +78,30 @@ export default function DeptSettingPage() {
     };
 
     // 处理分享码验证成功
-    const handleValidSuccess = async (fileId: string) => {
+    const handleValidSuccess = async (fileId: string, fileName: string) => {
         try {
-            // 构建下载URL
-            const response = await fetch(`/api/upload/download/${fileId}`);
+            // 构建下载URL（包含文件名参数）
+            const downloadUrl = `/upload/download/${fileId}?fileName=${encodeURIComponent(fileName)}`;
+            const response = await fetch(downloadUrl);
             if (!response.ok) {
                 throw new Error('文件下载失败');
             }
-
-            // 获取文件名
-            const contentDisposition = response.headers.get('content-disposition');
-            console.log('Content-Disposition 头:', contentDisposition);
-            
-            let filename = fileNameMap[fileId] || 'downloaded-file'; // 优先使用本地缓存的文件名
-            
-            if (contentDisposition) {
-                // 改进文件名提取逻辑
-                const filenameRegex = /filename[^;=\n]*=((['"]).*?\2|[^;\n]*)/;
-                const matches = filenameRegex.exec(contentDisposition);
-                if (matches && matches[1]) {
-                    // 移除引号并解码 URL 编码的文件名
-                    filename = matches[1].replace(/['"]/g, '');
-                    try {
-                        // 尝试解码 URL 编码的文件名
-                        filename = decodeURIComponent(filename);
-                    } catch (e) {
-                        console.warn('文件名解码失败，使用原始文件名');
-                    }
-                }
-            }
-
-            console.log('提取的文件名:', filename);
-
+    
             // 创建下载链接
             const blob = await response.blob();
             const url = window.URL.createObjectURL(blob);
             const link = document.createElement('a');
             link.href = url;
             
-            // 使用获取到的文件名或本地缓存的文件名
-            link.download = filename;
+            // 直接使用传入的 fileName
+            link.download = fileName;
             
             // 触发下载
             document.body.appendChild(link);
             link.click();
             document.body.removeChild(link);
             window.URL.revokeObjectURL(url);
-
+    
             message.success('文件下载开始');
         } catch (error) {
             console.error('下载失败:', error);
diff --git a/apps/web/src/app/main/admin/sharecode/sharecodegenerator.tsx b/apps/web/src/app/main/admin/sharecode/sharecodegenerator.tsx
index a7f8cc7..084ef48 100644
--- a/apps/web/src/app/main/admin/sharecode/sharecodegenerator.tsx
+++ b/apps/web/src/app/main/admin/sharecode/sharecodegenerator.tsx
@@ -6,11 +6,13 @@ import { CopyOutlined } from '@ant-design/icons';
 interface ShareCodeGeneratorProps {
   fileId: string;
   onSuccess?: (code: string) => void;
+  fileName?: string;
 }
 
 export const ShareCodeGenerator: React.FC<ShareCodeGeneratorProps> = ({
   fileId,
   onSuccess,
+  fileName,
 }) => {
   const [loading, setLoading] = useState(false);
   const [shareCode, setShareCode] = useState<string>('');
@@ -18,16 +20,17 @@ export const ShareCodeGenerator: React.FC<ShareCodeGeneratorProps> = ({
 
   const generateCode = async () => {
     setLoading(true);
-    console.log('开始生成分享码，fileId:', fileId);
+    console.log('开始生成分享码，fileId:', fileId, 'fileName:', fileName);
 
     try {
       const response = await fetch(`http://localhost:3000/upload/share/${fileId}`, {
         method: 'POST',
-        // headers: {
-        //   'Content-Type': 'application/json',
-        // },
-        // body: JSON.stringify({
-        // })
+        headers: {
+          'Content-Type': 'application/json',
+        },
+        body: JSON.stringify({
+            fileId
+        })
       });
       console.log('Current fileId:', fileId); // 确保 fileId 有效
       console.log('请求URL:', `/upload/share/${fileId}`);
diff --git a/apps/web/src/app/main/admin/sharecode/sharecodevalidator.tsx b/apps/web/src/app/main/admin/sharecode/sharecodevalidator.tsx
index e10d7ae..a973456 100644
--- a/apps/web/src/app/main/admin/sharecode/sharecodevalidator.tsx
+++ b/apps/web/src/app/main/admin/sharecode/sharecodevalidator.tsx
@@ -3,7 +3,7 @@ import { Input, Button, message } from 'antd';
 import styles from './ShareCodeValidator.module.css';
 
 interface ShareCodeValidatorProps {
-  onValidSuccess: (fileId: string) => void;
+  onValidSuccess: (fileId: string, fileName: string) => void;
 }
 
 export const ShareCodeValidator: React.FC<ShareCodeValidatorProps> = ({
@@ -26,10 +26,20 @@ export const ShareCodeValidator: React.FC<ShareCodeValidatorProps> = ({
         const errorData = await response.json().catch(() => ({}));
         throw new Error(errorData.message || '分享码无效或已过期');
       }
+
       const data = await response.json();
-      onValidSuccess(data.fileId);
-      message.success('验证成功');
+      console.log('验证分享码返回数据:', data);
+
+      if (!data.fileId) {
+        throw new Error('未找到文件ID');
+      }
+
+      const fileName = data.fileName || 'downloaded_file';
+      
+      onValidSuccess(data.fileId, fileName);
+      message.success(`验证成功，文件名：${fileName}`);
     } catch (error) {
+      console.error('验证分享码失败:', error);
       message.error('分享码无效或已过期');
     } finally {
       setLoading(false);
diff --git a/apps/web/src/hooks/useTusUpload.ts b/apps/web/src/hooks/useTusUpload.ts
index 5e2e761..490dfd4 100755
--- a/apps/web/src/hooks/useTusUpload.ts
+++ b/apps/web/src/hooks/useTusUpload.ts
@@ -7,9 +7,10 @@ interface UploadResult {
 	compressedUrl: string;
 	url: string;
 	fileId: string;
+	fileName: string;
 }
 
-export function useTusUpload(p0: { onSuccess: (fileId: string) => void; onError: (error: Error) => void; }) {
+export function useTusUpload(p0: { onSuccess: (result: UploadResult) => void; onError: (error: Error) => void; }) {
 	const [uploadProgress, setUploadProgress] = useState<
 		Record<string, number>
 	>({});
@@ -87,6 +88,7 @@ export function useTusUpload(p0: { onSuccess: (fileId: string) => void; onError:
 								compressedUrl: getCompressedImageUrl(url),
 								url,
 								fileId,
+								fileName: uploadFile.name,
 							});
 						}
 					} catch (error) {