diff --git a/backend/src/routes/portal.routes.ts b/backend/src/routes/portal.routes.ts
index 72cfcdb..19b363d 100644
--- a/backend/src/routes/portal.routes.ts
+++ b/backend/src/routes/portal.routes.ts
@@ -1055,7 +1055,7 @@ router.post('/attachments', portalAuth, async (req: any, res, next) => {
       return res.status(400).json({ success: false, error: { code: 'BAD_REQUEST', message: '文件名和文件内容不能为空' } })
     }
     const attachment = await prisma.employeeAttachment.create({
-      data: { orgId, employeeId, fileName, fileType: fileType || 'OTHER', fileUrl, fileSize: fileSize || 0 },
+      data: { orgId, employeeId, fileName, fileType: fileType || 'OTHER', fileUrl, fileSize: fileSize || 0, uploadedBy: req.employee.id },
     })
     res.json({ success: true, data: attachment })
   } catch (err) { next(err) }