diff --git a/persona-brain-db/api/server.js b/persona-brain-db/api/server.js
index f48e323..1be6bcf 100644
--- a/persona-brain-db/api/server.js
+++ b/persona-brain-db/api/server.js
@@ -13,6 +13,7 @@ const cognitionRoutes = require('./routes/cognition');
 const memoryRoutes = require('./routes/memory');
 const profilesRoutes = require('./routes/profiles');
 const agentsRoutes = require('./routes/agents');
+const documentsRoutes = require('./routes/documents');
 const authMiddleware = require('./middleware/auth');
 
 const DB_PATH = path.join(__dirname, '..', 'brain.db');
@@ -38,6 +39,9 @@ app.use((req, _res, next) => {
   next();
 });
 
+// 静态文件（前端页面）
+app.use(express.static(path.join(__dirname, '..', 'frontend')));
+
 // 健康检查（无鉴权）
 app.get('/brain/health', (_req, res) => {
   res.json({
@@ -53,6 +57,8 @@ app.use('/brain/cognition', authMiddleware, cognitionRoutes);
 app.use('/brain/memory', authMiddleware, memoryRoutes);
 app.use('/brain/profiles', authMiddleware, profilesRoutes);
 app.use('/brain/agents', authMiddleware, agentsRoutes);
+// documents: 语言层数据库核心，人格体读写，人类只读
+app.use('/brain/documents', authMiddleware, documentsRoutes);
 
 // 全局错误处理
 app.use((err, _req, res, _next) => {