diff --git a/src/lib/server/auth.ts b/src/lib/server/auth.ts
index 38c9930..eab1e7a 100644
--- a/src/lib/server/auth.ts
+++ b/src/lib/server/auth.ts
@@ -20,7 +20,9 @@ export async function createSession(token: string, userId: string) {
 	const session: table.Session = {
 		id: sessionId,
 		userId,
-		expiresAt: new Date(Date.now() + DAY_IN_MS * 30)
+		expiresAt: new Date(Date.now() + DAY_IN_MS * 30),
+		createdAt: new Date(Date.now()),
+		updatedAt: new Date(Date.now()),
 	};
 	await db.insert(table.session).values(session);
 	return session;
diff --git a/src/lib/server/db/schema.ts b/src/lib/server/db/schema.ts
index e0e2239..653d167 100644
--- a/src/lib/server/db/schema.ts
+++ b/src/lib/server/db/schema.ts
@@ -2,17 +2,47 @@ import { pgTable, serial, integer, text, timestamp } from 'drizzle-orm/pg-core';
 
 export const user = pgTable('user', {
 	id: text('id').primaryKey(),
-	age: integer('age'),
-	username: text('username').notNull().unique(),
-	passwordHash: text('password_hash').notNull()
+	age: integer('age'),   //나이
+	username: text('username').notNull().unique(), // username 이 사용자가 회원가입 할때 id 임
+	nickname: text('nickname'),    // 별칭
+	helloword: text('helloword'),  // 인사말, 소개말
+	avatar: text('avatar'),  		 // 아바타 파일경로
+	email: text('email'),          // 이메일주소
+	gender: text('gender'),		 // 성별
+	passwordHash: text('password_hash').notNull(),
+	createdAt: timestamp(),
+	updatedAt: timestamp(),
 });
 
 export const session = pgTable('session', {
 	id: text('id').primaryKey(),
 	userId: text('user_id').notNull().references(() => user.id),
-	expiresAt: timestamp('expires_at', { withTimezone: true, mode: 'date' }).notNull()
+	expiresAt: timestamp('expires_at', { withTimezone: true, mode: 'date' }).notNull(),
+	createdAt: timestamp(),
+	updatedAt: timestamp(),
+});
+
+export const post = pgTable('post', {
+	id: text('id').primaryKey(),
+	subject: text('subject'),
+	slug: text('subject'),
+	content: text('subject'),
+	author: text('author'),
+	status: text('status'),  // draft, published 등등..
+	category: text('category'),
+	createdAt: timestamp(),
+	updatedAt: timestamp(),
+});
+
+export const hierarchy = pgTable('hierarchy', {
+	id: text('id').primaryKey(),
+	name: text('subject'),
+	parent_id: text('subject'),
+	createdAt: timestamp(),
+	updatedAt: timestamp(),
 });
 
 export type Session = typeof session.$inferSelect;
-
 export type User = typeof user.$inferSelect;
+export type Post = typeof post.$inferSelect;
+export type Hierarchy = typeof hierarchy.$inferSelect;