diff --git a/package.json b/package.json
index 9cff2db..f4312c8 100644
--- a/package.json
+++ b/package.json
@@ -26,7 +26,7 @@
     "@nestjs/core": "^10.0.0",
     "@nestjs/jwt": "^10.2.0",
     "@nestjs/mapped-types": "*",
-    "@nestjs/passport": "^10.0.3",
+    "@nestjs/passport": "^10.0.0",
     "@nestjs/platform-express": "^10.0.0",
     "@nestjs/swagger": "^11.0.2",
     "@nestjs/typeorm": "^10.0.2",
@@ -40,7 +40,7 @@
     "dotenv": "^16.4.7",
     "install": "^0.13.0",
     "mysql2": "^3.12.0",
-    "passport": "^0.7.0",
+    "passport": "^0.6.0",
     "passport-github2": "^0.1.12",
     "passport-jwt": "^4.0.1",
     "passport-local": "^1.0.0",
@@ -57,7 +57,7 @@
     "@types/express": "^4.17.17",
     "@types/jest": "^29.5.2",
     "@types/node": "^20.3.1",
-    "@types/passport-jwt": "^4.0.1",
+    "@types/passport-jwt": "^3.0.9",
     "@types/supertest": "^6.0.0",
     "@typescript-eslint/eslint-plugin": "^6.0.0",
     "@typescript-eslint/parser": "^6.0.0",
diff --git a/pnpm-lock.yaml b/pnpm-lock.yaml
index 9e691a7..989a4fd 100644
--- a/pnpm-lock.yaml
+++ b/pnpm-lock.yaml
@@ -8,7 +8,7 @@ specifiers:
   '@nestjs/core': ^10.0.0
   '@nestjs/jwt': ^10.2.0
   '@nestjs/mapped-types': '*'
-  '@nestjs/passport': ^10.0.3
+  '@nestjs/passport': ^10.0.0
   '@nestjs/platform-express': ^10.0.0
   '@nestjs/schematics': ^10.0.0
   '@nestjs/swagger': ^11.0.2
@@ -19,7 +19,7 @@ specifiers:
   '@types/jest': ^29.5.2
   '@types/node': ^20.3.1
   '@types/passport-github2': ^1.2.9
-  '@types/passport-jwt': ^4.0.1
+  '@types/passport-jwt': ^3.0.9
   '@types/supertest': ^6.0.0
   '@types/uuid': ^10.0.0
   '@typescript-eslint/eslint-plugin': ^6.0.0
@@ -35,7 +35,7 @@ specifiers:
   install: ^0.13.0
   jest: ^29.5.0
   mysql2: ^3.12.0
-  passport: ^0.7.0
+  passport: ^0.6.0
   passport-github2: ^0.1.12
   passport-jwt: ^4.0.1
   passport-local: ^1.0.0
@@ -60,7 +60,7 @@ dependencies:
   '@nestjs/core': 10.4.15_akwwzhtnoftcbx5g7sbkce2laq
   '@nestjs/jwt': 10.2.0_@nestjs+common@10.4.15
   '@nestjs/mapped-types': 2.0.6_lhexpmbaszs2uqyaxe2vaiymm4
-  '@nestjs/passport': 10.0.3_zkygu43hvfc54d4x4wrnlrmh5q
+  '@nestjs/passport': 10.0.3_kyxbe6v4wnr5hwxeohqnnyhglu
   '@nestjs/platform-express': 10.4.15_5u4hn6whjn5aawl2edmluzh4i4
   '@nestjs/swagger': 11.0.2_f2iyopv64iutag35mprrixece4
   '@nestjs/typeorm': 10.0.2_5ay6scu5luhdsc23ie3iqrw3sm
@@ -74,7 +74,7 @@ dependencies:
   dotenv: 16.4.7
   install: 0.13.0
   mysql2: 3.12.0
-  passport: 0.7.0
+  passport: 0.6.0
   passport-github2: 0.1.12
   passport-jwt: 4.0.1
   passport-local: 1.0.0
@@ -91,7 +91,7 @@ devDependencies:
   '@types/express': 4.17.21
   '@types/jest': 29.5.14
   '@types/node': 20.17.12
-  '@types/passport-jwt': 4.0.1
+  '@types/passport-jwt': 3.0.13
   '@types/supertest': 6.0.2
   '@typescript-eslint/eslint-plugin': 6.21.0_wj7xg5aijo4gzz5szz6d7vhele
   '@typescript-eslint/parser': 6.21.0_6txzh3afdjfsavlpa2fczfkiua
@@ -1056,14 +1056,14 @@ packages:
       reflect-metadata: 0.1.14
     dev: false
 
-  /@nestjs/passport/10.0.3_zkygu43hvfc54d4x4wrnlrmh5q:
+  /@nestjs/passport/10.0.3_kyxbe6v4wnr5hwxeohqnnyhglu:
     resolution: {integrity: sha512-znJ9Y4S8ZDVY+j4doWAJ8EuuVO7SkQN3yOBmzxbGaXbvcSwFDAdGJ+OMCg52NdzIO4tQoN4pYKx8W6M0ArfFRQ==}
     peerDependencies:
       '@nestjs/common': ^8.0.0 || ^9.0.0 || ^10.0.0
       passport: ^0.4.0 || ^0.5.0 || ^0.6.0 || ^0.7.0
     dependencies:
       '@nestjs/common': 10.4.15_rcbhqa4so6dtcde4mhxkgzk6je
-      passport: 0.7.0
+      passport: 0.6.0
     dev: false
 
   /@nestjs/platform-express/10.4.15_5u4hn6whjn5aawl2edmluzh4i4:
@@ -1407,9 +1407,10 @@ packages:
       '@types/passport-oauth2': 1.4.17
     dev: false
 
-  /@types/passport-jwt/4.0.1:
-    resolution: {integrity: sha512-Y0Ykz6nWP4jpxgEUYq8NoVZeCQPo1ZndJLfapI249g1jHChvRfZRO/LS3tqu26YgAS/laI1qx98sYGz0IalRXQ==}
+  /@types/passport-jwt/3.0.13:
+    resolution: {integrity: sha512-fjHaC6Bv8EpMMqzTnHP32SXlZGaNfBPC/Po5dmRGYi2Ky7ljXPbGnOy+SxZqa6iZvFgVhoJ1915Re3m93zmcfA==}
     dependencies:
+      '@types/express': 4.17.21
       '@types/jsonwebtoken': 9.0.5
       '@types/passport-strategy': 0.2.38
     dev: true
@@ -4740,8 +4741,8 @@ packages:
     engines: {node: '>= 0.4.0'}
     dev: false
 
-  /passport/0.7.0:
-    resolution: {integrity: sha512-cPLl+qZpSc+ireUvt+IzqbED1cHHkDoVYMo30jbJIdOOjQ1MQYZBPiNvmi8UM6lJuOpTPXJGZQk0DtC4y61MYQ==}
+  /passport/0.6.0:
+    resolution: {integrity: sha512-0fe+p3ZnrWRW74fe8+SvCyf4a3Pb2/h7gFkQ8yTJpAO50gDzlfjZUZTO1k5Eg9kUct22OxHLqDZoKUWRHOh9ug==}
     engines: {node: '>= 0.4.0'}
     dependencies:
       passport-strategy: 1.0.0
diff --git a/src/auth/auth.module.ts b/src/auth/auth.module.ts
index a484e06..8e8b7b7 100644
--- a/src/auth/auth.module.ts
+++ b/src/auth/auth.module.ts
@@ -1,11 +1,28 @@
 import { Module } from '@nestjs/common';
+import { AuthService } from './auth.service';
+import { UserModule } from '../user/user.module';
 import { PassportModule } from '@nestjs/passport';
-import { AuthController } from './auth.controller';
-import { GitHubStrategy } from './github.strategy';
+import { JwtModule } from '@nestjs/jwt';
+import { JwtStrategy } from './strategies/jwt.strategy';
+import { APP_GUARD } from '@nestjs/core';
+import { JwtAuthGuard } from './guards/jwt-auth.guard';
 
 @Module({
-  imports: [PassportModule],
-  controllers: [AuthController],
-  providers: [GitHubStrategy],
+  imports: [
+    UserModule,
+    PassportModule.register({ defaultStrategy: 'jwt' }),
+    JwtModule.register({
+      secret: 'your-secret-key', // 使用与 JwtStrategy 相同的密钥
+      signOptions: { expiresIn: '1h' },
+    }),
+  ],
+  providers: [
+    AuthService,
+    JwtStrategy,
+    {
+      provide: APP_GUARD,
+      useClass: JwtAuthGuard,
+    },
+  ],
 })
 export class AuthModule {}
diff --git a/src/auth/decorators/public.decorator.ts b/src/auth/decorators/public.decorator.ts
new file mode 100644
index 0000000..b3845e1
--- /dev/null
+++ b/src/auth/decorators/public.decorator.ts
@@ -0,0 +1,4 @@
+import { SetMetadata } from '@nestjs/common';
+
+export const IS_PUBLIC_KEY = 'isPublic';
+export const Public = () => SetMetadata(IS_PUBLIC_KEY, true);
diff --git a/src/auth/guards/jwt-auth.guard.ts b/src/auth/guards/jwt-auth.guard.ts
new file mode 100644
index 0000000..6fb27d8
--- /dev/null
+++ b/src/auth/guards/jwt-auth.guard.ts
@@ -0,0 +1,39 @@
+import {
+  Injectable,
+  ExecutionContext,
+  UnauthorizedException,
+} from '@nestjs/common';
+import { AuthGuard } from '@nestjs/passport';
+import { Reflector } from '@nestjs/core';
+import { IS_PUBLIC_KEY } from '../decorators/public.decorator';
+import { Observable } from 'rxjs';
+
+@Injectable()
+export class JwtAuthGuard extends AuthGuard('jwt') {
+  constructor(private reflector: Reflector) {
+    super();
+  }
+
+  canActivate(
+    context: ExecutionContext,
+  ): boolean | Promise<boolean> | Observable<boolean> {
+    // 检查是否有Public装饰器
+    const isPublic = this.reflector.getAllAndOverride<boolean>(IS_PUBLIC_KEY, [
+      context.getHandler(),
+      context.getClass(),
+    ]);
+
+    if (isPublic) {
+      return true;
+    }
+
+    return super.canActivate(context);
+  }
+
+  handleRequest(err: any, user: any) {
+    if (err || !user) {
+      throw new UnauthorizedException('请先登录');
+    }
+    return user;
+  }
+}
diff --git a/src/auth/strategies/jwt.strategy.ts b/src/auth/strategies/jwt.strategy.ts
new file mode 100644
index 0000000..49bc48c
--- /dev/null
+++ b/src/auth/strategies/jwt.strategy.ts
@@ -0,0 +1,26 @@
+import { ExtractJwt, Strategy } from 'passport-jwt';
+import { PassportStrategy } from '@nestjs/passport';
+import { Injectable, UnauthorizedException } from '@nestjs/common';
+import { UserService } from '../../user/user.service';
+
+@Injectable()
+export class JwtStrategy extends PassportStrategy(Strategy) {
+  constructor(private userService: UserService) {
+    super({
+      jwtFromRequest: ExtractJwt.fromAuthHeaderAsBearerToken(),
+      ignoreExpiration: false,
+      secretOrKey: 'your-secret-key', // 必须与 JwtModule 中的密钥相同
+    });
+  }
+
+  async validate(payload: any) {
+    const user = await this.userService.findUserByUsername(payload.username);
+    if (!user) {
+      throw new UnauthorizedException();
+    }
+    if (!user.isActive) {
+      throw new UnauthorizedException('用户已被禁用');
+    }
+    return user;
+  }
+}
diff --git a/src/common/filters/http-exception.filter.ts b/src/common/filters/http-exception.filter.ts
new file mode 100644
index 0000000..38c5ad4
--- /dev/null
+++ b/src/common/filters/http-exception.filter.ts
@@ -0,0 +1,35 @@
+import {
+  ExceptionFilter,
+  Catch,
+  ArgumentsHost,
+  HttpException,
+} from '@nestjs/common';
+import { Response } from 'express';
+
+@Catch(HttpException)
+export class HttpExceptionFilter implements ExceptionFilter {
+  catch(exception: HttpException, host: ArgumentsHost) {
+    const ctx = host.switchToHttp();
+    const response = ctx.getResponse<Response>();
+    const status = exception.getStatus();
+    const exceptionResponse = exception.getResponse();
+
+    let message = '请求失败';
+    if (typeof exceptionResponse === 'string') {
+      message = exceptionResponse;
+    } else if (
+      typeof exceptionResponse === 'object' &&
+      'message' in exceptionResponse
+    ) {
+      message = (exceptionResponse as { message: string }).message;
+    }
+
+    response.status(status).json({
+      code: status,
+      success: false,
+      message,
+      data: null,
+      timestamp: new Date().toISOString(),
+    });
+  }
+}
diff --git a/src/common/interceptors/transform.interceptor.ts b/src/common/interceptors/transform.interceptor.ts
new file mode 100644
index 0000000..d059b79
--- /dev/null
+++ b/src/common/interceptors/transform.interceptor.ts
@@ -0,0 +1,36 @@
+import {
+  Injectable,
+  NestInterceptor,
+  ExecutionContext,
+  CallHandler,
+} from '@nestjs/common';
+import { Observable } from 'rxjs';
+import { map } from 'rxjs/operators';
+
+export interface Response<T> {
+  code: number;
+  success: boolean;
+  data: T;
+  message: string;
+  timestamp: string;
+}
+
+@Injectable()
+export class TransformInterceptor<T>
+  implements NestInterceptor<T, Response<T>>
+{
+  intercept(
+    context: ExecutionContext,
+    next: CallHandler,
+  ): Observable<Response<T>> {
+    return next.handle().pipe(
+      map((data) => ({
+        code: context.switchToHttp().getResponse().statusCode,
+        success: true,
+        data,
+        message: '请求成功',
+        timestamp: new Date().toISOString(),
+      })),
+    );
+  }
+}
diff --git a/src/main.ts b/src/main.ts
index 124a695..01ebb28 100644
--- a/src/main.ts
+++ b/src/main.ts
@@ -3,6 +3,8 @@ import { AppModule } from './app.module';
 import * as mysql from 'mysql2/promise';
 import { ConfigService } from '@nestjs/config';
 import * as dotenv from 'dotenv';
+import { HttpExceptionFilter } from './common/filters/http-exception.filter';
+import { TransformInterceptor } from './common/interceptors/transform.interceptor';
 
 dotenv.config();
 
@@ -26,6 +28,12 @@ async function bootstrap() {
     credentials: true, // 允许带有凭证（cookies）的请求
   });
 
+  // 注册全局异常过滤器
+  app.useGlobalFilters(new HttpExceptionFilter());
+
+  // 注册全局响应转换拦截器
+  app.useGlobalInterceptors(new TransformInterceptor());
+
   await app.listen(3030);
 }
 bootstrap();
diff --git a/src/user/entities/user.entity.ts b/src/user/entities/user.entity.ts
index 18bce22..3d0c458 100644
--- a/src/user/entities/user.entity.ts
+++ b/src/user/entities/user.entity.ts
@@ -16,4 +16,10 @@ export class User {
 
   @Column({ default: true })
   isActive: boolean;
+
+  @Column({ nullable: true })
+  refreshToken: string;
+
+  @Column({ nullable: true })
+  refreshTokenExpires: Date;
 }
diff --git a/src/user/user.controller.ts b/src/user/user.controller.ts
index f8c733c..a5585b4 100644
--- a/src/user/user.controller.ts
+++ b/src/user/user.controller.ts
@@ -1,14 +1,26 @@
-import { Controller, Post, Body, UnauthorizedException } from '@nestjs/common';
+import {
+  Controller,
+  Post,
+  Body,
+  UnauthorizedException,
+  BadRequestException,
+  Get,
+} from '@nestjs/common';
 import { UserService } from '../user/user.service';
+import { Public } from '../auth/decorators/public.decorator';
 
 @Controller('user')
 export class UserController {
   constructor(private readonly userService: UserService) {}
 
+  @Public()
   @Post('register')
   async register(
     @Body() body: { username: string; password: string; email: string },
   ) {
+    if (!body.password) {
+      throw new BadRequestException('Password is required');
+    }
     const { username, password, email } = body;
     const user = await this.userService.createUser(username, password, email);
     const token = await this.userService.generateToken(user);
@@ -19,6 +31,7 @@ export class UserController {
     };
   }
 
+  @Public()
   @Post('login')
   async login(@Body() body: { username: string; password: string }) {
     const { username, password } = body;
@@ -40,4 +53,10 @@ export class UserController {
       ...token,
     };
   }
+
+  @Public()
+  @Post('refresh-token')
+  async refreshToken(@Body() body: { refresh_token: string }) {
+    return this.userService.refreshAccessToken(body.refresh_token);
+  }
 }
diff --git a/src/user/user.module.ts b/src/user/user.module.ts
index 6f4b8e8..75f9b7f 100644
--- a/src/user/user.module.ts
+++ b/src/user/user.module.ts
@@ -9,7 +9,7 @@ import { UserController } from './user.controller';
   imports: [
     TypeOrmModule.forFeature([User]),
     JwtModule.register({
-      secret: 'your-secret-key', // 建议从环境变量中读取
+      secret: 'your-secret-key', // 必须与 JwtStrategy 中的密钥相同
       signOptions: { expiresIn: '24h' },
     }),
   ],
diff --git a/src/user/user.service.ts b/src/user/user.service.ts
index df8a0c7..923a06e 100644
--- a/src/user/user.service.ts
+++ b/src/user/user.service.ts
@@ -1,9 +1,10 @@
-import { Injectable } from '@nestjs/common';
+import { Injectable, UnauthorizedException } from '@nestjs/common';
 import { InjectRepository } from '@nestjs/typeorm';
 import { Repository } from 'typeorm';
 import { JwtService } from '@nestjs/jwt';
 import { User } from './entities/user.entity';
 import * as bcrypt from 'bcrypt';
+import { MoreThan } from 'typeorm';
 
 @Injectable()
 export class UserService {
@@ -14,7 +15,6 @@ export class UserService {
   ) {}
 
   async createUser(username: string, password: string, email: string) {
-    console.log(username, password, email);
     if (!password) {
       throw new Error('Password is required');
     }
@@ -43,12 +43,79 @@ export class UserService {
   }
 
   async generateToken(user: User) {
-    const payload = {
-      sub: user.id,
-      username: user.username,
-    };
+    const accessTokenExpiresIn = 3600; // 1小时，单位：秒
+    const refreshTokenExpiresIn = 7 * 24 * 3600; // 7天，单位：秒
+
+    const accessToken = this.jwtService.sign(
+      {
+        sub: user.id,
+        username: user.username,
+      },
+      { expiresIn: `${accessTokenExpiresIn}s` },
+    );
+
+    const refreshToken = this.jwtService.sign(
+      {
+        sub: user.id,
+      },
+      { expiresIn: `${refreshTokenExpiresIn}s` },
+    );
+
+    // 保存 refresh token 到数据库
+    const refreshTokenExpires = new Date();
+    refreshTokenExpires.setSeconds(
+      refreshTokenExpires.getSeconds() + refreshTokenExpiresIn,
+    );
+
+    await this.userRepository.update(user.id, {
+      refreshToken,
+      refreshTokenExpires,
+    });
+
     return {
-      access_token: this.jwtService.sign(payload),
+      access_token: accessToken,
+      refresh_token: refreshToken,
+      expires_in: accessTokenExpiresIn,
+      expires_at: Date.now() + accessTokenExpiresIn * 1000,
+      refresh_token_expires_in: refreshTokenExpiresIn,
+      refresh_token_expires_at: refreshTokenExpires.getTime(),
     };
   }
+
+  async refreshAccessToken(refreshToken: string) {
+    try {
+      // 验证 refresh token
+      const payload = this.jwtService.verify(refreshToken);
+      const user = await this.userRepository.findOne({
+        where: {
+          id: payload.sub,
+          refreshToken,
+          refreshTokenExpires: MoreThan(new Date()),
+        },
+      });
+
+      if (!user) {
+        throw new UnauthorizedException('Invalid refresh token');
+      }
+
+      // 生成新的 access token
+      const accessTokenExpiresIn = 3600; // 1小时，单位：秒
+
+      const accessToken = this.jwtService.sign(
+        {
+          sub: user.id,
+          username: user.username,
+        },
+        { expiresIn: `${accessTokenExpiresIn}s` },
+      );
+
+      return {
+        access_token: accessToken,
+        expires_in: accessTokenExpiresIn,
+        expires_at: Date.now() + accessTokenExpiresIn * 1000,
+      };
+    } catch {
+      throw new UnauthorizedException('Invalid refresh token');
+    }
+  }
 }