diff --git a/package.json b/package.json
index e6a6aa0..59bc1a6 100644
--- a/package.json
+++ b/package.json
@@ -22,6 +22,7 @@
   "dependencies": {
     "@nestjs/common": "^6.0.0",
     "@nestjs/core": "^6.0.0",
+    "@nestjs/jwt": "^6.1.1",
     "@nestjs/platform-express": "^6.0.0",
     "@nestjs/typeorm": "^6.1.2",
     "@types/bcrypt": "^3.0.0",
diff --git a/src/modules/auth/auth.interface.ts b/src/modules/auth/auth.interface.ts
new file mode 100644
index 0000000..615fc7f
--- /dev/null
+++ b/src/modules/auth/auth.interface.ts
@@ -0,0 +1,4 @@
+export interface JwtPayload {
+    id: number;
+    username: string
+}
\ No newline at end of file
diff --git a/src/modules/auth/auth.module.ts b/src/modules/auth/auth.module.ts
index 83d7952..e7f077a 100644
--- a/src/modules/auth/auth.module.ts
+++ b/src/modules/auth/auth.module.ts
@@ -2,10 +2,17 @@ import { Module } from '@nestjs/common';
 import { AuthController } from './auth.controller';
 import { AuthService } from './auth.service';
 import { UserModule } from '../user/user.module';
+import { JwtModule } from '@nestjs/jwt';
 
 @Module({
   imports: [
     UserModule,
+    JwtModule.register({
+      secretOrPrivateKey: 'nDSAR3+K4pLD+HIl9xWFY/n7maMxLwPTj5gscZvd9Vo=',
+      signOptions: {
+        expiresIn: '12h',
+      }
+    })
   ],
   controllers: [AuthController],
   providers: [AuthService]
diff --git a/src/modules/auth/auth.service.ts b/src/modules/auth/auth.service.ts
index 8949913..d477a9c 100644
--- a/src/modules/auth/auth.service.ts
+++ b/src/modules/auth/auth.service.ts
@@ -1,11 +1,14 @@
 import { Injectable, UnauthorizedException } from '@nestjs/common';
 import { UserService } from '../user/user.service';
 import { LoginDto } from './login.dto';
+import { JwtPayload } from './auth.interface';
+import { JwtService } from '@nestjs/jwt';
 
 @Injectable()
 export class AuthService {
     constructor(
         private readonly userService: UserService,
+        private readonly jwtService: JwtService,
     ) {}
 
     async login(data: LoginDto) {
@@ -23,6 +26,17 @@ export class AuthService {
             throw new UnauthorizedException('密码错误')
         }
 
-        return entity
+        const { id } = entity
+        const payload = {username, id}
+        const token = this.signToken(payload)
+
+        return {
+            ...payload
+            token
+        }
+    }
+
+    signToken(data: JwtPayload) {
+        return this.jwtService.sign(data)
     }
 }
diff --git a/yarn.lock b/yarn.lock
index c146f31..832468e 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -39,6 +39,14 @@
     optional "0.1.4"
     uuid "3.3.2"
 
+"@nestjs/jwt@^6.1.1":
+  version "6.1.1"
+  resolved "https://registry.npm.taobao.org/@nestjs/jwt/download/@nestjs/jwt-6.1.1.tgz#78883321fc8663a7cf32aa725a70adc8454bbf5d"
+  integrity sha1-eIgzIfyGY6fPMqpyWnCtyEVLv10=
+  dependencies:
+    "@types/jsonwebtoken" "7.2.8"
+    jsonwebtoken "8.4.0"
+
 "@nestjs/platform-express@^6.0.0":
   version "6.3.1"
   resolved "https://registry.npm.taobao.org/@nestjs/platform-express/download/@nestjs/platform-express-6.3.1.tgz#8adb602a5bb9571b9d58646bd52141a26ea8ba3e"
@@ -124,6 +132,13 @@
   resolved "https://registry.npm.taobao.org/@types/json5/download/@types/json5-0.0.29.tgz#ee28707ae94e11d2b827bcbe5270bcea7f3e71ee"
   integrity sha1-7ihweulOEdK4J7y+UnC86n8+ce4=
 
+"@types/jsonwebtoken@7.2.8":
+  version "7.2.8"
+  resolved "https://registry.npm.taobao.org/@types/jsonwebtoken/download/@types/jsonwebtoken-7.2.8.tgz#8d199dab4ddb5bba3234f8311b804d2027af2b3a"
+  integrity sha1-jRmdq03bW7oyNPgxG4BNICevKzo=
+  dependencies:
+    "@types/node" "*"
+
 "@types/mime@*":
   version "2.0.1"
   resolved "https://registry.npm.taobao.org/@types/mime/download/@types/mime-2.0.1.tgz#dc488842312a7f075149312905b5e3c0b054c79d"
@@ -723,6 +738,11 @@ bser@^2.0.0:
   dependencies:
     node-int64 "^0.4.0"
 
+buffer-equal-constant-time@1.0.1:
+  version "1.0.1"
+  resolved "https://registry.npm.taobao.org/buffer-equal-constant-time/download/buffer-equal-constant-time-1.0.1.tgz#f8e71132f7ffe6e01a5c9697a4c6f3e48d5cc819"
+  integrity sha1-+OcRMvf/5uAaXJaXpMbz5I1cyBk=
+
 buffer-from@1.x, buffer-from@^1.0.0:
   version "1.1.1"
   resolved "https://registry.npm.taobao.org/buffer-from/download/buffer-from-1.1.1.tgz#32713bc028f75c02fdb710d7c7bcec1f2c6070ef"
@@ -1311,6 +1331,13 @@ ecc-jsbn@~0.1.1:
     jsbn "~0.1.0"
     safer-buffer "^2.1.0"
 
+ecdsa-sig-formatter@1.0.11:
+  version "1.0.11"
+  resolved "https://registry.npm.taobao.org/ecdsa-sig-formatter/download/ecdsa-sig-formatter-1.0.11.tgz#ae0f0fa2d85045ef14a817daa3ce9acd0489e5bf"
+  integrity sha1-rg8PothQRe8UqBfao86azQSJ5b8=
+  dependencies:
+    safe-buffer "^5.0.1"
+
 ee-first@1.1.1:
   version "1.1.1"
   resolved "https://registry.npm.taobao.org/ee-first/download/ee-first-1.1.1.tgz#590c61156b0ae2f4f0255732a158b266bc56b21d"
@@ -2982,6 +3009,21 @@ json5@^1.0.1:
   dependencies:
     minimist "^1.2.0"
 
+jsonwebtoken@8.4.0:
+  version "8.4.0"
+  resolved "https://registry.npm.taobao.org/jsonwebtoken/download/jsonwebtoken-8.4.0.tgz#8757f7b4cb7440d86d5e2f3becefa70536c8e46a"
+  integrity sha1-h1f3tMt0QNhtXi877O+nBTbI5Go=
+  dependencies:
+    jws "^3.1.5"
+    lodash.includes "^4.3.0"
+    lodash.isboolean "^3.0.3"
+    lodash.isinteger "^4.0.4"
+    lodash.isnumber "^3.0.3"
+    lodash.isplainobject "^4.0.6"
+    lodash.isstring "^4.0.1"
+    lodash.once "^4.0.0"
+    ms "^2.1.1"
+
 jsprim@^1.2.2:
   version "1.4.1"
   resolved "https://registry.npm.taobao.org/jsprim/download/jsprim-1.4.1.tgz#313e66bc1e5cc06e438bc1b7499c2e5c56acb6a2"
@@ -2992,6 +3034,23 @@ jsprim@^1.2.2:
     json-schema "0.2.3"
     verror "1.10.0"
 
+jwa@^1.4.1:
+  version "1.4.1"
+  resolved "https://registry.npm.taobao.org/jwa/download/jwa-1.4.1.tgz#743c32985cb9e98655530d53641b66c8645b039a"
+  integrity sha1-dDwymFy56YZVUw1TZBtmyGRbA5o=
+  dependencies:
+    buffer-equal-constant-time "1.0.1"
+    ecdsa-sig-formatter "1.0.11"
+    safe-buffer "^5.0.1"
+
+jws@^3.1.5:
+  version "3.2.2"
+  resolved "https://registry.npm.taobao.org/jws/download/jws-3.2.2.tgz#001099f3639468c9414000e99995fa52fb478304"
+  integrity sha1-ABCZ82OUaMlBQADpmZX6UvtHgwQ=
+  dependencies:
+    jwa "^1.4.1"
+    safe-buffer "^5.0.1"
+
 kind-of@^3.0.2, kind-of@^3.0.3, kind-of@^3.2.0:
   version "3.2.2"
   resolved "https://registry.npm.taobao.org/kind-of/download/kind-of-3.2.2.tgz#31ea21a734bab9bbb0f32466d893aea51e4a3c64"
@@ -3087,6 +3146,41 @@ locate-path@^3.0.0:
     p-locate "^3.0.0"
     path-exists "^3.0.0"
 
+lodash.includes@^4.3.0:
+  version "4.3.0"
+  resolved "https://registry.npm.taobao.org/lodash.includes/download/lodash.includes-4.3.0.tgz#60bb98a87cb923c68ca1e51325483314849f553f"
+  integrity sha1-YLuYqHy5I8aMoeUTJUgzFISfVT8=
+
+lodash.isboolean@^3.0.3:
+  version "3.0.3"
+  resolved "https://registry.npm.taobao.org/lodash.isboolean/download/lodash.isboolean-3.0.3.tgz#6c2e171db2a257cd96802fd43b01b20d5f5870f6"
+  integrity sha1-bC4XHbKiV82WgC/UOwGyDV9YcPY=
+
+lodash.isinteger@^4.0.4:
+  version "4.0.4"
+  resolved "https://registry.npm.taobao.org/lodash.isinteger/download/lodash.isinteger-4.0.4.tgz#619c0af3d03f8b04c31f5882840b77b11cd68343"
+  integrity sha1-YZwK89A/iwTDH1iChAt3sRzWg0M=
+
+lodash.isnumber@^3.0.3:
+  version "3.0.3"
+  resolved "https://registry.npm.taobao.org/lodash.isnumber/download/lodash.isnumber-3.0.3.tgz#3ce76810c5928d03352301ac287317f11c0b1ffc"
+  integrity sha1-POdoEMWSjQM1IwGsKHMX8RwLH/w=
+
+lodash.isplainobject@^4.0.6:
+  version "4.0.6"
+  resolved "https://registry.npm.taobao.org/lodash.isplainobject/download/lodash.isplainobject-4.0.6.tgz#7c526a52d89b45c45cc690b88163be0497f550cb"
+  integrity sha1-fFJqUtibRcRcxpC4gWO+BJf1UMs=
+
+lodash.isstring@^4.0.1:
+  version "4.0.1"
+  resolved "https://registry.npm.taobao.org/lodash.isstring/download/lodash.isstring-4.0.1.tgz#d527dfb5456eca7cc9bb95d5daeaf88ba54a5451"
+  integrity sha1-1SfftUVuynzJu5XV2ur4i6VKVFE=
+
+lodash.once@^4.0.0:
+  version "4.1.1"
+  resolved "https://registry.npm.taobao.org/lodash.once/download/lodash.once-4.1.1.tgz#0dd3971213c7c56df880977d504c88fb471a97ac"
+  integrity sha1-DdOXEhPHxW34gJd9UEyI+0cal6w=
+
 lodash.sortby@^4.7.0:
   version "4.7.0"
   resolved "https://registry.npm.taobao.org/lodash.sortby/download/lodash.sortby-4.7.0.tgz#edd14c824e2cc9c1e0b0a1b42bb5210516a42438"