diff --git a/README.md b/README.md
index ec27699..f72f328 100644
--- a/README.md
+++ b/README.md
@@ -52,6 +52,8 @@ exports.sequelize = {
 
 ```js
 exports.sequelize = {
+  app: true, // load sequelize in app(worker)
+  agent: true, // load sequelize in agent
   dialect: 'mysql', // support: mysql, mariadb, postgres, mssql
   database: 'test',
   host: 'localhost',
@@ -82,6 +84,8 @@ egg-sequelize has a default sequelize options below
 
 ```js
 {
+    app: true,
+    agent: true,
     delegate: 'model',
     baseDir: 'model',
     logging(...args) {
@@ -363,4 +367,3 @@ Please open an issue [here](https://github.com/eggjs/egg/issues).
 ## License
 
 [MIT](LICENSE)
-
diff --git a/agent.js b/agent.js
index 92b0d38..81c3948 100644
--- a/agent.js
+++ b/agent.js
@@ -1,5 +1,7 @@
 'use strict';
 
 module.exports = agent => {
-  require('./lib/loader')(agent);
+  if (agent.config.sequelize.agent) {
+    require('./lib/loader')(agent);
+  }
 };
diff --git a/app.js b/app.js
index 1d56502..fba03d8 100644
--- a/app.js
+++ b/app.js
@@ -1,6 +1,7 @@
 'use strict';
 
 module.exports = app => {
-  require('./lib/loader')(app);
+  if (app.config.sequelize.app) {
+    require('./lib/loader')(app);
+  }
 };
-
diff --git a/config/config.default.js b/config/config.default.js
index 8fadc8a..14d4616 100644
--- a/config/config.default.js
+++ b/config/config.default.js
@@ -1,6 +1,8 @@
 'use strict';
 
 exports.sequelize = {
+  agent: true,
+  app: true,
   dialect: 'mysql',
   database: '',
   host: 'localhost',
diff --git a/index.d.ts b/index.d.ts
index b1c57b3..e18ee09 100644
--- a/index.d.ts
+++ b/index.d.ts
@@ -22,6 +22,18 @@ interface EggSequelizeOptions extends sequelize.Options {
    * `connectionUri:"mysql://localhost:3306/database"`
    */
   connectionUri?: string;
+
+  /**
+   * Load sequelize in app(worker)
+   * @default true
+   */
+  app?: boolean;
+
+  /**
+   * Load sequelize in agent
+   * @default true
+   */
+  agent?: boolean;
 }
 
 interface DataSources {
diff --git a/test/fixtures/apps/connection-uri/config/config.default.ts b/test/fixtures/apps/connection-uri/config/config.default.ts
index f407e1f..b892428 100644
--- a/test/fixtures/apps/connection-uri/config/config.default.ts
+++ b/test/fixtures/apps/connection-uri/config/config.default.ts
@@ -7,6 +7,8 @@ export default (appInfo: EggAppInfo) => {
   config.keys = '123123';
 
   config.sequelize = {
+    app: true,
+    agent: true,
   }
 
   return config;
diff --git a/test/fixtures/apps/datasources-same-dir/config/config.js b/test/fixtures/apps/datasources-same-dir/config/config.js
index ff49b15..55d81c9 100644
--- a/test/fixtures/apps/datasources-same-dir/config/config.js
+++ b/test/fixtures/apps/datasources-same-dir/config/config.js
@@ -1,6 +1,8 @@
 'use strict';
 
 exports.sequelize = {
+  app: true,
+  agent: true,
   datasources: [
     {
       delegate: 'model',
diff --git a/test/fixtures/apps/datasources/config/config.js b/test/fixtures/apps/datasources/config/config.js
index ed81e06..a26e492 100644
--- a/test/fixtures/apps/datasources/config/config.js
+++ b/test/fixtures/apps/datasources/config/config.js
@@ -1,6 +1,8 @@
 'use strict';
 
 exports.sequelize = {
+  app: true,
+  agent: true,
   datasources: [
     {
       delegate: 'model',
diff --git a/test/fixtures/apps/model-app/config/config.js b/test/fixtures/apps/model-app/config/config.js
index 7ddbbf9..e56e2b1 100644
--- a/test/fixtures/apps/model-app/config/config.js
+++ b/test/fixtures/apps/model-app/config/config.js
@@ -1,6 +1,8 @@
 'use strict';
 
 exports.sequelize = {
+  app: true,
+  agent: true,
   port: '3306',
   host: '127.0.0.1',
   username: 'root',
diff --git a/test/fixtures/apps/sub-model/config/config.js b/test/fixtures/apps/sub-model/config/config.js
index 7ddbbf9..e56e2b1 100644
--- a/test/fixtures/apps/sub-model/config/config.js
+++ b/test/fixtures/apps/sub-model/config/config.js
@@ -1,6 +1,8 @@
 'use strict';
 
 exports.sequelize = {
+  app: true,
+  agent: true,
   port: '3306',
   host: '127.0.0.1',
   username: 'root',
diff --git a/test/fixtures/apps/ts/config/config.default.ts b/test/fixtures/apps/ts/config/config.default.ts
index 48b0364..c6e4912 100644
--- a/test/fixtures/apps/ts/config/config.default.ts
+++ b/test/fixtures/apps/ts/config/config.default.ts
@@ -7,6 +7,8 @@ export default (appInfo: EggAppInfo) => {
   config.keys = '123123';
 
   config.sequelize = {
+    app: true,
+    agent: true,
     datasources: [
       {
         delegate: 'model',