diff --git a/config/config.default.js b/config/config.default.js
index 26ea6e2..eb04de1 100644
--- a/config/config.default.js
+++ b/config/config.default.js
@@ -12,6 +12,8 @@ exports.mongoose = {
   options: {},
   plugins: [],
   loadModel: true,
+  modelDir: 'model', // load all models to `app[delegate]` and `ctx[delegate]`, default to `model`
+  delegate: 'model', // load all files in `app/${baseDir}` as models, default to `model`
   app: true,
   agent: false,
 };
diff --git a/index.d.ts b/index.d.ts
index e069a6f..455f886 100644
--- a/index.d.ts
+++ b/index.d.ts
@@ -13,7 +13,10 @@ declare module 'egg' {
 
   type MongooseConfig = {
     url: string,
-    options?: mongoose.ConnectionOptions
+    options?: mongoose.ConnectionOptions,
+    loadModel?: boolean,
+    delegate?: string,
+    modelDir?: string
   };
 
   // extend app
@@ -36,7 +39,10 @@ declare module 'egg' {
       client?: MongooseConfig,
       clients?: {
         [key: string]: MongooseConfig
-      }
+      },
+      loadModel?: boolean,
+      delegate?: string,
+      modelDir?: string
     };
   }
 
diff --git a/lib/mongoose.js b/lib/mongoose.js
index d47d220..37fc7ef 100644
--- a/lib/mongoose.js
+++ b/lib/mongoose.js
@@ -11,7 +11,7 @@ let count = 0;
 const globalPlugins = [];
 
 module.exports = app => {
-  const { client, clients, url, options, defaultDB, customPromise, loadModel, plugins } = app.config.mongoose;
+  const { client, clients, url, options, defaultDB, customPromise, loadModel, modelDir, delegate, plugins } = app.config.mongoose;
 
   // compatibility
   if (!client && !clients && url) {
@@ -46,11 +46,11 @@ module.exports = app => {
   /* deprecated, next primary version remove */
   app.__mongoose = mongoose;
 
-  app.mongoose.loadModel = () => loadModelToApp(app);
+  app.mongoose.loadModel = () => loadModelToApp(app, modelDir, delegate);
 
   if (loadModel) {
     app.beforeStart(() => {
-      loadModelToApp(app);
+      loadModelToApp(app, modelDir, delegate);
     });
   }
 };
@@ -119,9 +119,10 @@ function createOneClient(config, app) {
   return db;
 }
 
-function loadModelToApp(app) {
-  const dir = path.join(app.config.baseDir, 'app/model');
-  app.loader.loadToApp(dir, 'model', {
+function loadModelToApp(app, modelDir, delegate) {
+  const dir = path.join(app.config.baseDir, `app/${modelDir ? modelDir : 'model'}`);
+  app.coreLogger.info(`[egg-mongoose] model directory: ${dir}`);
+  app.loader.loadToApp(dir, delegate ? delegate : 'model', {
     inject: app,
     caseStyle: 'upper',
     filter(model) {
diff --git a/test/fixtures/apps/mongoose-loadModel-delegate/app.js b/test/fixtures/apps/mongoose-loadModel-delegate/app.js
new file mode 100644
index 0000000..8d0c1bb
--- /dev/null
+++ b/test/fixtures/apps/mongoose-loadModel-delegate/app.js
@@ -0,0 +1,6 @@
+'use strict';
+
+module.exports = app => {
+  app.mymongoose = app.mongooseDB.createInstance(app.config.mymongoose);
+  app.mongoose.loadModel();
+};
diff --git a/test/fixtures/apps/mongoose-loadModel-delegate/app/controller/book.js b/test/fixtures/apps/mongoose-loadModel-delegate/app/controller/book.js
new file mode 100644
index 0000000..a2b5786
--- /dev/null
+++ b/test/fixtures/apps/mongoose-loadModel-delegate/app/controller/book.js
@@ -0,0 +1,21 @@
+'use strict';
+
+module.exports = app => {
+  class BookController extends app.Controller {
+    * index() {
+      const books = yield this.ctx.model.Book.find({});
+      this.ctx.body = books;
+    }
+
+    * create() {
+      const book = new this.ctx.model.Book({
+        name: this.ctx.request.body.name,
+      });
+      yield book.save();
+      this.ctx.body = book;
+    }
+  }
+
+  return BookController;
+
+};
diff --git a/test/fixtures/apps/mongoose-loadModel-delegate/app/controller/user.js b/test/fixtures/apps/mongoose-loadModel-delegate/app/controller/user.js
new file mode 100644
index 0000000..331dd42
--- /dev/null
+++ b/test/fixtures/apps/mongoose-loadModel-delegate/app/controller/user.js
@@ -0,0 +1,21 @@
+'use strict';
+
+module.exports = app => {
+  class UserController extends app.Controller {
+    * index() {
+      const users = yield this.ctx.model.User.find({});
+      this.ctx.body = users;
+    }
+
+    * create() {
+      const user = new this.ctx.model.User({
+        name: this.ctx.request.body.name,
+      });
+      yield user.save();
+      this.ctx.body = user;
+    }
+  }
+
+  return UserController;
+
+};
diff --git a/test/fixtures/apps/mongoose-loadModel-delegate/app/model/Book.js b/test/fixtures/apps/mongoose-loadModel-delegate/app/model/Book.js
new file mode 100644
index 0000000..6beaf78
--- /dev/null
+++ b/test/fixtures/apps/mongoose-loadModel-delegate/app/model/Book.js
@@ -0,0 +1,11 @@
+'use strict';
+
+module.exports = app => {
+  const mymongoose = app.mymongoose;
+  const mongoose = app.mongoose;
+  const BoookSchema = new mongoose.Schema({
+    name: { type: String },
+  });
+
+  return mymongoose.model('Book', BoookSchema, null, { cache: false });
+};
diff --git a/test/fixtures/apps/mongoose-loadModel-delegate/app/model/other.js b/test/fixtures/apps/mongoose-loadModel-delegate/app/model/other.js
new file mode 100644
index 0000000..057414a
--- /dev/null
+++ b/test/fixtures/apps/mongoose-loadModel-delegate/app/model/other.js
@@ -0,0 +1,5 @@
+'use strict';
+
+module.export = {
+
+};
diff --git a/test/fixtures/apps/mongoose-loadModel-delegate/app/model/user.js b/test/fixtures/apps/mongoose-loadModel-delegate/app/model/user.js
new file mode 100644
index 0000000..43ce97b
--- /dev/null
+++ b/test/fixtures/apps/mongoose-loadModel-delegate/app/model/user.js
@@ -0,0 +1,11 @@
+'use strict';
+
+module.exports = app => {
+  const mymongoose = app.mymongoose;
+  const mongoose = app.mongoose;
+  const UserSchema = new mongoose.Schema({
+    name: { type: String },
+  });
+
+  return mymongoose.model('User', UserSchema, null, { cache: false });
+};
diff --git a/test/fixtures/apps/mongoose-loadModel-delegate/app/router.js b/test/fixtures/apps/mongoose-loadModel-delegate/app/router.js
new file mode 100644
index 0000000..828ade7
--- /dev/null
+++ b/test/fixtures/apps/mongoose-loadModel-delegate/app/router.js
@@ -0,0 +1,6 @@
+'use strict';
+
+module.exports = function(app) {
+  app.resources('users', '/users', 'user');
+  app.resources('books', '/books', 'book');
+};
diff --git a/test/fixtures/apps/mongoose-loadModel-delegate/config/config.default.js b/test/fixtures/apps/mongoose-loadModel-delegate/config/config.default.js
new file mode 100644
index 0000000..a4af615
--- /dev/null
+++ b/test/fixtures/apps/mongoose-loadModel-delegate/config/config.default.js
@@ -0,0 +1,13 @@
+'use strict';
+
+exports.mongoose = {
+  loadModel: false,
+  delegate: 'mongo',
+};
+
+exports.mymongoose = {
+  url: process.env.MONGODB_URL,
+  options: {},
+};
+
+exports.keys = 'aaa';
diff --git a/test/fixtures/apps/mongoose-loadModel-delegate/package.json b/test/fixtures/apps/mongoose-loadModel-delegate/package.json
new file mode 100644
index 0000000..dec528e
--- /dev/null
+++ b/test/fixtures/apps/mongoose-loadModel-delegate/package.json
@@ -0,0 +1,4 @@
+{
+  "name": "mongoose-test",
+  "version": "0.0.1"
+}
\ No newline at end of file
diff --git a/test/fixtures/apps/mongoose-loadModel-modelDir/app.js b/test/fixtures/apps/mongoose-loadModel-modelDir/app.js
new file mode 100644
index 0000000..8d0c1bb
--- /dev/null
+++ b/test/fixtures/apps/mongoose-loadModel-modelDir/app.js
@@ -0,0 +1,6 @@
+'use strict';
+
+module.exports = app => {
+  app.mymongoose = app.mongooseDB.createInstance(app.config.mymongoose);
+  app.mongoose.loadModel();
+};
diff --git a/test/fixtures/apps/mongoose-loadModel-modelDir/app/controller/book.js b/test/fixtures/apps/mongoose-loadModel-modelDir/app/controller/book.js
new file mode 100644
index 0000000..a2b5786
--- /dev/null
+++ b/test/fixtures/apps/mongoose-loadModel-modelDir/app/controller/book.js
@@ -0,0 +1,21 @@
+'use strict';
+
+module.exports = app => {
+  class BookController extends app.Controller {
+    * index() {
+      const books = yield this.ctx.model.Book.find({});
+      this.ctx.body = books;
+    }
+
+    * create() {
+      const book = new this.ctx.model.Book({
+        name: this.ctx.request.body.name,
+      });
+      yield book.save();
+      this.ctx.body = book;
+    }
+  }
+
+  return BookController;
+
+};
diff --git a/test/fixtures/apps/mongoose-loadModel-modelDir/app/controller/user.js b/test/fixtures/apps/mongoose-loadModel-modelDir/app/controller/user.js
new file mode 100644
index 0000000..331dd42
--- /dev/null
+++ b/test/fixtures/apps/mongoose-loadModel-modelDir/app/controller/user.js
@@ -0,0 +1,21 @@
+'use strict';
+
+module.exports = app => {
+  class UserController extends app.Controller {
+    * index() {
+      const users = yield this.ctx.model.User.find({});
+      this.ctx.body = users;
+    }
+
+    * create() {
+      const user = new this.ctx.model.User({
+        name: this.ctx.request.body.name,
+      });
+      yield user.save();
+      this.ctx.body = user;
+    }
+  }
+
+  return UserController;
+
+};
diff --git a/test/fixtures/apps/mongoose-loadModel-modelDir/app/mongo/Book.js b/test/fixtures/apps/mongoose-loadModel-modelDir/app/mongo/Book.js
new file mode 100644
index 0000000..6beaf78
--- /dev/null
+++ b/test/fixtures/apps/mongoose-loadModel-modelDir/app/mongo/Book.js
@@ -0,0 +1,11 @@
+'use strict';
+
+module.exports = app => {
+  const mymongoose = app.mymongoose;
+  const mongoose = app.mongoose;
+  const BoookSchema = new mongoose.Schema({
+    name: { type: String },
+  });
+
+  return mymongoose.model('Book', BoookSchema, null, { cache: false });
+};
diff --git a/test/fixtures/apps/mongoose-loadModel-modelDir/app/mongo/other.js b/test/fixtures/apps/mongoose-loadModel-modelDir/app/mongo/other.js
new file mode 100644
index 0000000..057414a
--- /dev/null
+++ b/test/fixtures/apps/mongoose-loadModel-modelDir/app/mongo/other.js
@@ -0,0 +1,5 @@
+'use strict';
+
+module.export = {
+
+};
diff --git a/test/fixtures/apps/mongoose-loadModel-modelDir/app/mongo/user.js b/test/fixtures/apps/mongoose-loadModel-modelDir/app/mongo/user.js
new file mode 100644
index 0000000..43ce97b
--- /dev/null
+++ b/test/fixtures/apps/mongoose-loadModel-modelDir/app/mongo/user.js
@@ -0,0 +1,11 @@
+'use strict';
+
+module.exports = app => {
+  const mymongoose = app.mymongoose;
+  const mongoose = app.mongoose;
+  const UserSchema = new mongoose.Schema({
+    name: { type: String },
+  });
+
+  return mymongoose.model('User', UserSchema, null, { cache: false });
+};
diff --git a/test/fixtures/apps/mongoose-loadModel-modelDir/app/router.js b/test/fixtures/apps/mongoose-loadModel-modelDir/app/router.js
new file mode 100644
index 0000000..828ade7
--- /dev/null
+++ b/test/fixtures/apps/mongoose-loadModel-modelDir/app/router.js
@@ -0,0 +1,6 @@
+'use strict';
+
+module.exports = function(app) {
+  app.resources('users', '/users', 'user');
+  app.resources('books', '/books', 'book');
+};
diff --git a/test/fixtures/apps/mongoose-loadModel-modelDir/config/config.default.js b/test/fixtures/apps/mongoose-loadModel-modelDir/config/config.default.js
new file mode 100644
index 0000000..42af7f1
--- /dev/null
+++ b/test/fixtures/apps/mongoose-loadModel-modelDir/config/config.default.js
@@ -0,0 +1,13 @@
+'use strict';
+
+exports.mongoose = {
+  loadModel: false,
+  modelDir: 'mongo',
+};
+
+exports.mymongoose = {
+  url: process.env.MONGODB_URL,
+  options: {},
+};
+
+exports.keys = 'aaa';
diff --git a/test/fixtures/apps/mongoose-loadModel-modelDir/package.json b/test/fixtures/apps/mongoose-loadModel-modelDir/package.json
new file mode 100644
index 0000000..dec528e
--- /dev/null
+++ b/test/fixtures/apps/mongoose-loadModel-modelDir/package.json
@@ -0,0 +1,4 @@
+{
+  "name": "mongoose-test",
+  "version": "0.0.1"
+}
\ No newline at end of file
diff --git a/test/mongoose.test.js b/test/mongoose.test.js
index 40ac53d..50ed61e 100644
--- a/test/mongoose.test.js
+++ b/test/mongoose.test.js
@@ -212,6 +212,70 @@ describe('test/mongoose.test.js', () => {
     });
   });
 
+  describe('custom loadModel and set delegate', () => {
+    let app;
+    before(function* () {
+      app = mm.app({
+        baseDir: 'apps/mongoose-loadModel-delegate',
+      });
+      yield app.ready();
+    });
+
+    after(function* () {
+      yield app.close();
+    });
+    afterEach(mm.restore);
+    afterEach(function* () {
+      yield app.mongo.Book.remove({});
+      yield app.mongo.User.remove({});
+    });
+
+    it('should has app custom mymongoose', function* () {
+      assert(app.mymongoose);
+    });
+
+    it('should has app mongo property', function* () {
+      assert(app.mongo);
+      assert(app.mongo.User.prototype instanceof app.mongoose.Model);
+      assert(app.mongo.user === undefined);
+      assert(app.mongo.Book.prototype instanceof app.mongoose.Model);
+      assert(app.mongo.book === undefined);
+      assert(app.mongo.Other === undefined);
+    });
+  });
+
+  describe('custom loadModel and set model directory', () => {
+    let app;
+    before(function* () {
+      app = mm.app({
+        baseDir: 'apps/mongoose-loadModel-modelDir',
+      });
+      yield app.ready();
+    });
+
+    after(function* () {
+      yield app.close();
+    });
+    afterEach(mm.restore);
+    afterEach(function* () {
+      yield app.model.Book.remove({});
+      yield app.model.User.remove({});
+    });
+
+    it('should has app custom mymongoose', function* () {
+      assert(app.mymongoose);
+    });
+
+    it('should has app model property', function* () {
+      assert(app.model);
+      assert(app.model.User.prototype instanceof app.mongoose.Model);
+      assert(app.model.user === undefined);
+      assert(app.model.Book.prototype instanceof app.mongoose.Model);
+      assert(app.model.book === undefined);
+      assert(app.model.Other === undefined);
+    });
+  });
+
   describe('throws on first connection', () => {
     let app;
     const createConnection = mongoose.createConnection;