diff --git a/original/adapter.go b/original/adapter.go
new file mode 100644
index 00000000..c0250858
--- /dev/null
+++ b/original/adapter.go
@@ -0,0 +1,45 @@
+// Copyright 2021 The casbin Authors. All Rights Reserved.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//      http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+package original
+
+import (
+	"github.com/astaxie/beego"
+	"github.com/casdoor/casdoor/object"
+	_ "github.com/go-sql-driver/mysql" // db = mysql
+	//_ "github.com/lib/pq"              // db = postgres
+)
+
+var adapter *object.Adapter
+
+func initConfig() {
+	err := beego.LoadAppConfig("ini", "../conf/app.conf")
+	if err != nil {
+		panic(err)
+	}
+
+	initAdapter()
+}
+
+func initAdapter() {
+	adapter = object.NewAdapter(beego.AppConfig.String("driverName"), beego.AppConfig.String("dataSourceName"), dbName)
+	createTable(adapter)
+}
+
+func createTable(a *object.Adapter) {
+	err := a.Engine.Sync2(new(User))
+	if err != nil {
+		panic(err)
+	}
+}
diff --git a/original/conf.go b/original/conf.go
new file mode 100644
index 00000000..b22a82fe
--- /dev/null
+++ b/original/conf.go
@@ -0,0 +1,18 @@
+// Copyright 2021 The casbin Authors. All Rights Reserved.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//      http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+package original
+
+var dbName = "dbName"
+var tableName = "tableName"
diff --git a/original/user_original.go b/original/user_original.go
new file mode 100644
index 00000000..c4551a93
--- /dev/null
+++ b/original/user_original.go
@@ -0,0 +1,38 @@
+// Copyright 2021 The casbin Authors. All Rights Reserved.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//      http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+package original
+
+type User struct {
+	Id        int    `xorm:"int notnull pk autoincr" json:"id"`
+	Name      string `xorm:"varchar(128)" json:"name"`
+	Password  string `xorm:"varchar(128)" json:"password"`
+	Cellphone string `xorm:"varchar(128)" json:"cellphone"`
+	Avatar    string `xorm:"varchar(128)" json:"avatar"`
+	Deleted   int    `xorm:"tinyint(1)" json:"deleted"`
+}
+
+func (User) TableName() string {
+	return tableName
+}
+
+func getUsers() []*User {
+	users := []*User{}
+	err := adapter.Engine.Asc("id").Find(&users)
+	if err != nil {
+		panic(err)
+	}
+
+	return users
+}
diff --git a/original/user_original_test.go b/original/user_original_test.go
new file mode 100644
index 00000000..a419119f
--- /dev/null
+++ b/original/user_original_test.go
@@ -0,0 +1,30 @@
+// Copyright 2021 The casbin Authors. All Rights Reserved.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//      http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+package original
+
+import (
+	"fmt"
+	"testing"
+)
+
+func TestGetUsers(t *testing.T) {
+	initConfig()
+	initAdapter()
+
+	users := getUsers()
+	for _, user := range users {
+		fmt.Printf("%v\n", user)
+	}
+}