diff --git a/README.md b/README.md
index b4360a4..210ba02 100644
--- a/README.md
+++ b/README.md
@@ -53,7 +53,7 @@
 casibase contains 4 parts:
 
 | **Name**       | **Description**                                   | **Language**                            |
-| -------------- | ------------------------------------------------- | --------------------------------------- |
+|----------------|---------------------------------------------------|-----------------------------------------|
 | Frontend       | User interface for the casibase application       | JavaScript + React                      |
 | Backend        | Server-side logic and API for casibase            | Golang + Beego + Python + Flask + MySQL |
 | AI Model       | Artificial intelligence model                     | Python + OpenAI                         |
@@ -112,9 +112,9 @@ Casnode uses XORM to connect to DB, so all DBs supported by XORM can also be use
 - #### Backend (`casibase\conf\app.conf`)
 
   ```ini
+  casdoorEndpoint =  <Your_Casdoor_endpoint>
   clientId = <Your_clientId_in_Casdoor_configuration>
   clientSecret = <Your_clientSecret_in_Casdoor_configuration>
-  casdoorDbName = casdoor
   casdoorOrganization = "casibase"
   casdoorApplication = "app-casibase"
   ```
diff --git a/casdoor/adapter.go b/casdoor/adapter.go
deleted file mode 100644
index 184571a..0000000
--- a/casdoor/adapter.go
+++ /dev/null
@@ -1,86 +0,0 @@
-// Copyright 2023 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 casdoor
-
-import (
-	"runtime"
-
-	"github.com/astaxie/beego"
-	_ "github.com/go-sql-driver/mysql"
-	"xorm.io/xorm"
-)
-
-var adapter *Adapter
-
-type Session struct {
-	SessionKey    string  `xorm:"char(64) notnull pk"`
-	SessionData   []uint8 `xorm:"blob"`
-	SessionExpiry int     `xorm:"notnull"`
-}
-
-func InitCasdoorAdapter() {
-	casdoorDbName := beego.AppConfig.String("casdoorDbName")
-	if casdoorDbName == "" {
-		return
-	}
-
-	adapter = NewAdapter(beego.AppConfig.String("driverName"), beego.AppConfig.String("dataSourceName"), beego.AppConfig.String("casdoorDbName"))
-}
-
-// Adapter represents the MySQL adapter for policy storage.
-type Adapter struct {
-	driverName     string
-	dataSourceName string
-	dbName         string
-	Engine         *xorm.Engine
-}
-
-// finalizer is the destructor for Adapter.
-func finalizer(a *Adapter) {
-	err := a.Engine.Close()
-	if err != nil {
-		panic(err)
-	}
-}
-
-// NewAdapter is the constructor for Adapter.
-func NewAdapter(driverName string, dataSourceName string, dbName string) *Adapter {
-	a := &Adapter{}
-	a.driverName = driverName
-	a.dataSourceName = dataSourceName
-	a.dbName = dbName
-
-	// Open the DB, create it if not existed.
-	a.open()
-
-	// Call the destructor when the object is released.
-	runtime.SetFinalizer(a, finalizer)
-
-	return a
-}
-
-func (a *Adapter) open() {
-	Engine, err := xorm.NewEngine(a.driverName, a.dataSourceName+a.dbName)
-	if err != nil {
-		panic(err)
-	}
-
-	a.Engine = Engine
-}
-
-func (a *Adapter) close() {
-	a.Engine.Close()
-	a.Engine = nil
-}
diff --git a/casdoor/permission.go b/casdoor/permission.go
deleted file mode 100644
index 8a29d34..0000000
--- a/casdoor/permission.go
+++ /dev/null
@@ -1,112 +0,0 @@
-// Copyright 2023 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 casdoor
-
-import (
-	"github.com/casbin/casibase/util"
-	"xorm.io/core"
-)
-
-type Permission struct {
-	Owner       string `xorm:"varchar(100) notnull pk" json:"owner"`
-	Name        string `xorm:"varchar(100) notnull pk" json:"name"`
-	CreatedTime string `xorm:"varchar(100)" json:"createdTime"`
-	DisplayName string `xorm:"varchar(100)" json:"displayName"`
-
-	Users   []string `xorm:"mediumtext" json:"users"`
-	Roles   []string `xorm:"mediumtext" json:"roles"`
-	Domains []string `xorm:"mediumtext" json:"domains"`
-
-	Model        string   `xorm:"varchar(100)" json:"model"`
-	ResourceType string   `xorm:"varchar(100)" json:"resourceType"`
-	Resources    []string `xorm:"mediumtext" json:"resources"`
-	Actions      []string `xorm:"mediumtext" json:"actions"`
-	Effect       string   `xorm:"varchar(100)" json:"effect"`
-	IsEnabled    bool     `json:"isEnabled"`
-
-	Submitter   string `xorm:"varchar(100)" json:"submitter"`
-	Approver    string `xorm:"varchar(100)" json:"approver"`
-	ApproveTime string `xorm:"varchar(100)" json:"approveTime"`
-	State       string `xorm:"varchar(100)" json:"state"`
-}
-
-func GetPermissions(owner string) ([]*Permission, error) {
-	permissions := []*Permission{}
-	err := adapter.Engine.Desc("created_time").Find(&permissions, &Permission{Owner: owner})
-	if err != nil {
-		return permissions, err
-	}
-
-	return permissions, nil
-}
-
-func getPermission(owner string, name string) (*Permission, error) {
-	if owner == "" || name == "" {
-		return nil, nil
-	}
-
-	permission := Permission{Owner: owner, Name: name}
-	existed, err := adapter.Engine.Get(&permission)
-	if err != nil {
-		return &permission, err
-	}
-
-	if existed {
-		return &permission, nil
-	} else {
-		return nil, nil
-	}
-}
-
-func GetPermission(id string) (*Permission, error) {
-	owner, name := util.GetOwnerAndNameFromId(id)
-	return getPermission(owner, name)
-}
-
-func UpdatePermission(id string, permission *Permission) (bool, error) {
-	owner, name := util.GetOwnerAndNameFromId(id)
-	oldPermission, err := getPermission(owner, name)
-	if err != nil {
-		return false, err
-	}
-	if oldPermission == nil {
-		return false, nil
-	}
-
-	affected, err := adapter.Engine.ID(core.PK{owner, name}).AllCols().Update(permission)
-	if err != nil {
-		return false, err
-	}
-
-	return affected != 0, nil
-}
-
-func AddPermission(permission *Permission) (bool, error) {
-	affected, err := adapter.Engine.Insert(permission)
-	if err != nil {
-		return false, err
-	}
-
-	return affected != 0, nil
-}
-
-func DeletePermission(permission *Permission) (bool, error) {
-	affected, err := adapter.Engine.ID(core.PK{permission.Owner, permission.Name}).Delete(&Permission{})
-	if err != nil {
-		return false, err
-	}
-
-	return affected != 0, nil
-}
diff --git a/casdoor/provider.go b/casdoor/provider.go
deleted file mode 100644
index 1f42c14..0000000
--- a/casdoor/provider.go
+++ /dev/null
@@ -1,73 +0,0 @@
-// Copyright 2023 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 casdoor
-
-type Provider struct {
-	Owner       string `xorm:"varchar(100) notnull pk" json:"owner"`
-	Name        string `xorm:"varchar(100) notnull pk unique" json:"name"`
-	CreatedTime string `xorm:"varchar(100)" json:"createdTime"`
-
-	DisplayName       string            `xorm:"varchar(100)" json:"displayName"`
-	Category          string            `xorm:"varchar(100)" json:"category"`
-	Type              string            `xorm:"varchar(100)" json:"type"`
-	SubType           string            `xorm:"varchar(100)" json:"subType"`
-	Method            string            `xorm:"varchar(100)" json:"method"`
-	ClientId          string            `xorm:"varchar(100)" json:"clientId"`
-	ClientSecret      string            `xorm:"varchar(2000)" json:"clientSecret"`
-	ClientId2         string            `xorm:"varchar(100)" json:"clientId2"`
-	ClientSecret2     string            `xorm:"varchar(100)" json:"clientSecret2"`
-	Cert              string            `xorm:"varchar(100)" json:"cert"`
-	CustomAuthUrl     string            `xorm:"varchar(200)" json:"customAuthUrl"`
-	CustomTokenUrl    string            `xorm:"varchar(200)" json:"customTokenUrl"`
-	CustomUserInfoUrl string            `xorm:"varchar(200)" json:"customUserInfoUrl"`
-	CustomLogo        string            `xorm:"varchar(200)" json:"customLogo"`
-	Scopes            string            `xorm:"varchar(100)" json:"scopes"`
-	UserMapping       map[string]string `xorm:"varchar(500)" json:"userMapping"`
-
-	Host       string `xorm:"varchar(100)" json:"host"`
-	Port       int    `json:"port"`
-	DisableSsl bool   `json:"disableSsl"` // If the provider type is WeChat, DisableSsl means EnableQRCode
-	Title      string `xorm:"varchar(100)" json:"title"`
-	Content    string `xorm:"varchar(1000)" json:"content"` // If provider type is WeChat, Content means QRCode string by Base64 encoding
-	Receiver   string `xorm:"varchar(100)" json:"receiver"`
-
-	RegionId     string `xorm:"varchar(100)" json:"regionId"`
-	SignName     string `xorm:"varchar(100)" json:"signName"`
-	TemplateCode string `xorm:"varchar(100)" json:"templateCode"`
-	AppId        string `xorm:"varchar(100)" json:"appId"`
-
-	Endpoint         string `xorm:"varchar(1000)" json:"endpoint"`
-	IntranetEndpoint string `xorm:"varchar(100)" json:"intranetEndpoint"`
-	Domain           string `xorm:"varchar(100)" json:"domain"`
-	Bucket           string `xorm:"varchar(100)" json:"bucket"`
-	PathPrefix       string `xorm:"varchar(100)" json:"pathPrefix"`
-
-	Metadata               string `xorm:"mediumtext" json:"metadata"`
-	IdP                    string `xorm:"mediumtext" json:"idP"`
-	IssuerUrl              string `xorm:"varchar(100)" json:"issuerUrl"`
-	EnableSignAuthnRequest bool   `json:"enableSignAuthnRequest"`
-
-	ProviderUrl string `xorm:"varchar(200)" json:"providerUrl"`
-}
-
-func GetStorageProviders(owner string) ([]*Provider, error) {
-	providers := []*Provider{}
-	err := adapter.Engine.Desc("created_time").Find(&providers, &Provider{Owner: owner, Category: "Storage"})
-	if err != nil {
-		return providers, err
-	}
-
-	return providers, nil
-}
diff --git a/conf/app.conf b/conf/app.conf
index 81a1d3b..019827f 100644
--- a/conf/app.conf
+++ b/conf/app.conf
@@ -11,7 +11,6 @@ landingFolder = casibase-landing
 casdoorEndpoint = http://localhost:8000
 clientId = af6b5aa958822fb9dc33
 clientSecret = 8bc3010c1c951c8d876b1f311a901ff8deeb93bc
-casdoorDbName = casdoor
 casdoorOrganization = "casbin"
 casdoorApplication = "app-casibase"
 cacheDir = "C:/casibase_cache"
diff --git a/controllers/permission.go b/controllers/permission.go
index 66dc5dc..2e8c6a8 100644
--- a/controllers/permission.go
+++ b/controllers/permission.go
@@ -17,13 +17,12 @@ package controllers
 import (
 	"encoding/json"
 
-	"github.com/casbin/casibase/casdoor"
+	"github.com/casbin/casibase/util"
+	"github.com/casdoor/casdoor-go-sdk/casdoorsdk"
 )
 
 func (c *ApiController) GetPermissions() {
-	owner := c.Input().Get("owner")
-
-	permissions, err := casdoor.GetPermissions(owner)
+	permissions, err := casdoorsdk.GetPermissions()
 	if err != nil {
 		c.ResponseError(err.Error())
 		return
@@ -34,8 +33,9 @@ func (c *ApiController) GetPermissions() {
 
 func (c *ApiController) GetPermission() {
 	id := c.Input().Get("id")
+	_, name := util.GetOwnerAndNameFromId(id)
 
-	permission, err := casdoor.GetPermission(id)
+	permission, err := casdoorsdk.GetPermission(name)
 	if err != nil {
 		c.ResponseError(err.Error())
 		return
@@ -45,15 +45,13 @@ func (c *ApiController) GetPermission() {
 }
 
 func (c *ApiController) UpdatePermission() {
-	id := c.Input().Get("id")
-
-	var permission casdoor.Permission
+	var permission casdoorsdk.Permission
 	err := json.Unmarshal(c.Ctx.Input.RequestBody, &permission)
 	if err != nil {
 		panic(err)
 	}
 
-	success, err := casdoor.UpdatePermission(id, &permission)
+	success, err := casdoorsdk.UpdatePermission(&permission)
 	if err != nil {
 		c.ResponseError(err.Error())
 		return
@@ -63,14 +61,14 @@ func (c *ApiController) UpdatePermission() {
 }
 
 func (c *ApiController) AddPermission() {
-	var permission casdoor.Permission
+	var permission casdoorsdk.Permission
 	err := json.Unmarshal(c.Ctx.Input.RequestBody, &permission)
 	if err != nil {
 		c.ResponseError(err.Error())
 		return
 	}
 
-	success, err := casdoor.AddPermission(&permission)
+	success, err := casdoorsdk.AddPermission(&permission)
 	if err != nil {
 		c.ResponseError(err.Error())
 		return
@@ -80,14 +78,14 @@ func (c *ApiController) AddPermission() {
 }
 
 func (c *ApiController) DeletePermission() {
-	var permission casdoor.Permission
+	var permission casdoorsdk.Permission
 	err := json.Unmarshal(c.Ctx.Input.RequestBody, &permission)
 	if err != nil {
 		c.ResponseError(err.Error())
 		return
 	}
 
-	success, err := casdoor.DeletePermission(&permission)
+	success, err := casdoorsdk.DeletePermission(&permission)
 	if err != nil {
 		c.ResponseError(err.Error())
 		return
diff --git a/controllers/storage_provider.go b/controllers/storage_provider.go
index 506cad6..fd665a4 100644
--- a/controllers/storage_provider.go
+++ b/controllers/storage_provider.go
@@ -14,12 +14,27 @@
 
 package controllers
 
-import "github.com/casbin/casibase/casdoor"
+import "github.com/casdoor/casdoor-go-sdk/casdoorsdk"
+
+func getStorageProviders() ([]*casdoorsdk.Provider, error) {
+	providers, err := casdoorsdk.GetProviders()
+	if err != nil {
+		return providers, err
+	}
+
+	res := []*casdoorsdk.Provider{}
+	for _, provider := range providers {
+		if provider.Category == "Storage" {
+			res = append(res, provider)
+		}
+	}
+	return res, nil
+}
 
 func (c *ApiController) GetStorageProviders() {
-	owner := c.Input().Get("owner")
+	// owner := c.Input().Get("owner")
 
-	providers, err := casdoor.GetStorageProviders(owner)
+	providers, err := getStorageProviders()
 	if err != nil {
 		c.ResponseError(err.Error())
 		return
diff --git a/go.mod b/go.mod
index 50df6c1..839a275 100644
--- a/go.mod
+++ b/go.mod
@@ -7,7 +7,7 @@ require (
 	github.com/aliyun/aliyun-oss-go-sdk v2.2.2+incompatible
 	github.com/astaxie/beego v1.12.3
 	github.com/baiyubin/aliyun-sts-go-sdk v0.0.0-20180326062324-cfa1a18b161f // indirect
-	github.com/casdoor/casdoor-go-sdk v0.27.0
+	github.com/casdoor/casdoor-go-sdk v0.28.1
 	github.com/cespare/xxhash/v2 v2.2.0 // indirect
 	github.com/danaugrs/go-tsne/tsne v0.0.0-20220306155740-2250969e057f
 	github.com/fsnotify/fsnotify v1.6.0 // indirect
diff --git a/go.sum b/go.sum
index a847b71..05d5e73 100644
--- a/go.sum
+++ b/go.sum
@@ -86,8 +86,8 @@ github.com/boombuler/barcode v1.0.1/go.mod h1:paBWMcWSl3LHKBqUq+rly7CNSldXjb2rDl
 github.com/bradfitz/gomemcache v0.0.0-20180710155616-bc664df96737/go.mod h1:PmM6Mmwb0LSuEubjR8N7PtNe1KxZLtOUHtbeikc5h60=
 github.com/casbin/casbin v1.7.0/go.mod h1:c67qKN6Oum3UF5Q1+BByfFxkwKvhwW57ITjqwtzR1KE=
 github.com/casbin/casbin/v2 v2.1.2/go.mod h1:YcPU1XXisHhLzuxH9coDNf2FbKpjGlbCg3n9yuLkIJQ=
-github.com/casdoor/casdoor-go-sdk v0.27.0 h1:40TdcsomUxxhbtBi0huZxPZhfj+pSB8KtWkXg6Dqtk8=
-github.com/casdoor/casdoor-go-sdk v0.27.0/go.mod h1:MBed3ISHQfXTtoOCAk5T8l5lt4wFvsyynrw0awggydY=
+github.com/casdoor/casdoor-go-sdk v0.28.1 h1:z0b36oEsU9PzCxHlYWmRY1ZMLSnUW3MVRDv6I7hWy9E=
+github.com/casdoor/casdoor-go-sdk v0.28.1/go.mod h1:MBed3ISHQfXTtoOCAk5T8l5lt4wFvsyynrw0awggydY=
 github.com/cenkalti/backoff v2.2.1+incompatible/go.mod h1:90ReRw6GdpyfrHakVjL/QHaoyV4aDUVVkXQJJJ3NXXM=
 github.com/census-instrumentation/opencensus-proto v0.2.1/go.mod h1:f6KPmirojxKA12rnyqOA5BBL4O983OfeGPqjHWSTneU=
 github.com/cespare/xxhash/v2 v2.1.1/go.mod h1:VGX0DQ3Q6kWi7AoAeZDth3/j3BFtOZR5XLFGgcrjCOs=
diff --git a/main.go b/main.go
index d73f5fd..39b0bf7 100644
--- a/main.go
+++ b/main.go
@@ -18,7 +18,6 @@ import (
 	"github.com/astaxie/beego"
 	"github.com/astaxie/beego/plugins/cors"
 	_ "github.com/astaxie/beego/session/redis"
-	"github.com/casbin/casibase/casdoor"
 	"github.com/casbin/casibase/object"
 	"github.com/casbin/casibase/proxy"
 	"github.com/casbin/casibase/routers"
@@ -26,8 +25,6 @@ import (
 
 func main() {
 	object.InitAdapter()
-	casdoor.InitCasdoorAdapter()
-
 	proxy.InitHttpClient()
 
 	beego.InsertFilter("*", beego.BeforeRouter, cors.Allow(&cors.Options{