diff --git a/controllers/auth.go b/controllers/auth.go
index f3c92f7d..7c812b62 100644
--- a/controllers/auth.go
+++ b/controllers/auth.go
@@ -24,6 +24,7 @@ import (
 	"github.com/astaxie/beego"
 	"github.com/casbin/casdoor/idp"
 	"github.com/casbin/casdoor/object"
+	"github.com/casbin/casdoor/proxy"
 	"github.com/casbin/casdoor/util"
 )
 
@@ -99,9 +100,9 @@ func (c *ApiController) GetApplicationLogin() {
 
 func setHttpClient(idProvider idp.IdProvider, providerType string) {
 	if providerType == "GitHub" || providerType == "Google" || providerType == "Facebook" || providerType == "LinkedIn" {
-		idProvider.SetHttpClient(proxyHttpClient)
+		idProvider.SetHttpClient(proxy.ProxyHttpClient)
 	} else {
-		idProvider.SetHttpClient(defaultHttpClient)
+		idProvider.SetHttpClient(proxy.DefaultHttpClient)
 	}
 }
 
diff --git a/controllers/util.go b/controllers/util.go
index 83a0b68d..dc472533 100644
--- a/controllers/util.go
+++ b/controllers/util.go
@@ -14,46 +14,6 @@
 
 package controllers
 
-import (
-	"net/http"
-
-	"github.com/astaxie/beego"
-	"golang.org/x/net/proxy"
-)
-
-var defaultHttpClient *http.Client
-var proxyHttpClient *http.Client
-
-func InitHttpClient() {
-	// not use proxy
-	defaultHttpClient = http.DefaultClient
-
-	// use proxy
-	httpProxy := beego.AppConfig.String("httpProxy")
-	if httpProxy == "" {
-		proxyHttpClient = &http.Client{}
-		return
-	}
-
-	// https://stackoverflow.com/questions/33585587/creating-a-go-socks5-client
-	dialer, err := proxy.SOCKS5("tcp", httpProxy, nil, proxy.Direct)
-	if err != nil {
-		panic(err)
-	}
-
-	tr := &http.Transport{Dial: dialer.Dial}
-	proxyHttpClient = &http.Client{
-		Transport: tr,
-	}
-
-	//resp, err2 := proxyHttpClient.Get("https://google.com")
-	//if err2 != nil {
-	//	panic(err2)
-	//}
-	//defer resp.Body.Close()
-	//println("Response status: %s", resp.Status)
-}
-
 // ResponseOk ...
 func (c *ApiController) ResponseOk(data ...interface{}) {
 	resp := Response{Status: "ok"}
diff --git a/main.go b/main.go
index 1c366d87..5ce14d5e 100644
--- a/main.go
+++ b/main.go
@@ -20,8 +20,8 @@ import (
 	"github.com/astaxie/beego/plugins/cors"
 	_ "github.com/astaxie/beego/session/redis"
 	"github.com/casbin/casdoor/authz"
-	"github.com/casbin/casdoor/controllers"
 	"github.com/casbin/casdoor/object"
+	"github.com/casbin/casdoor/proxy"
 	"github.com/casbin/casdoor/routers"
 
 	_ "github.com/casbin/casdoor/routers"
@@ -30,7 +30,7 @@ import (
 func main() {
 	object.InitAdapter()
 	object.InitDb()
-	controllers.InitHttpClient()
+	proxy.InitHttpClient()
 	authz.InitAuthz()
 
 	beego.InsertFilter("*", beego.BeforeRouter, cors.Allow(&cors.Options{
diff --git a/proxy/proxy.go b/proxy/proxy.go
new file mode 100644
index 00000000..27b6078f
--- /dev/null
+++ b/proxy/proxy.go
@@ -0,0 +1,55 @@
+// 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 proxy
+
+import (
+	"net/http"
+
+	"github.com/astaxie/beego"
+	"golang.org/x/net/proxy"
+)
+
+var DefaultHttpClient *http.Client
+var ProxyHttpClient *http.Client
+
+func InitHttpClient() {
+	// not use proxy
+	DefaultHttpClient = http.DefaultClient
+
+	// use proxy
+	httpProxy := beego.AppConfig.String("httpProxy")
+	if httpProxy == "" {
+		ProxyHttpClient = &http.Client{}
+		return
+	}
+
+	// https://stackoverflow.com/questions/33585587/creating-a-go-socks5-client
+	dialer, err := proxy.SOCKS5("tcp", httpProxy, nil, proxy.Direct)
+	if err != nil {
+		panic(err)
+	}
+
+	tr := &http.Transport{Dial: dialer.Dial}
+	ProxyHttpClient = &http.Client{
+		Transport: tr,
+	}
+
+	//resp, err2 := ProxyHttpClient.Get("https://google.com")
+	//if err2 != nil {
+	//	panic(err2)
+	//}
+	//defer resp.Body.Close()
+	//println("Response status: %s", resp.Status)
+}