diff --git a/upgrader/public.go b/upgrader/public.go
index a606c62..d082d26 100644
--- a/upgrader/public.go
+++ b/upgrader/public.go
@@ -1,26 +1,34 @@
 package upgrader
 
 import (
+	"git.xdrm.io/gws/internal/http/upgrade/response"
 	"fmt"
 	"git.xdrm.io/gws/internal/http/upgrade/request"
 	"net"
 )
 
+type T struct {
+	req *request.T
+	res *response.T
+}
 
-func Upgrade(s net.Conn) error {
+func Upgrade(s net.Conn) (*T, error) {
 
-	/* (1) Parse request */
-	req, _ := request.Parse(s)
+	/* (1) Create upgrder */
+	inst := new(T)
 
-	/* (2) Build response */
-	res := req.BuildResponse()
+	/* (2) Parse request */
+	inst.req, _ = request.Parse(s)
 
-	/* (3) Write into socket */
-	_, err := res.Send(s)
+	/* (3) Build response */
+	inst.res = inst.req.BuildResponse()
+
+	/* (4) Write into socket */
+	_, err := inst.res.Send(s)
 	if err != nil {
-		return fmt.Errorf("Socket write error: %s", err)
+		return inst, fmt.Errorf("Socket write error: %s", err)
 	}
 
-	return nil
+	return inst, nil
 
 }
\ No newline at end of file