diff --git a/reverseproxy.go b/reverseproxy.go
index 3b62134..26a93a9 100644
--- a/reverseproxy.go
+++ b/reverseproxy.go
@@ -9,15 +9,18 @@ import (
 )
 
 type ReverseProxy struct {
+	context.Context
 	*httputil.ReverseProxy
 }
 
 type CtxKey string
 
 func New(ctx context.Context, host string) *ReverseProxy {
+
 	ctxKey := CtxKey("host")
 	ctx = context.WithValue(ctx, ctxKey, host)
-	reverseproxy := &httputil.ReverseProxy{
+
+	reverseProxySTDLIB := &httputil.ReverseProxy{
 		Director: func(r *http.Request) {
 			r = r.WithContext(ctx)
 			hostFromCtx := ctx.Value(ctxKey).(string)
@@ -33,7 +36,17 @@ func New(ctx context.Context, host string) *ReverseProxy {
 			}
 		},
 	}
-	return &ReverseProxy{reverseproxy}
+	reverseProxy := &ReverseProxy{}
+	reverseProxy.Context = ctx
+	reverseProxy.ReverseProxy = reverseProxySTDLIB
+	return reverseProxy
+}
+func (revereProxy *ReverseProxy) SetContext(ctx context.Context) {
+	revereProxy.Context = ctx
+}
+func (revereProxy *ReverseProxy) DirectorFunc(df func(jup JoinURLPathFunc) DirectorFunc) {
+	d := df(joinURLPath)
+	revereProxy.Director = d
 }
 
 func singleJoiningSlash(a, b string) string {
@@ -68,3 +81,8 @@ func joinURLPath(a, b *url.URL) (path, rawpath string) {
 	}
 	return a.Path + b.Path, apath + bpath
 }
+
+type JoinURLPathFunc func(*url.URL, *url.URL) (string, string)
+
+// type SingleJoiningSlashFunc func(string, string) string
+type DirectorFunc func(*http.Request)