diff --git a/http.go b/http.go
index 32d7aa0..2a354ec 100644
--- a/http.go
+++ b/http.go
@@ -40,7 +40,7 @@ type clientConn struct {
 	cnl          context.CancelCauseFunc
 }
 
-func newClientConn(con net.Conn, closeFunc func(error)) *clientConn {
+func NewClientConn(con net.Conn, closeFunc func(error)) *clientConn {
 	ctx, cnl := context.WithCancelCause(context.TODO())
 	reader, writer := io.Pipe()
 	c := &clientConn{
diff --git a/roundTripper.go b/roundTripper.go
index 4410e31..32b168f 100644
--- a/roundTripper.go
+++ b/roundTripper.go
@@ -278,7 +278,7 @@ func (obj *roundTripper) dialConnecotr(ctx *Response, conne *connecotr, h2 bool)
 			return err
 		}
 	} else {
-		conne.Conn = newClientConn(conne.c, func(err error) {
+		conne.Conn = NewClientConn(conne.c, func(err error) {
 			conne.forceCnl(tools.WrapError(err, "http1 client close"))
 		})
 	}