response.go
func (w *Response) Write(b []byte) (int, error) {
	w.Size = binary.Size(b)
	return w.ResponseWriter.Write(b)
}
func (w *Response) Write(b []byte) (int, error) {
	w.Size = binary.Size(b)
	return w.ResponseWriter.Write(b)
}
// Write the body of the response