message: timeout is an optional attribute.
diff: @@ -66,7 +66,7 @@ ZEND_BEGIN_ARG_INFO_EX(arginfo_swoole_http_goaway, 0, 0, 1)
  ZEND_ARG_INFO(0, debug_data)
  ZEND_END_ARG_INFO()
  -ZEND_BEGIN_ARG_INFO_EX(arginfo_swoole_http_recv, 0, 0, 1)
  +ZEND_BEGIN_ARG_INFO_EX(arginfo_swoole_http_recv, 0, 0, 0)
  ZEND_ARG_INFO(0, timeout)
  ZEND_END_ARG_INFO()
  