message: bind coro tcp/udp client to coresponding coroutine
diff: @@ -938,7 +938,7 @@ static PHP_METHOD(swoole_client_coro, recv)
  }
  else if (ccp->iowait == SW_CLIENT_CORO_STATUS_WAIT && ccp->cid != COROG.current_coro->cid)
  {
  - swoole_php_fatal_error(E_WARNING, "client is not connected to server.");
  + swoole_php_fatal_error(E_WARNING, "Client has been bound to another coro");
  RETURN_FALSE;
  }
  