From 8a02c423537f383ddd525eda80f18be3aa1d4ebc Mon Sep 17 00:00:00 2001
From: qicosmos <qicosmos@163.com>
Date: Tue, 3 Sep 2019 19:54:04 +0800
Subject: [PATCH] fix

---
 include/rpc_client.hpp | 1 +
 1 file changed, 1 insertion(+)

diff --git a/include/rpc_client.hpp b/include/rpc_client.hpp
index f9ed647..beea7c8 100644
--- a/include/rpc_client.hpp
+++ b/include/rpc_client.hpp
@@ -1,4 +1,5 @@
 #pragma once
+#include <iostream>
 #include <string>
 #include <deque>
 #include <future>