diff --git a/include/client_util.hpp b/include/client_util.hpp
index 5afc72d..3bce171 100644
--- a/include/client_util.hpp
+++ b/include/client_util.hpp
@@ -37,7 +37,9 @@ namespace rest_rpc {
 	template<typename T>
 	inline T as(string_view result) {
 		if (has_error(result)) {
-			throw std::logic_error("rpc error");
+			rpc_service::msgpack_codec codec;
+			auto tp = codec.unpack<std::tuple<int, std::string>>(result.data(), result.size());
+			throw std::logic_error(std::get<1>(tp));
 		}
 
 		return get_result<T>(result);
diff --git a/include/rpc_client.hpp b/include/rpc_client.hpp
index dbb9241..cb0a264 100644
--- a/include/rpc_client.hpp
+++ b/include/rpc_client.hpp
@@ -118,7 +118,7 @@ namespace rest_rpc {
 		void async_reconnect(){
             reset_socket();
             async_connect();
-			std::this_thread::sleep_for(std::chrono::seconds(1));
+			std::this_thread::sleep_for(std::chrono::milliseconds(connect_timeout_));
 		}
 
 		bool connect(size_t timeout = 1) {
@@ -520,7 +520,7 @@ namespace rest_rpc {
 
 		std::string host_;
 		unsigned short port_ = 0;
-		size_t connect_timeout_ = 2;//s
+		size_t connect_timeout_ = 2000;//s
 		size_t wait_timeout_ = 2;//s
 		int reconnect_cnt_ = -1;
 		bool has_connected_ = false;