diff --git a/src/Common/config.h b/src/Common/config.h
index b07a1548..c3458c21 100644
--- a/src/Common/config.h
+++ b/src/Common/config.h
@@ -29,6 +29,8 @@
 #define COMMON_CONFIG_H
 
 #include "Util/mini.h"
+#include <functional>
+using namespace std;
 using namespace ZL::Util;
 
 namespace Config {