diff --git a/trunk/src/core/srs_core_protocol.hpp b/trunk/src/core/srs_core_protocol.hpp
index 367506f42..7f2a92aff 100755
--- a/trunk/src/core/srs_core_protocol.hpp
+++ b/trunk/src/core/srs_core_protocol.hpp
@@ -52,6 +52,9 @@ public:
 
 class SrsMessage
 {
+public:
+	int8_t message_type;
+	int24_t payload_length;
 public:
 	SrsMessage();
 	virtual ~SrsMessage();