diff --git a/interfaces/i_message.go b/interfaces/i_message.go
new file mode 100644
index 0000000..415de52
--- /dev/null
+++ b/interfaces/i_message.go
@@ -0,0 +1,4 @@
+package interfaces
+
+type IMessage interface {
+}
diff --git a/interfaces/i_packet.go b/interfaces/i_packet.go
index b448881..34e6cbf 100644
--- a/interfaces/i_packet.go
+++ b/interfaces/i_packet.go
@@ -2,6 +2,6 @@ package interfaces
 
 // IPacket 面向TCP连接中的数据流，网络数据包抽象接口
 type IPacket interface {
-	// HeaderLength TCP数据帧头部长度，固定长度值
-	HeaderLength() int
+	// HeaderLen TCP数据帧头部长度，固定长度值
+	HeaderLen() int
 }