diff --git a/zscanprotocol.hpp b/zscanprotocol.h
similarity index 57%
rename from zscanprotocol.hpp
rename to zscanprotocol.h
index 5c8621a..6fdf1b2 100644
--- a/zscanprotocol.hpp
+++ b/zscanprotocol.h
@@ -1,20 +1,5 @@
 #pragma once
 #include <stdint.h>
-
-namespace iflytop {
-namespace zscanprotocol {
-
-#pragma pack(1)
-
-/**
- * @brief 消息格式 12bit from,1bit emergency
- * H                                    L
- * [1] [4bit]  [8bit] [8bit]  [4bit/4bit]
- *          ,   from    to    frameNum/frameId
- */
-
-// 数值越大优先级越低
-
 typedef enum {
   kcmd,
   kreceipt,
@@ -42,10 +27,3 @@ typedef struct {
   uint16_t function_id;
   uint8_t  params[];
 } zcanbus_packet_t;
-
-#pragma pack()
-
-}  // namespace zscanprotocol
-namespace err {
-}
-}  // namespace iflytop