diff --git a/app/drivers/sertrf/protocol/p_protocol.c b/app/drivers/sertrf/protocol/p_protocol.c
index 75a36cf..8957a6a 100644
--- a/app/drivers/sertrf/protocol/p_protocol.c
+++ b/app/drivers/sertrf/protocol/p_protocol.c
@@ -31,7 +31,7 @@ int Protocol_write(const void *data, uint32_t size, uint32_t wait_ms)
     return -1;
 }
 
-void Protocol_init(port_type_m port_type, void* port)
+void Protocol_init(port_type_e port_type, void* port)
 {
     protocol.port.data_port = port;
     protocol.port_type = port_type;
@@ -137,11 +137,11 @@ void Protocol_buf_decode(void* data, uint32_t size)
             break;
     }
 }
-void protocol_set_message_status(message_status_m status)
+void protocol_set_message_status(message_status_e status)
 {
     protocol.message_status = status;
 }
-protocol_status_t get_protocol_status(void)
+protocol_status_e get_protocol_status(void)
 {
     protocol.protocol_status = PROTOCOL_STATUS_OK;
 
diff --git a/app/drivers/sertrf/protocol/p_protocol.h b/app/drivers/sertrf/protocol/p_protocol.h
index 79d36d7..db3bd5d 100644
--- a/app/drivers/sertrf/protocol/p_protocol.h
+++ b/app/drivers/sertrf/protocol/p_protocol.h
@@ -22,12 +22,13 @@ typedef enum
 {
     PORT_LINUX_UART = 0,
     PORT_LINUX_SBDATA,
-}port_type_m;
+}port_type_e;
 typedef enum
 {
     MESSAGE_IDLE = 0,
     MESSAGE_OTA,
-}message_status_m;
+    MESSAGE_FC_ISP,
+}message_status_e;
 typedef enum
 {
     PROTOCOL_STATUS_OK = 0,
@@ -35,20 +36,20 @@ typedef enum
     PROTOCOL_STATUS_TYPE_IDLE,                      //协议类型未知
     PROTOCOL_STATUS_ANALYSIS_ERROR,                 //长时间解析失败
     PROTOCOL_STATUS_IN_OTA,                         //OTA中
-}protocol_status_t;
+}protocol_status_e;
 typedef struct
 {
     protocol_port_t port;
     protocol_type_m pro_type;
-    port_type_m port_type;
+    port_type_e port_type;
 
     mavlink_device_t mavlink_device;
     msp_port_t msp;
 
-    protocol_status_t protocol_status;
+    protocol_status_e protocol_status;
     uint16_t analysis_sussess_count;        //数据解析成功次数
 
-    message_status_m message_status;  
+    message_status_e message_status;  
 
     mavlink_message_t message;       
 }protocol_t;
@@ -59,7 +60,7 @@ typedef struct
  * @param port_type 使用的设备类型（如串口或其他）
  * @param port  由对应的驱动提供的绑定接口获得的句柄
  */
-void Protocol_init(port_type_m port_type, void* port);
+void Protocol_init(port_type_e port_type, void* port);
 /**
  * @brief 搜索协议
  * 
@@ -90,13 +91,13 @@ void Protocol_buf_decode(void* data, uint32_t size);
  * 
  * @param status 消息状态
 */
-void protocol_set_message_status(message_status_m status);
+void protocol_set_message_status(message_status_e status);
 /**
  * @brief 获取协议状态
  * 
  * @retval 协议状态
  */
-protocol_status_t get_protocol_status(void);
+protocol_status_e get_protocol_status(void);
 
 /**
  * @brief 飞控重启命令