diff --git a/app/drivers/sertrf/protocol/p_protocol.c b/app/drivers/sertrf/protocol/p_protocol.c
index 8a9996f..ec03207 100644
--- a/app/drivers/sertrf/protocol/p_protocol.c
+++ b/app/drivers/sertrf/protocol/p_protocol.c
@@ -146,7 +146,7 @@ protocol_status_e get_protocol_status(void)
     protocol.protocol_status = PROTOCOL_STATUS_OK;
 
     // 先OTA升级、未知协议、未收到飞控数据
-    if(protocol.message_status == MESSAGE_OTA)
+    if(protocol.message_status == MESSAGE_OTA || protocol.message_status == MESSAGE_FC_ISP)
     {
         protocol.protocol_status = PROTOCOL_STATUS_IN_OTA;
     }
diff --git a/app/drivers/sertrf/sertrf.c b/app/drivers/sertrf/sertrf.c
index 5b72482..5d03d37 100644
--- a/app/drivers/sertrf/sertrf.c
+++ b/app/drivers/sertrf/sertrf.c
@@ -502,6 +502,7 @@ void resend_user_parse(void *resend_device)
             while (sertrf.mode_status.task_state != DATA_HANDLE_IDLE){
                 os_thread_sleep(10);} 
             otau_end(&sertrf.otau);
+            protocol_set_message_status(MESSAGE_IDLE);
             resend_send_cmd(resend_device, RESEND_CMD_ACK, 0);
             os_thread_sleep(2);
             esp_restart();
@@ -574,6 +575,7 @@ void resend_user_parse(void *resend_device)
             resend_send_cmd(resend_device, RESEND_CMD_ACK, 0);
             break;
         case RESEND_CMD_FC_ISP_DATA:
+            protocol_set_message_status(MESSAGE_FC_ISP);
             // 使用环形buff
             if(rb_size(&sertrf.data_handle_buffer) + sertrf.resend_device.rx_frame.len <= DATA_HANDLE_BUFFER_SIZE)
             {
@@ -606,6 +608,7 @@ void resend_user_parse(void *resend_device)
             // 将串口切换为无校验模式
             uart_set_parity_switch(sertrf.device.embedded_device, 0x00);
             SYS_LOG_INF("RESEND_CMD_FC_ISP_END2");
+            protocol_set_message_status(MESSAGE_IDLE);
             resend_send_cmd(resend_device, RESEND_CMD_ACK, 0);
             esp_restart();
             break;