diff --git a/app/src/main.c b/app/src/main.c
index 794a045..c50e98f 100644
--- a/app/src/main.c
+++ b/app/src/main.c
@@ -68,6 +68,7 @@ static void on_sdk_event_cb(sdk_event_t* event) {
       break;
     case kevent_on_rx_data:
       // 透传消息到上位机
+      NRF_LOG_INFO("on rx data...%s", zhex2str(event->data.on_ble_data.data, event->data.on_ble_data.length));
       uart_send_data(event->data.on_ble_data.data, event->data.on_ble_data.length);
       break;
     default:
@@ -85,6 +86,8 @@ static void on_uart_data(uint8_t* data, int32_t len) {
     return;
   }
 
+  NRF_LOG_INFO("rx cmd:%s(%d)", zhex2str(data, len), len);
+
   if (rx->cmd == kproto_cmd_ble_master_start_scan) {
     send_success_receipt(rx);
   } else if (rx->cmd == kproto_cmd_ble_master_enter_dfu) {