diff --git a/main.c b/main.c
index 03a76f5..17f2ccf 100644
--- a/main.c
+++ b/main.c
@@ -2419,7 +2419,7 @@ void *thread_uart_recv_back(void *arg){
        //LOG_I("After uart_data_receive_data_back call, ret: %d\n", parmAck);
        
        // 只在有效数据且不是心跳时才打印
-       if(tagCode != 0) {
+       if(tagCode != 0 && tagFeature != 0xFF) {
            LOG_I("recv_back:%04x,%04x,tag:%08x,%02x,%02x,%02x,%02x,battery:%02x,%04x,%02x,%04x,reserve:%04x,%08x\n",
                  parmAck,tagCodeHead,tagCode,tagSignal,totalLen,tagFeature,count,batteryV,version,ledCtrl,signCode,reserve,lableParm);
        }