diff --git a/ESP-IDF_Robot_RC/main/espnow_example_main.c b/ESP-IDF_Robot_RC/main/espnow_example_main.c
index 1cea5ae7d..356317748 100755
--- a/ESP-IDF_Robot_RC/main/espnow_example_main.c
+++ b/ESP-IDF_Robot_RC/main/espnow_example_main.c
@@ -139,10 +139,16 @@ void app_main(void)
     wifi_init();
     esp_now_init();
     esp_now_register_recv_cb(onDataReceived);
-    esp_now_register_send_cb(onDataSent);
+    //esp_now_register_send_cb(onDataSent);
 
     memcpy (peerInfo.peer_addr, receiver_mac, 6);
     esp_now_add_peer(&peerInfo);
+    if (esp_now_is_peer_exist(receiver_mac)) {
+        ESP_LOGI("ESP-NOW", "Receiver exists.");
+        sendData();
+    }
+    else
+        ESP_LOGE("ESP-NOW", "Receiver does not exists.");
 
     xTaskCreate (rc_send_data_task, "RC", 2048, NULL, 15, NULL);
 }