diff --git a/ESP-IDF_Robot/build/.ninja_lock b/ESP-IDF_Robot/build/.ninja_lock
new file mode 100644
index 000000000..e69de29bb
diff --git a/ESP-IDF_Robot/build/CMakeFiles/git-data/head-ref b/ESP-IDF_Robot/build/CMakeFiles/git-data/head-ref
index 18f055c72..ca263914f 100644
--- a/ESP-IDF_Robot/build/CMakeFiles/git-data/head-ref
+++ b/ESP-IDF_Robot/build/CMakeFiles/git-data/head-ref
@@ -1 +1 @@
-e254b855100ecfeec36b02c0161ecd6cede9ef1f
+1b42d4262d3b06e1ccd722d3c4d05d23ecf54ce8
diff --git a/ESP-IDF_Robot/main/blink_example_main.c b/ESP-IDF_Robot/main/blink_example_main.c
index 9e7a81dea..f2d9d6654 100644
--- a/ESP-IDF_Robot/main/blink_example_main.c
+++ b/ESP-IDF_Robot/main/blink_example_main.c
@@ -282,7 +282,7 @@ static void espnow_recv_cb (const esp_now_recv_info_t *recv_info, const uint8_t
     memcpy(recv_cb->mac_addr, mac_addr, ESP_NOW_ETH_ALEN);
     recv_cb->data = malloc(len);
     // Display payload received.
-    ESP_LOGW(TAG, "Received payload: %u", (unsigned int)recv_cb->data);
+    ESP_LOGW(TAG, "Received payload: %x", (unsigned int)recv_cb->data);
     if (recv_cb->data == NULL) {
         ESP_LOGE(TAG, "Malloc receive data fail");
         return;