diff --git a/ESP-IDF_Robot/main/blink_example_main.c b/ESP-IDF_Robot/main/blink_example_main.c
index 5b66118ef..d27fb91ba 100644
--- a/ESP-IDF_Robot/main/blink_example_main.c
+++ b/ESP-IDF_Robot/main/blink_example_main.c
@@ -441,6 +441,7 @@ static void wifi_init_sta(void) {
         .sta = {
             .ssid = "IoT_bots",
             .password = "208208208",
+            .channel = 66;
         },
     };
     ESP_ERROR_CHECK(esp_wifi_set_mode(WIFI_MODE_STA));