diff --git a/ESP-IDF_Robot/main/blink_example_main.c b/ESP-IDF_Robot/main/blink_example_main.c
index 6d8c3371e..14b1971ff 100644
--- a/ESP-IDF_Robot/main/blink_example_main.c
+++ b/ESP-IDF_Robot/main/blink_example_main.c
@@ -15,12 +15,13 @@
 #include "freertos/queue.h"
 #include "driver/gpio.h"
 #include "driver/ledc.h"
-#include "driver/adc.h"
 //#include "driver/mcpwm.h"
 #include "esp_log.h"
 #include "led_strip.h"
 #include "sdkconfig.h"
 /* ADC */
+#include "driver/adc.h"
+#include "esp_adc_cal.h"
 //#include "esp_adc/adc_oneshot.h"
 #include "esp_adc/adc_cali.h"
 #include "esp_adc/adc_cali_scheme.h"