diff --git a/components/FluxButton/FluxButton.h b/components/FluxButton/FluxButton.h
index add3c97..1777513 100644
--- a/components/FluxButton/FluxButton.h
+++ b/components/FluxButton/FluxButton.h
@@ -27,6 +27,8 @@ enum button_cmd_t
     BUTTON_CMD_CENTER_KEY=2,
     BUTTON_CMD_LEFT_KEY=3,
     BUTTON_CMD_RIGHT_KEY=4,
+    BUTTON_CMD_LCD_CLOSE=5,
+    BUTTON_CMD_LCD_OPEN=6,
 };
 
 #define CONFIG_GPIO_BUTTON_SUPPORT_POWER_SAVE 0
diff --git a/components/FluxPower/FluxPower.h b/components/FluxPower/FluxPower.h
index 0608b9c..5faa1e2 100644
--- a/components/FluxPower/FluxPower.h
+++ b/components/FluxPower/FluxPower.h
@@ -12,6 +12,12 @@
 #include "esp_adc/adc_cali_scheme.h"
 #include "ui.h"
 
+#define CLOSE_LCD_BACKLIGHT     ESP_ERROR_CHECK(ledc_set_duty(LEDC_LOW_SPEED_MODE, LEDC_CHANNEL_0, 9192));\
+                                ESP_ERROR_CHECK(ledc_update_duty(LEDC_LOW_SPEED_MODE, LEDC_CHANNEL_0));
+
+#define OPEN_LCD_BACKLIGHT      ESP_ERROR_CHECK(ledc_set_duty(LEDC_LOW_SPEED_MODE, LEDC_CHANNEL_0, 100));\
+                                ESP_ERROR_CHECK(ledc_update_duty(LEDC_LOW_SPEED_MODE, LEDC_CHANNEL_0));                                
+
 /*配置ADC采用通道*/
 #define EXAMPLE_ADC1_CHAN8 ADC_CHANNEL_8
 /*配置用于进行ADC采样的引脚*/