diff --git a/components/FluxButton/Flux_Button.h b/components/FluxButton/Flux_Button.h
index 0508050..482046f 100644
--- a/components/FluxButton/Flux_Button.h
+++ b/components/FluxButton/Flux_Button.h
@@ -49,6 +49,8 @@ extern "C" {
 /* 定义按键支持休眠 */
 #define CONFIG_GPIO_BUTTON_SUPPORT_POWER_SAVE (0)
 
+#define USE_LCD_BACKLIGHT_CLOSE (1)
+
 /**
  * @brief 按键命令枚举
  *