diff --git a/include/tftlcd.h b/include/tftlcd.h
index ecfd0ce..bcd2293 100644
--- a/include/tftlcd.h
+++ b/include/tftlcd.h
@@ -103,6 +103,9 @@ typedef unsigned char uchar;
 #define LGRAYBLUE 0XA651  // 浅灰蓝色(中间层颜色)
 #define LBBLUE 0X2B12     // 浅棕蓝色(选择条目的反色)
 
+extern uint16_t PEN_COLOR;   // 画笔颜色
+extern uint16_t BACK_COLOR;  // 背景颜色
+
 void LCD_RESET();
 void LCD_Init();
 void LCD_Clear();