diff --git a/Power_Pico/BSP/LCD/lcd.c b/Power_Pico/BSP/LCD/lcd.c
index d2b4426..fd528d7 100644
--- a/Power_Pico/BSP/LCD/lcd.c
+++ b/Power_Pico/BSP/LCD/lcd.c
@@ -4,17 +4,6 @@
 #include "spi.h"
 #include "cmsis_os.h"
 
-#if USE_HORIZONTAL == 0
-	#define OFFSET_Y 0
-	#define OFFSET_X 0
-#elif USE_HORIZONTAL == 1
-	#define OFFSET_Y 80
-	#define OFFSET_X 0
-#else
-	#define OFFSET_Y 0
-	#define OFFSET_X 0
-#endif
-
 extern osSemaphoreId_t DMA_SemaphoreHandle;
 /******************************************************************************
       函数说明：在指定区域填充颜色
diff --git a/Power_Pico/BSP/LCD/lcd_init.c b/Power_Pico/BSP/LCD/lcd_init.c
index fad125a..e914f76 100644
--- a/Power_Pico/BSP/LCD/lcd_init.c
+++ b/Power_Pico/BSP/LCD/lcd_init.c
@@ -2,6 +2,10 @@
 #include "spi.h"
 #include "tim.h"
 
+uint8_t LCD_ROTATION = 0; // 0, 90, 180, 270
+uint8_t OFFSET_X = 0;
+uint8_t OFFSET_Y = 0;
+
 /******************************************************************************
       º¯Êý˵Ã÷£ºLCD¶Ë¿Ú³õʼ»¯
       Èë¿ÚÊý¾Ý£ºÎÞ
@@ -175,6 +179,33 @@ void LCD_ST7789_SleepOut(void)
 	HAL_Delay(100);
 }
 
+/******************************************************************************
+	º¯Êý˵Ã÷£ºÉèÖÃÆÁÄ»Ðýת·½Ïò
+	Èë¿ÚÊý¾Ý£ºrotation 0, 90, 180, 270
+	·µ»ØÖµ£º  ÎÞ
+******************************************************************************/
+void LCD_SetRotation(uint8_t rotation) {
+	LCD_WR_REG(0x36); // Memory Data Access Control
+	switch(rotation) {
+		case 0:
+			OFFSET_Y = 0;
+			LCD_WR_DATA8(0x00);
+			break;
+		case 180:
+			OFFSET_Y = 80;
+			LCD_WR_DATA8(0xC0);
+			break;
+		case 90:
+			LCD_WR_DATA8(0x70);
+			break;
+		case 270:
+			LCD_WR_DATA8(0xA0);
+			break;
+		default:
+			LCD_WR_DATA8(0x00);
+			break;
+	}
+}
 
 /******************************************************************************
       º¯Êý˵Ã÷£ºLCD³õʼ»¯
@@ -194,10 +225,7 @@ void LCD_Init(void)
 	LCD_WR_REG(0x11);
 	HAL_Delay(120);
 	LCD_WR_REG(0x36);
-	if(USE_HORIZONTAL==0)LCD_WR_DATA8(0x00);
-	else if(USE_HORIZONTAL==1)LCD_WR_DATA8(0xC0);
-	else if(USE_HORIZONTAL==2)LCD_WR_DATA8(0x70);
-	else LCD_WR_DATA8(0xA0);
+	LCD_SetRotation(LCD_ROTATION);
 
 	LCD_WR_REG(0x3A);
 	LCD_WR_DATA8(0x05);
diff --git a/Power_Pico/BSP/LCD/lcd_init.h b/Power_Pico/BSP/LCD/lcd_init.h
index 047ed6c..88117bc 100644
--- a/Power_Pico/BSP/LCD/lcd_init.h
+++ b/Power_Pico/BSP/LCD/lcd_init.h
@@ -3,19 +3,13 @@
 
 #include "sys.h"
 
-#define USE_HORIZONTAL 1  //ÉèÖúáÆÁ»òÕßÊúÆÁÏÔʾ 0»ò1ΪÊúÆÁ 2»ò3ΪºáÆÁ
+extern uint8_t LCD_ROTATION;
+extern uint8_t OFFSET_X;
+extern uint8_t OFFSET_Y;
 
-
-#if USE_HORIZONTAL==0||USE_HORIZONTAL==1
 #define LCD_W 240
 #define LCD_H 240
 
-#else
-#define LCD_W 240
-#define LCD_H 240
-#endif
-
-
 //-----------------LCD¶Ë¿Ú¶¨Òå----------------
 #define SCLK_PORT			GPIOB
 #define SCLK_PIN			GPIO_PIN_13
diff --git a/Power_Pico/Core/Src/main.c b/Power_Pico/Core/Src/main.c
index b6f0bde..8912c73 100644
--- a/Power_Pico/Core/Src/main.c
+++ b/Power_Pico/Core/Src/main.c
@@ -75,7 +75,7 @@ int main(void)
 
   /* USER CODE BEGIN 1 */
   //this must set same as keil setting
-  SCB->VTOR = 0x00000000U;
+  SCB->VTOR = FLASH_BASE + 0x00000000;
   /* USER CODE END 1 */
 
   /* MCU Configuration--------------------------------------------------------*/