diff --git a/bsp/mini4020/lcd.c b/bsp/mini4020/lcd.c
index e1e3cfe247..93080abae1 100644
--- a/bsp/mini4020/lcd.c
+++ b/bsp/mini4020/lcd.c
@@ -11,7 +11,7 @@ extern unsigned long pVideoBuffer;
 
 
 struct rtgui_graphic_driver _rtgui_lcd_driver;
-
+struct rtgui_graphic_driver_ops  _rtgui_graphic_driver_ops;
 
 void radio_rtgui_init(void)
 {
@@ -35,27 +35,31 @@ void radio_rtgui_init(void)
     rtgui_panel_register("main", &rect);
     rtgui_panel_set_default_focused("main");
 
+_rtgui_graphic_driver_ops.set_pixel=lcd_set_pixel;
 
-        _rtgui_lcd_driver.name            = "lcd";
-        _rtgui_lcd_driver.byte_per_pixel  = 2;
+_rtgui_graphic_driver_ops.get_pixel=lcd_get_pixel;
+_rtgui_graphic_driver_ops.draw_hline=lcd_draw_hline;
+_rtgui_graphic_driver_ops.draw_vline=lcd_draw_vline;
+_rtgui_graphic_driver_ops.draw_raw_hline=lcd_draw_raw_hline;
+
+
+        _rtgui_lcd_driver.bits_per_pixel  = 16;
         _rtgui_lcd_driver.width           = 320;
         _rtgui_lcd_driver.height          = 240;
-        _rtgui_lcd_driver.draw_hline      = lcd_draw_hline;
-        _rtgui_lcd_driver.draw_raw_hline  = lcd_draw_raw_hline;
-        _rtgui_lcd_driver.draw_vline      = lcd_draw_vline;
-        _rtgui_lcd_driver.get_pixel       = lcd_get_pixel;
-        _rtgui_lcd_driver.set_pixel       = lcd_set_pixel;
-        _rtgui_lcd_driver.screen_update   = lcd_update;
-        _rtgui_lcd_driver.get_framebuffer = lcd_get_framebuffer;
+        
+        _rtgui_lcd_driver.ops = &_rtgui_graphic_driver_ops;
+
+      //  _rtgui_lcd_driver.screen_update   = lcd_update;
+       // _rtgui_lcd_driver.get_framebuffer = lcd_get_framebuffer;
 
         sep4020_lcd_init();
 
 	  rt_memset((char*)pVideoBuffer,0xff,320*240*2);
 	//	rt_memcpy((char*)pVideoBuffer,pic,320*240*2);  //TESTING IMAGE
 
-	 
+	 //´Ë´¦´ýÐÞÕý
     /* add lcd driver into graphic driver */
-    rtgui_graphic_driver_add(&_rtgui_lcd_driver);
+   // rtgui_graphic_driver_add(&_rtgui_lcd_driver);
 
 
 
diff --git a/bsp/mini4020/lcdc.c b/bsp/mini4020/lcdc.c
index a64e9a5a5a..4033ea17fc 100644
--- a/bsp/mini4020/lcdc.c
+++ b/bsp/mini4020/lcdc.c
@@ -34,7 +34,7 @@ rt_err_t  sep4020_lcd_init(void)
 }
 
 
- void lcd_set_pixel(rtgui_color_t *c, rt_base_t x, rt_base_t y)
+ void lcd_set_pixel(rtgui_color_t *c, int x,int y)
 {
     unsigned short p;
 
@@ -46,13 +46,13 @@ rt_err_t  sep4020_lcd_init(void)
 }
 
 
-void lcd_get_pixel(rtgui_color_t *c, rt_base_t x, rt_base_t y)
+void lcd_get_pixel(rtgui_color_t *c, int x, int y)
 {
 
     *c = rtgui_color_from_565p( *(unsigned short *)(pVideoBuffer+2*y*LCDWIDTH+2*x));
 }
 
-void lcd_draw_hline(rtgui_color_t *c, rt_base_t x1, rt_base_t x2, rt_base_t y)
+void lcd_draw_hline(rtgui_color_t *c, int x1, int x2, int y)
 {
     unsigned short p;
 
@@ -68,7 +68,7 @@ void lcd_draw_hline(rtgui_color_t *c, rt_base_t x1, rt_base_t x2, rt_base_t y)
     }
 }
 
-void lcd_draw_vline(rtgui_color_t *c, rt_base_t x, rt_base_t y1, rt_base_t y2)
+void lcd_draw_vline(rtgui_color_t *c, int x, int y1, int y2)
 {
     unsigned short p;
 
@@ -84,7 +84,7 @@ void lcd_draw_vline(rtgui_color_t *c, rt_base_t x, rt_base_t y1, rt_base_t y2)
     }
 }
 
-void lcd_draw_raw_hline(rt_uint8_t *pixels, rt_base_t x1, rt_base_t x2, rt_base_t y)
+void lcd_draw_raw_hline(rt_uint8_t *pixels, int x1, int x2, int y)
 {
     rt_uint16_t *ptr;
 
diff --git a/bsp/mini4020/lcdc.h b/bsp/mini4020/lcdc.h
index 4b7edb3622..3b6c791107 100644
--- a/bsp/mini4020/lcdc.h
+++ b/bsp/mini4020/lcdc.h
@@ -53,11 +53,11 @@
 #define HM   (7 << 16)
 #define TM   (3)
 
-void lcd_set_pixel(rtgui_color_t *c, rt_base_t x, rt_base_t y);
-void lcd_get_pixel(rtgui_color_t *c, rt_base_t x, rt_base_t y);
-void lcd_draw_hline(rtgui_color_t *c, rt_base_t x1, rt_base_t x2, rt_base_t y) ;
-void lcd_draw_vline(rtgui_color_t *c, rt_base_t x, rt_base_t y1, rt_base_t y2) ;
-void lcd_draw_raw_hline(rt_uint8_t *pixels, rt_base_t x1, rt_base_t x2, rt_base_t y)  ;
+void lcd_set_pixel(rtgui_color_t *c, int x, int y);
+void lcd_get_pixel(rtgui_color_t *c, int x, int y);
+void lcd_draw_hline(rtgui_color_t *c, int x1, int x2, int y) ;
+void lcd_draw_vline(rtgui_color_t *c, int x, int y1, int y2) ;
+void lcd_draw_raw_hline(rt_uint8_t *pixels, int x1, int x2, int y)  ;
 void lcd_update(rtgui_rect_t *rect);
 rt_uint8_t * lcd_get_framebuffer(void);
 rt_err_t sep4020_lcd_init(void);
diff --git a/bsp/mini4020/sdcard.c b/bsp/mini4020/sdcard.c
index 21aa5c6752..d2357e4175 100644
--- a/bsp/mini4020/sdcard.c
+++ b/bsp/mini4020/sdcard.c
@@ -15,7 +15,7 @@
  */
 
 #include "sdcard.h"
-#include <dfs_config.h>
+//#include <dfs_config.h>
 
 volatile rt_int32_t RCA;