diff --git a/code/part13/mytftfb.c b/code/part13/mytftfb.c
index 865a60b..273e623 100644
--- a/code/part13/mytftfb.c
+++ b/code/part13/mytftfb.c
@@ -12,6 +12,8 @@
 #include <linux/spi/spi.h>
 #include <linux/regmap.h>
 #include <linux/gpio.h>
+#include "linux/mm.h"
+#include <asm/page.h>
 
 static struct fb_info *myfb;           //定义一个fb_info
 static struct spi_device *fbspi;       //保存spi驱动指针