diff --git a/kernel/common/font.h b/kernel/common/font.h
index 1c8add4f..4f07fa22 100644
--- a/kernel/common/font.h
+++ b/kernel/common/font.h
@@ -1,6 +1,5 @@
 
-#ifndef __FONT_H__
-#define __FONT_H__
+#pragma once
 
 unsigned char font_ascii[256][16]=
 {
@@ -316,5 +315,4 @@ unsigned char font_ascii[256][16]=
 
 };
 
-#endif
 
diff --git a/kernel/common/printk.h b/kernel/common/printk.h
index d3ff8003..50acbacc 100644
--- a/kernel/common/printk.h
+++ b/kernel/common/printk.h
@@ -2,8 +2,7 @@
 // Created by longjin on 2022/1/21.
 //
 #pragma once
-#ifndef PRINTK_H
-#define PRINTK_H
+
 
 #define PAD_ZERO 1 // 0填充
 #define LEFT 2     // 靠左对齐
@@ -121,4 +120,3 @@ static void putchar(unsigned int *fb, int Xsize, int x, int y, unsigned int FRco
 
 int printk_color(unsigned int FRcolor, unsigned int BKcolor, const char*fmt, ...);
 
-#endif
\ No newline at end of file