diff --git a/27_day/Makefile b/27_day/Makefile
index 719f71d..f1ed997 100644
--- a/27_day/Makefile
+++ b/27_day/Makefile
@@ -21,15 +21,16 @@ BIM2HRB  = $(TOOLPATH)bim2hrb.exe
 RULEFILE = $(TOOLPATH)haribote/haribote.rul
 EDIMG    = $(TOOLPATH)edimg.exe
 IMGTOL   = $(TOOLPATH)imgtol.com
+GOLIB    = $(TOOLPATH)golib00.exe 
 COPY     = copy
 DEL      = del
 
-# 默认动作
+# �f�t�H���g����
 
 default :
 	$(MAKE) img
 
-# 镜像文件生成
+# �t�@�C�������K��
 
 ipl10.bin : ipl10.nas Makefile
 	$(NASK) ipl10.nas ipl10.bin ipl10.lst
@@ -54,27 +55,24 @@ bootpack.hrb : bootpack.bim Makefile
 haribote.sys : asmhead.bin bootpack.hrb Makefile
 	copy /B asmhead.bin+bootpack.hrb haribote.sys
 
-hello.hrb : hello.nas Makefile
-	$(NASK) hello.nas hello.hrb hello.lst
+apilib.lib : Makefile $(OBJS_API)
+	$(GOLIB) $(OBJS_API) out:apilib.lib
 
-hello2.hrb : hello2.nas Makefile
-	$(NASK) hello2.nas hello2.hrb hello2.lst
-
-a.bim : a.obj $(OBJS_API) Makefile
-	$(OBJ2BIM) @$(RULEFILE) out:a.bim map:a.map a.obj $(OBJS_API)
+a.bim : a.obj apilib.lib Makefile
+	$(OBJ2BIM) @$(RULEFILE) out:a.bim map:a.map a.obj apilib.lib
 
 a.hrb : a.bim Makefile
 	$(BIM2HRB) a.bim a.hrb 0
 
-hello3.bim : hello3.obj $(OBJS_API) Makefile
-	$(OBJ2BIM) @$(RULEFILE) out:hello3.bim map:hello3.map hello3.obj $(OBJS_API)
+hello3.bim : hello3.obj apilib.lib Makefile
+	$(OBJ2BIM) @$(RULEFILE) out:hello3.bim map:hello3.map hello3.obj apilib.lib
 
 hello3.hrb : hello3.bim Makefile
 	$(BIM2HRB) hello3.bim hello3.hrb 0
 
-hello4.bim : hello4.obj $(OBJS_API) Makefile
+hello4.bim : hello4.obj apilib.lib Makefile
 	$(OBJ2BIM) @$(RULEFILE) out:hello4.bim stack:1k map:hello4.map \
-		hello4.obj $(OBJS_API)
+		hello4.obj apilib.lib
 
 hello4.hrb : hello4.bim Makefile
 	$(BIM2HRB) hello4.bim hello4.hrb 0
@@ -85,108 +83,99 @@ hello5.bim : hello5.obj Makefile
 hello5.hrb : hello5.bim Makefile
 	$(BIM2HRB) hello5.bim hello5.hrb 0
 
-winhelo.bim : winhelo.obj $(OBJS_API) Makefile
+winhelo.bim : winhelo.obj apilib.lib Makefile
 	$(OBJ2BIM) @$(RULEFILE) out:winhelo.bim stack:1k map:winhelo.map \
-		winhelo.obj $(OBJS_API)
+		winhelo.obj apilib.lib
 
 winhelo.hrb : winhelo.bim Makefile
 	$(BIM2HRB) winhelo.bim winhelo.hrb 0
 
-winhelo2.bim : winhelo2.obj $(OBJS_API) Makefile
+winhelo2.bim : winhelo2.obj apilib.lib Makefile
 	$(OBJ2BIM) @$(RULEFILE) out:winhelo2.bim stack:1k map:winhelo2.map \
-		winhelo2.obj $(OBJS_API)
+		winhelo2.obj apilib.lib
 
 winhelo2.hrb : winhelo2.bim Makefile
 	$(BIM2HRB) winhelo2.bim winhelo2.hrb 0
 
-winhelo3.bim : winhelo3.obj $(OBJS_API) Makefile
+winhelo3.bim : winhelo3.obj apilib.lib Makefile
 	$(OBJ2BIM) @$(RULEFILE) out:winhelo3.bim stack:1k map:winhelo3.map \
-		winhelo3.obj $(OBJS_API)
+		winhelo3.obj apilib.lib
 
 winhelo3.hrb : winhelo3.bim Makefile
 	$(BIM2HRB) winhelo3.bim winhelo3.hrb 40k
 
-star1.bim : star1.obj $(OBJS_API) Makefile
+star1.bim : star1.obj apilib.lib Makefile
 	$(OBJ2BIM) @$(RULEFILE) out:star1.bim stack:1k map:star1.map \
-		star1.obj $(OBJS_API)
+		star1.obj apilib.lib
 
 star1.hrb : star1.bim Makefile
 	$(BIM2HRB) star1.bim star1.hrb 47k
 
-stars.bim : stars.obj $(OBJS_API) Makefile
+stars.bim : stars.obj apilib.lib Makefile
 	$(OBJ2BIM) @$(RULEFILE) out:stars.bim stack:1k map:stars.map \
-		stars.obj $(OBJS_API)
+		stars.obj apilib.lib
 
 stars.hrb : stars.bim Makefile
 	$(BIM2HRB) stars.bim stars.hrb 47k
 
-stars2.bim : stars2.obj $(OBJS_API) Makefile
+stars2.bim : stars2.obj apilib.lib Makefile
 	$(OBJ2BIM) @$(RULEFILE) out:stars2.bim stack:1k map:stars2.map \
-		stars2.obj $(OBJS_API)
+		stars2.obj apilib.lib
 
 stars2.hrb : stars2.bim Makefile
 	$(BIM2HRB) stars2.bim stars2.hrb 47k
 
-lines.bim : lines.obj $(OBJS_API) Makefile
+lines.bim : lines.obj apilib.lib Makefile
 	$(OBJ2BIM) @$(RULEFILE) out:lines.bim stack:1k map:lines.map \
-		lines.obj $(OBJS_API)
+		lines.obj apilib.lib
 
 lines.hrb : lines.bim Makefile
 	$(BIM2HRB) lines.bim lines.hrb 48k
 
-walk.bim : walk.obj $(OBJS_API) Makefile
+walk.bim : walk.obj apilib.lib Makefile
 	$(OBJ2BIM) @$(RULEFILE) out:walk.bim stack:1k map:walk.map \
-		walk.obj $(OBJS_API)
+		walk.obj apilib.lib
 
 walk.hrb : walk.bim Makefile
 	$(BIM2HRB) walk.bim walk.hrb 48k
 
-noodle.bim : noodle.obj $(OBJS_API) Makefile
+noodle.bim : noodle.obj apilib.lib Makefile
 	$(OBJ2BIM) @$(RULEFILE) out:noodle.bim stack:1k map:noodle.map \
-		noodle.obj $(OBJS_API)
+		noodle.obj apilib.lib
 
 noodle.hrb : noodle.bim Makefile
 	$(BIM2HRB) noodle.bim noodle.hrb 40k
 
-beepdown.bim : beepdown.obj $(OBJS_API) Makefile
+beepdown.bim : beepdown.obj apilib.lib Makefile
 	$(OBJ2BIM) @$(RULEFILE) out:beepdown.bim stack:1k map:beepdown.map \
-		beepdown.obj $(OBJS_API)
+		beepdown.obj apilib.lib
 
 beepdown.hrb : beepdown.bim Makefile
 	$(BIM2HRB) beepdown.bim beepdown.hrb 40k
 
-color.bim : color.obj $(OBJS_API) Makefile
+color.bim : color.obj apilib.lib Makefile
 	$(OBJ2BIM) @$(RULEFILE) out:color.bim stack:1k map:color.map \
-		color.obj $(OBJS_API)
+		color.obj apilib.lib
 
 color.hrb : color.bim Makefile
 	$(BIM2HRB) color.bim color.hrb 56k
 
-color2.bim : color2.obj $(OBJS_API) Makefile
+color2.bim : color2.obj apilib.lib Makefile
 	$(OBJ2BIM) @$(RULEFILE) out:color2.bim stack:1k map:color2.map \
-		color2.obj $(OBJS_API)
+		color2.obj apilib.lib
 
 color2.hrb : color2.bim Makefile
 	$(BIM2HRB) color2.bim color2.hrb 56k
 
-crack7.bim : crack7.obj Makefile
-	$(OBJ2BIM) @$(RULEFILE) out:crack7.bim stack:1k map:crack7.map crack7.obj
-
-crack7.hrb : crack7.bim Makefile
-	$(BIM2HRB) crack7.bim crack7.hrb 0k
-
 haribote.img : ipl10.bin haribote.sys Makefile \
-		hello.hrb hello2.hrb a.hrb hello3.hrb hello4.hrb hello5.hrb \
-		winhelo.hrb winhelo2.hrb winhelo3.hrb star1.hrb stars.hrb stars2.hrb \
-		lines.hrb walk.hrb noodle.hrb beepdown.hrb color.hrb color2.hrb \
-		crack7.hrb
+		a.hrb hello3.hrb hello4.hrb hello5.hrb winhelo.hrb winhelo2.hrb \
+		winhelo3.hrb star1.hrb stars.hrb stars2.hrb lines.hrb walk.hrb \
+		noodle.hrb beepdown.hrb color.hrb color2.hrb
 	$(EDIMG)   imgin:../z_tools/fdimg0at.tek \
 		wbinimg src:ipl10.bin len:512 from:0 to:0 \
 		copy from:haribote.sys to:@: \
 		copy from:ipl10.nas to:@: \
 		copy from:make.bat to:@: \
-		copy from:hello.hrb to:@: \
-		copy from:hello2.hrb to:@: \
 		copy from:a.hrb to:@: \
 		copy from:hello3.hrb to:@: \
 		copy from:hello4.hrb to:@: \
@@ -203,12 +192,11 @@ haribote.img : ipl10.bin haribote.sys Makefile \
 		copy from:beepdown.hrb to:@: \
 		copy from:color.hrb to:@: \
 		copy from:color2.hrb to:@: \
-		copy from:crack7.hrb to:@: \
 		imgout:haribote.img
 
-# 其他指令
+# ��ʋK��
 
-%.gas : %.c bootpack.h Makefile
+%.gas : %.c bootpack.h apilib.h Makefile
 	$(CC1) -o $*.gas $*.c
 
 %.nas : %.gas Makefile
@@ -217,7 +205,7 @@ haribote.img : ipl10.bin haribote.sys Makefile \
 %.obj : %.nas Makefile
 	$(NASK) $*.nas $*.obj $*.lst
 
-# 运行程序
+# �R�}���h
 
 img :
 	$(MAKE) haribote.img
@@ -239,6 +227,7 @@ clean :
 	-$(DEL) *.bim
 	-$(DEL) *.hrb
 	-$(DEL) haribote.sys
+	-$(DEL) apilib.lib
 
 src_only :
 	$(MAKE) clean
diff --git a/27_day/a.c b/27_day/a.c
index a6668af..3df81f5 100644
--- a/27_day/a.c
+++ b/27_day/a.c
@@ -1,5 +1,4 @@
-void api_putchar(int c);
-void api_end(void);
+#include "apilib.h"
 
 void HariMain(void)
 {
diff --git a/27_day/apilib.h b/27_day/apilib.h
new file mode 100644
index 0000000..80ec6e0
--- /dev/null
+++ b/27_day/apilib.h
@@ -0,0 +1,20 @@
+void api_putchar(int c);
+void api_putstr0(char *s);
+void api_putstr1(char *s, int l);
+void api_end(void);
+int api_openwin(char *buf, int xsiz, int ysiz, int col_inv, char *title);
+void api_putstrwin(int win, int x, int y, int col, int len, char *str);
+void api_boxfilwin(int win, int x0, int y0, int x1, int y1, int col);
+void api_initmalloc(void);
+char *api_malloc(int size);
+void api_free(char *addr, int size);
+void api_point(int win, int x, int y, int col);
+void api_refreshwin(int win, int x0, int y0, int x1, int y1);
+void api_linewin(int win, int x0, int y0, int x1, int y1, int col);
+void api_closewin(int win);
+int api_getkey(int mode);
+int api_alloctimer(void);
+void api_inittimer(int timer, int data);
+void api_settimer(int timer, int time);
+void api_freetimer(int timer);
+void api_beep(int tone);
diff --git a/27_day/beepdown.c b/27_day/beepdown.c
index db1aa59..d08962c 100644
--- a/27_day/beepdown.c
+++ b/27_day/beepdown.c
@@ -1,9 +1,4 @@
-void api_end(void);
-int api_getkey(int mode);
-int api_alloctimer(void);
-void api_inittimer(int timer, int data);
-void api_settimer(int timer, int time);
-void api_beep(int tone);
+#include "apilib.h"
 
 void HariMain(void)
 {
diff --git a/27_day/color.c b/27_day/color.c
index c004c14..ce228e2 100644
--- a/27_day/color.c
+++ b/27_day/color.c
@@ -1,10 +1,4 @@
-int api_openwin(char *buf, int xsiz, int ysiz, int col_inv, char *title);
-void api_initmalloc(void);
-char *api_malloc(int size);
-void api_refreshwin(int win, int x0, int y0, int x1, int y1);
-void api_linewin(int win, int x0, int y0, int x1, int y1, int col);
-int api_getkey(int mode);
-void api_end(void);
+#include "apilib.h"
 
 void HariMain(void)
 {
diff --git a/27_day/color2.c b/27_day/color2.c
index c063768..82e3f6a 100644
--- a/27_day/color2.c
+++ b/27_day/color2.c
@@ -1,10 +1,4 @@
-int api_openwin(char *buf, int xsiz, int ysiz, int col_inv, char *title);
-void api_initmalloc(void);
-char *api_malloc(int size);
-void api_refreshwin(int win, int x0, int y0, int x1, int y1);
-void api_linewin(int win, int x0, int y0, int x1, int y1, int col);
-int api_getkey(int mode);
-void api_end(void);
+#include "apilib.h"
 
 unsigned char rgb2pal(int r, int g, int b, int x, int y);
 
@@ -21,7 +15,7 @@ void HariMain(void)
 		}
 	}
 	api_refreshwin(win, 8, 28, 136, 156);
-	api_getkey(1); /*等待按下任意键*/
+	api_getkey(1); /* �Ă��Ƃ��ȃL�[���͂�҂� */
 	api_end();
 }
 
diff --git a/27_day/crack7.nas b/27_day/crack7.nas
deleted file mode 100644
index 134090f..0000000
--- a/27_day/crack7.nas
+++ /dev/null
@@ -1,28 +0,0 @@
-[FORMAT "WCOFF"]
-[INSTRSET "i486p"]
-[BITS 32]
-[FILE "crack7.nas"]
-
-		GLOBAL	_HariMain
-
-[SECTION .text]
-
-_HariMain:
-		MOV		AX,1005*8
-		MOV		DS,AX
-		CMP		DWORD [DS:0x0004],'Hari'
-		JNE		fin								; 不是应用程序，因此不执行任何操作
-
-		MOV		ECX,[DS:0x0000]		; 读取该应用程序数据段的大小
-		MOV		AX,2005*8
-		MOV		DS,AX
-
-crackloop:							; 整个用123填充
-		ADD		ECX,-1
-		MOV		BYTE [DS:ECX],123
-		CMP		ECX,0
-		JNE		crackloop
-
-fin:										; 结束
-		MOV		EDX,4
-		INT		0x40
diff --git a/27_day/hello.nas b/27_day/hello.nas
deleted file mode 100644
index b4e9576..0000000
--- a/27_day/hello.nas
+++ /dev/null
@@ -1,16 +0,0 @@
-[INSTRSET "i486p"]
-[BITS 32]
-		MOV		ECX,msg
-		MOV		EDX,1
-putloop:
-		MOV		AL,[CS:ECX]
-		CMP		AL,0
-		JE		fin
-		INT		0x40
-		ADD		ECX,1
-		JMP		putloop
-fin:
-		MOV 	EDX,4
-		INT		0x40
-msg:
-		DB	"hello",0
diff --git a/27_day/hello2.nas b/27_day/hello2.nas
deleted file mode 100644
index 5e1e58c..0000000
--- a/27_day/hello2.nas
+++ /dev/null
@@ -1,9 +0,0 @@
-[INSTRSET "i486p"]
-[BITS 32]
-		MOV		EDX,2
-		MOV		EBX,msg
-		INT		0x40
-		MOV 	EDX,4
-		INT		0x40
-msg:
-		DB	"hello",0
diff --git a/27_day/hello3.c b/27_day/hello3.c
index 97d3236..f71cedf 100644
--- a/27_day/hello3.c
+++ b/27_day/hello3.c
@@ -1,5 +1,4 @@
-void api_putchar(int c);
-void api_end(void);
+#include "apilib.h"
 
 void HariMain(void)
 {
diff --git a/27_day/hello4.c b/27_day/hello4.c
index 7fb73de..ec04384 100644
--- a/27_day/hello4.c
+++ b/27_day/hello4.c
@@ -1,5 +1,4 @@
-void api_putstr0(char *s);
-void api_end(void);
+#include "apilib.h"
 
 void HariMain(void)
 {
diff --git a/27_day/lines.c b/27_day/lines.c
index 83e7ceb..5217faa 100644
--- a/27_day/lines.c
+++ b/27_day/lines.c
@@ -1,11 +1,4 @@
-int api_openwin(char *buf, int xsiz, int ysiz, int col_inv, char *title);
-void api_initmalloc(void);
-char *api_malloc(int size);
-void api_refreshwin(int win, int x0, int y0, int x1, int y1);
-void api_linewin(int win, int x0, int y0, int x1, int y1, int col);
-void api_closewin(int win);
-int api_getkey(int mode);
-void api_end(void);
+#include "apilib.h"
 
 void HariMain(void)
 {
diff --git a/27_day/noodle.c b/27_day/noodle.c
index 13b9033..108d148 100644
--- a/27_day/noodle.c
+++ b/27_day/noodle.c
@@ -1,15 +1,5 @@
 #include <stdio.h>
-
-int api_openwin(char *buf, int xsiz, int ysiz, int col_inv, char *title);
-void api_putstrwin(int win, int x, int y, int col, int len, char *str);
-void api_boxfilwin(int win, int x0, int y0, int x1, int y1, int col);
-void api_initmalloc(void);
-char *api_malloc(int size);
-int api_getkey(int mode);
-int api_alloctimer(void);
-void api_inittimer(int timer, int data);
-void api_settimer(int timer, int time);
-void api_end(void);
+#include "apilib.h"
 
 void HariMain(void)
 {
diff --git a/27_day/star1.c b/27_day/star1.c
index 8d80ffa..6477c2a 100644
--- a/27_day/star1.c
+++ b/27_day/star1.c
@@ -1,9 +1,4 @@
-int api_openwin(char *buf, int xsiz, int ysiz, int col_inv, char *title);
-void api_boxfilwin(int win, int x0, int y0, int x1, int y1, int col);
-void api_initmalloc(void);
-char *api_malloc(int size);
-void api_point(int win, int x, int y, int col);
-void api_end(void);
+#include "apilib.h"
 
 void HariMain(void)
 {
diff --git a/27_day/stars.c b/27_day/stars.c
index dc38b2b..c8dae64 100644
--- a/27_day/stars.c
+++ b/27_day/stars.c
@@ -1,9 +1,4 @@
-int api_openwin(char *buf, int xsiz, int ysiz, int col_inv, char *title);
-void api_boxfilwin(int win, int x0, int y0, int x1, int y1, int col);
-void api_initmalloc(void);
-char *api_malloc(int size);
-void api_point(int win, int x, int y, int col);
-void api_end(void);
+#include "apilib.h"
 
 int rand(void);		/*产生0～32767之间的随机数*/
 
diff --git a/27_day/stars2.c b/27_day/stars2.c
index 94a029e..11ec0e1 100644
--- a/27_day/stars2.c
+++ b/27_day/stars2.c
@@ -1,10 +1,4 @@
-int api_openwin(char *buf, int xsiz, int ysiz, int col_inv, char *title);
-void api_boxfilwin(int win, int x0, int y0, int x1, int y1, int col);
-void api_initmalloc(void);
-char *api_malloc(int size);
-void api_point(int win, int x, int y, int col);
-void api_refreshwin(int win, int x0, int y0, int x1, int y1);
-void api_end(void);
+#include "apilib.h"
 
 int rand(void);		/*产生0～32767的随机数*/
 
diff --git a/27_day/walk.c b/27_day/walk.c
index 6b106b4..4772f8a 100644
--- a/27_day/walk.c
+++ b/27_day/walk.c
@@ -1,13 +1,4 @@
-int api_openwin(char *buf, int xsiz, int ysiz, int col_inv, char *title);
-void api_putstrwin(int win, int x, int y, int col, int len, char *str);
-void api_boxfilwin(int win, int x0, int y0, int x1, int y1, int col);
-void api_initmalloc(void);
-char *api_malloc(int size);
-void api_refreshwin(int win, int x0, int y0, int x1, int y1);
-void api_linewin(int win, int x0, int y0, int x1, int y1, int col);
-void api_closewin(int win);
-int api_getkey(int mode);
-void api_end(void);
+#include "apilib.h"
 
 void HariMain(void)
 {
diff --git a/27_day/winhelo.c b/27_day/winhelo.c
index 6d7fb0a..a56225a 100644
--- a/27_day/winhelo.c
+++ b/27_day/winhelo.c
@@ -1,5 +1,4 @@
-int api_openwin(char *buf, int xsiz, int ysiz, int col_inv, char *title);
-void api_end(void);
+#include "apilib.h"
 
 char buf[150 * 50];
 
diff --git a/27_day/winhelo2.c b/27_day/winhelo2.c
index f00b007..3cf30c6 100644
--- a/27_day/winhelo2.c
+++ b/27_day/winhelo2.c
@@ -1,7 +1,4 @@
-int api_openwin(char *buf, int xsiz, int ysiz, int col_inv, char *title);
-void api_putstrwin(int win, int x, int y, int col, int len, char *str);
-void api_boxfilwin(int win, int x0, int y0, int x1, int y1, int col);
-void api_end(void);
+#include "apilib.h"
 
 char buf[150 * 50];
 
diff --git a/27_day/winhelo3.c b/27_day/winhelo3.c
index 527ec01..3eafc35 100644
--- a/27_day/winhelo3.c
+++ b/27_day/winhelo3.c
@@ -1,9 +1,4 @@
-int api_openwin(char *buf, int xsiz, int ysiz, int col_inv, char *title);
-void api_putstrwin(int win, int x, int y, int col, int len, char *str);
-void api_boxfilwin(int win, int x0, int y0, int x1, int y1, int col);
-void api_initmalloc(void);
-char *api_malloc(int size);
-void api_end(void);
+#include "apilib.h"
 
 void HariMain(void)
 {
@@ -16,4 +11,4 @@ void HariMain(void)
 	api_boxfilwin(win,  8, 36, 141, 43, 6); /*浅蓝色*/
 	api_putstrwin(win, 28, 28, 0 , 12, "hello, world");/*黑色*/
 	api_end();
-}
\ No newline at end of file
+}