diff --git a/18_day/Makefile b/18_day/Makefile
index f05f580..6e5650f 100644
--- a/18_day/Makefile
+++ b/18_day/Makefile
@@ -52,6 +52,8 @@ haribote.img : ipl10.bin haribote.sys Makefile
 	$(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:@: \
 		imgout:haribote.img
 
 # 其他指令
diff --git a/18_day/bootpack.c b/18_day/bootpack.c
index 1bff3c0..6d54433 100644
--- a/18_day/bootpack.c
+++ b/18_day/bootpack.c
@@ -4,6 +4,13 @@
 #include <stdio.h>
 #include <string.h>
 
+struct FILEINFO {
+	unsigned char name[8], ext[3], type;
+	char reserve[10];
+	unsigned short time, date, clustno;
+	unsigned int size;
+};
+
 void make_window8(unsigned char *buf, int xsize, int ysize, char *title, char act);
 void putfonts8_asc_sht(struct SHEET *sht, int x, int y, int c, int b, char *s, int l);
 void make_textbox8(struct SHEET *sht, int x0, int y0, int sx, int sy, int c);
@@ -380,6 +387,7 @@ void console_task(struct SHEET *sheet, unsigned int memtotal)
 	char s[30], cmdline[30];
 	struct MEMMAN *memman = (struct MEMMAN *) MEMMAN_ADDR;
 	int x, y;
+	struct FILEINFO *finfo = (struct FILEINFO *) (ADR_DISKIMG + 0x002600);
 
 	fifo32_init(&task->fifo, 128, fifobuf, task);
 	timer = timer_alloc();
@@ -451,7 +459,28 @@ void console_task(struct SHEET *sheet, unsigned int memtotal)
 						}
 						sheet_refresh(sheet, 8, 28, 8 + 240, 28 + 128);
 						cursor_y = 28;
-					}	else if (cmdline[0] != 0) {
+					} else if (strcmp(cmdline, "dir") == 0 || strcmp(cmdline, "ls") == 0) {
+					/* dir命令 */
+					for (x = 0; x < 224; x++) {
+						if (finfo[x].name[0] == 0x00) {
+							break;
+						}
+						if (finfo[x].name[0] != 0xe5) {
+							if ((finfo[x].type & 0x18) == 0) {
+								sprintf(s, "filename.ext %7d", finfo[x].size);
+								for (y = 0; y < 8; y++) {
+									s[y] = finfo[x].name[y];
+								}
+								s[ 9] = finfo[x].ext[0];
+								s[10] = finfo[x].ext[1];
+								s[11] = finfo[x].ext[2];
+								putfonts8_asc_sht(sheet, 8, cursor_y, COL8_FFFFFF, COL8_000000, s, 30);
+								cursor_y = cons_newline(cursor_y, sheet);
+							}
+						}
+					}
+					cursor_y = cons_newline(cursor_y, sheet);
+				}	else if (cmdline[0] != 0) {
 						/*不是命令，也不是空行 */
 						putfonts8_asc_sht(sheet, 8, cursor_y, COL8_FFFFFF, COL8_000000, "Bad command.", 12);
 						cursor_y = cons_newline(cursor_y, sheet);
diff --git a/18_day/bootpack.h b/18_day/bootpack.h
index 21188cb..1b58836 100644
--- a/18_day/bootpack.h
+++ b/18_day/bootpack.h
@@ -8,6 +8,7 @@ struct BOOTINFO { /* 0x0ff0-0x0fff */
 	char *vram;
 };
 #define ADR_BOOTINFO	0x00000ff0
+#define ADR_DISKIMG		0x00100000
 
 /* naskfunc.nas */
 void io_hlt(void);