diff --git a/13_day/bootpack.c b/13_day/bootpack.c
index 986040b..837bffb 100644
--- a/13_day/bootpack.c
+++ b/13_day/bootpack.c
@@ -29,18 +29,16 @@ void HariMain(void)
 	io_out8(PIC0_IMR, 0xf8); /* PIT和PIC1和键盘设置为许可(11111000) */
 	io_out8(PIC1_IMR, 0xef); /* 开放鼠标中断(11101111) */
 
-	fifo8_init(&timerfifo, 8, timerbuf);
-	timer = timer_alloc();
-	timer_init(timer, &timerfifo, 1);
-	timer_settime(timer, 1000);
-	fifo8_init(&timerfifo2, 8, timerbuf2);
-	timer2 = timer_alloc();
-	timer_init(timer2, &timerfifo2, 1);
-	timer_settime(timer2, 300);
-	fifo8_init(&timerfifo3, 8, timerbuf3);
-	timer3 = timer_alloc();
-	timer_init(timer3, &timerfifo3, 1);
-	timer_settime(timer3, 50);
+  fifo8_init(&timerfifo, 8, timerbuf);
+  timer = timer_alloc();
+  timer_init(timer, &timerfifo, 10);
+  timer_settime(timer, 1000);
+  timer2 = timer_alloc();
+  timer_init(timer2, &timerfifo, 3);
+  timer_settime(timer2, 300);
+  timer3 = timer_alloc();
+  timer_init(timer3, &timerfifo, 1);
+  timer_settime(timer3, 50);
 
 	init_keyboard();
 	enable_mouse(&mdec);
@@ -81,8 +79,7 @@ void HariMain(void)
 		putfonts8_asc_sht(sht_win, 40, 28, COL8_000000, COL8_C6C6C6, s, 10);
 
 		io_cli();
-		if (fifo8_status(&keyfifo) + fifo8_status(&mousefifo) + fifo8_status(&timerfifo)
-				+ fifo8_status(&timerfifo2) + fifo8_status(&timerfifo3) == 0) {
+		if (fifo8_status(&keyfifo) + fifo8_status(&mousefifo) + fifo8_status(&timerfifo) == 0) {
 			io_sti();
 		} else {
 			if (fifo8_status(&keyfifo) != 0) {
@@ -126,25 +123,24 @@ void HariMain(void)
 					sheet_slide(sht_mouse, mx, my);/* 包含sheet_refresh含sheet_refresh */
 				}
 			} else if (fifo8_status(&timerfifo) != 0) {
-				i = fifo8_get(&timerfifo); /* 首先读入（为了设定起始点） */
+				i = fifo8_get(&timerfifo); /*超时的是哪个呢？ */
 				io_sti();
-				putfonts8_asc_sht(sht_back, 0, 64, COL8_FFFFFF, COL8_008484, "10[sec]", 7);
-			} else if (fifo8_status(&timerfifo2) != 0) {
-				i = fifo8_get(&timerfifo2); /* 首先读入（为了设定起始点） */
-				io_sti();
-				putfonts8_asc_sht(sht_back, 0, 80, COL8_FFFFFF, COL8_008484, "3[sec]", 6);
-			} else if (fifo8_status(&timerfifo3) != 0) {
-				i = fifo8_get(&timerfifo3);
-				io_sti();
-				if (i != 0) {
-					timer_init(timer3, &timerfifo3, 0); /* 然后设置0 */
-					boxfill8(buf_back, binfo->scrnx, COL8_FFFFFF, 8, 96, 15, 111);
+				if (i == 10) {
+					putfonts8_asc_sht(sht_back, 0, 64, COL8_FFFFFF, COL8_008484, "10[sec]", 7);
+				} else if (i == 3) {
+					putfonts8_asc_sht(sht_back, 0, 80, COL8_FFFFFF, COL8_008484, "3[sec]", 6);
 				} else {
-					timer_init(timer3, &timerfifo3, 1); /* 然后设置1 */
-					boxfill8(buf_back, binfo->scrnx, COL8_008484, 8, 96, 15, 111);
+					/* 0还是1 */
+					if (i != 0) {
+						timer_init(timer3, &timerfifo, 0); /*下面是设定为0 */
+						boxfill8(buf_back, binfo->scrnx, COL8_FFFFFF, 8, 96, 15, 111);
+					} else {
+						timer_init(timer3, &timerfifo, 1); /*下面是设定为1*/
+						boxfill8(buf_back, binfo->scrnx, COL8_008484, 8, 96, 15, 111);
+					}
+					timer_settime(timer3, 50);
+					sheet_refresh(sht_back, 8, 96, 16, 112);
 				}
-				timer_settime(timer3, 50);
-				sheet_refresh(sht_back, 8, 96, 16, 112);
 			}
 		}
 	}