diff --git a/26_day/bootpack.c b/26_day/bootpack.c
index 8d16a9e..a2a4c98 100644
--- a/26_day/bootpack.c
+++ b/26_day/bootpack.c
@@ -268,8 +268,13 @@ void HariMain(void)
 												task->tss.eax = (int) &(task->tss.esp0);
 												task->tss.eip = (int) asm_end_app;
 												io_sti();
+											} else { /*命令行窗口*/
+												task = sht->task;
+												io_cli();
+												fifo32_put(&task->fifo, 4);
+												io_sti();
 											}
-										}
+										} 
 										break;
 									}
 								}
diff --git a/26_day/console.c b/26_day/console.c
index d219b85..2da67d9 100644
--- a/26_day/console.c
+++ b/26_day/console.c
@@ -54,6 +54,9 @@ void console_task(struct SHEET *sheet, int memtotal)
 				boxfill8(sheet->buf, sheet->bxsize, COL8_000000, cons.cur_x, cons.cur_y, cons.cur_x + 7, cons.cur_y + 15);
 				cons.cur_c = -1;
 			}
+			if (i == 4) { /*点击命令行窗口的“×”按钮*/ 
+				cmd_exit(&cons, fat);
+			}
 			if (256 <= i && i <= 511) { /*键盘数据（通过任务A）*/
 				if (i == 8 + 256) {
 					/*退格键*/