diff --git a/17_day/bootpack.c b/17_day/bootpack.c
index cb34fbd..36c7600 100644
--- a/17_day/bootpack.c
+++ b/17_day/bootpack.c
@@ -20,19 +20,31 @@ void HariMain(void)
 	struct MOUSE_DEC mdec;
 	struct MEMMAN *memman = (struct MEMMAN *) MEMMAN_ADDR;
 	struct SHTCTL *shtctl;
-	static char keytable[0x54] = {
-		0, 0, '1', '2', '3', '4', '5', '6', '7', '8', '9', '0', '-', '^', 0, 0,
-		'Q', 'W', 'E', 'R', 'T', 'Y', 'U', 'I', 'O', 'P', '@', '[', 0, 0, 'A', 'S',
-		'D', 'F', 'G', 'H', 'J', 'K', 'L', ';', ':', 0, 0, ']', 'Z', 'X', 'C', 'V',
-		'B', 'N', 'M', ',', '.', '/', 0, '*', 0, ' ', 0, 0, 0, 0, 0, 0,
-		0, 0, 0, 0, 0, 0, 0, '7', '8', '9', '-', '4', '5', '6', '+', '1',
-		'2', '3', '0', '.'
-	};
 	unsigned char *buf_back, buf_mouse[256], *buf_win, *buf_cons;
 	struct SHEET *sht_back, *sht_mouse, *sht_win, *sht_cons;
 	struct TASK *task_a, *task_cons;
 	struct TIMER *timer;
-	int key_to = 0;
+	static char keytable0[0x80] = {
+		0,   0,   '1', '2', '3', '4', '5', '6', '7', '8', '9', '0', '-', '^', 0,   0,
+		'Q', 'W', 'E', 'R', 'T', 'Y', 'U', 'I', 'O', 'P', '@', '[', 0,   0,   'A', 'S',
+		'D', 'F', 'G', 'H', 'J', 'K', 'L', ';', ':', 0,   0,   ']', 'Z', 'X', 'C', 'V',
+		'B', 'N', 'M', ',', '.', '/', 0,   '*', 0,   ' ', 0,   0,   0,   0,   0,   0,
+		0,   0,   0,   0,   0,   0,   0,   '7', '8', '9', '-', '4', '5', '6', '+', '1',
+		'2', '3', '0', '.', 0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+		0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+		0,   0,   0,   0x5c, 0,  0,   0,   0,   0,   0,   0,   0,   0,   0x5c, 0,  0
+	};
+	static char keytable1[0x80] = {
+		0,   0,   '!', 0x22, '#', '$', '%', '&', 0x27, '(', ')', '~', '=', '~', 0,   0,
+		'Q', 'W', 'E', 'R', 'T', 'Y', 'U', 'I', 'O', 'P', '`', '{', 0,   0,   'A', 'S',
+		'D', 'F', 'G', 'H', 'J', 'K', 'L', '+', '*', 0,   0,   '}', 'Z', 'X', 'C', 'V',
+		'B', 'N', 'M', '<', '>', '?', 0,   '*', 0,   ' ', 0,   0,   0,   0,   0,   0,
+		0,   0,   0,   0,   0,   0,   0,   '7', '8', '9', '-', '4', '5', '6', '+', '1',
+		'2', '3', '0', '.', 0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+		0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+		0,   0,   0,   '_', 0,   0,   0,   0,   0,   0,   0,   0,   0,   '|', 0,   0
+	};
+	int key_to = 0, key_shift = 0;
 
 	init_gdtidt();
 	init_pic();
@@ -123,17 +135,25 @@ void HariMain(void)
 			if (256 <= i && i <= 511) { /* 键盘数据*/
 				sprintf(s, "%02X", i - 256);
 				putfonts8_asc_sht(sht_back, 0, 16, COL8_FFFFFF, COL8_008484, s, 2);
-				if (i < 0x54 + 256 && keytable[i - 256] != 0) { /*一般字符*/
+				if (i < 0x80 + 256) { /*将按键编码转换为字符编码*/
+					if (key_shift == 0) {
+						s[0] = keytable0[i - 256];
+					} else {
+						s[0] = keytable1[i - 256];
+					}
+				} else {
+					s[0] = 0;
+				}
+				if (s[0] != 0) { /*一般字符*/
 					if (key_to == 0) { /*发送给任务A */
 						if (cursor_x < 128) {
 							/*显示一个字符之后将光标后移一位*/
-							s[0] = keytable[i - 256];
 							s[1] = 0;
 							putfonts8_asc_sht(sht_win, cursor_x, 28, COL8_000000, COL8_FFFFFF, s, 1);
 							cursor_x += 8;
-						} 
+						}
 					} else { /*发送给命令行窗口*/
-						fifo32_put(&task_cons->fifo, keytable[i - 256] + 256);
+						fifo32_put(&task_cons->fifo, s[0] + 256);
 					}
 				}
 				if (i == 256 + 0x0e && cursor_x > 8) { /* 退格键 */
@@ -160,6 +180,18 @@ void HariMain(void)
 					sheet_refresh(sht_win, 0, 0, sht_win->bxsize, 21);
 					sheet_refresh(sht_cons, 0, 0, sht_cons->bxsize, 21);
 				}
+				if (i == 256 + 0x2a) { /*左Shift ON */
+					key_shift |= 1;
+				}
+				if (i == 256 + 0x36) { /*右Shift ON */
+					key_shift |= 2;
+				}
+				if (i == 256 + 0xaa) { /*左Shift OFF */
+					key_shift &= ~1;
+				}
+				if (i == 256 + 0xb6) { /*右Shift OFF */
+					key_shift &= ~2;
+				}
 				/*重新显示光标*/
 				boxfill8(sht_win->buf, sht_win->bxsize, cursor_c, cursor_x, 28, cursor_x + 7, 43);
 				sheet_refresh(sht_win, cursor_x, 28, cursor_x + 8, 44);