diff --git a/libs/events.js b/libs/events.js
index c4846bf8..bfd97a79 100644
--- a/libs/events.js
+++ b/libs/events.js
@@ -1153,7 +1153,7 @@ events.prototype.keyDownSwitchs = function (keycode) {
     }
     if (keycode==40) {
         core.status.event.selection++;
-        if (core.status.event.selection>=choices.length) core.status.event.selection=choices.length;
+        if (core.status.event.selection>=choices.length) core.status.event.selection=choices.length-1;
         core.ui.drawChoices(core.status.event.ui.text, core.status.event.ui.choices);
     }
 }
@@ -1230,7 +1230,7 @@ events.prototype.keyDownSettings = function (keycode) {
     }
     if (keycode==40) {
         core.status.event.selection++;
-        if (core.status.event.selection>=choices.length) core.status.event.selection=choices.length;
+        if (core.status.event.selection>=choices.length) core.status.event.selection=choices.length-1;
         core.ui.drawChoices(core.status.event.ui.text, core.status.event.ui.choices);
     }
 }
@@ -1295,7 +1295,7 @@ events.prototype.keyDownSyncSave = function (keycode) {
     }
     if (keycode==40) {
         core.status.event.selection++;
-        if (core.status.event.selection>=choices.length) core.status.event.selection=choices.length;
+        if (core.status.event.selection>=choices.length) core.status.event.selection=choices.length-1;
         core.ui.drawChoices(core.status.event.ui.text, core.status.event.ui.choices);
     }
 }
diff --git a/快捷键说明.txt b/快捷键说明.txt
index 5d1d2c4d..6af4ef36 100644
--- a/快捷键说明.txt
+++ b/快捷键说明.txt
@@ -2,6 +2,7 @@
 
 === 全局 ===
 [↑][↓][←][→] 移动勇士
+[CTRL] 跳过对话
 [X] 打开/关闭怪物手册
 [G] 打开/关闭楼层传送器
 [S] 打开/关闭存档页面