diff --git a/libs/actions.js b/libs/actions.js
index 4e80a100..ae789bb2 100644
--- a/libs/actions.js
+++ b/libs/actions.js
@@ -51,6 +51,12 @@ actions.prototype.onkeyUp = function(e) {
             core.bookReplay();
         else if (e.keyCode==33||e.keyCode==34)
             core.viewMapReplay();
+        else if ((e.keyCode>=49 && e.keyCode<=51) || e.keyCode==54) // 1,2,3,6
+            core.setReplaySpeed(e.keyCode-48);
+        else if (e.keyCode==52)
+            core.setReplaySpeed(3.9);
+        else if (e.keyCode==53)
+            core.setReplaySpeed(5.1);
         return;
     }
 
@@ -179,7 +185,7 @@ actions.prototype.keyDown = function(keyCode) {
 }
 
 ////// 根据放开键的code来执行一系列操作 //////
-actions.prototype.keyUp = function(keyCode, fromReplay) {
+actions.prototype.keyUp = function(keyCode) {
     if (core.isset(core.status.replay)&&core.status.replay.replaying
         &&core.status.event.id!='save'&&(core.status.event.id||"").indexOf('book')!=0&&core.status.event.id!='viewMaps') return;
 
@@ -677,10 +683,16 @@ actions.prototype.onclick = function (x, y, stepPostfix) {
 
 ////// 滑动鼠标滚轮时的操作 //////
 actions.prototype.onmousewheel = function (direct) {
-    if (core.isset(core.status.replay)&&core.status.replay.replaying
-        &&core.status.event.id!='save'&&(core.status.event.id||"").indexOf('book')!=0&&core.status.event.id!='viewMaps') return;
     // 向下滚动是 -1 ,向上是 1
 
+    if (core.isset(core.status.replay)&&core.status.replay.replaying
+        &&core.status.event.id!='save'&&(core.status.event.id||"").indexOf('book')!=0&&core.status.event.id!='viewMaps') {
+        // 滚轮控制速度
+        if (direct==1) core.speedUpReplay();
+        if (direct==-1) core.speedDownReplay();
+        return;
+    }
+
     // 楼层飞行器
     if (core.status.lockControl && core.status.event.id == 'fly') {
         if (direct==1) core.ui.drawFly(core.status.event.data+1);
diff --git a/libs/control.js b/libs/control.js
index 2da58653..88053e4f 100644
--- a/libs/control.js
+++ b/libs/control.js
@@ -1698,6 +1698,14 @@ control.prototype.speedDownReplay = function () {
     core.drawTip("x"+core.status.replay.speed+"倍");
 }
 
+////// 设置播放速度 //////
+control.prototype.setReplaySpeed = function (speed) {
+    if (core.status.event.id=='save' || (core.status.event.id||"").indexOf('book')==0 || core.status.event.id=='viewMaps') return;
+    if (!core.status.replay.replaying) return;
+    core.status.replay.speed = speed;
+    core.drawTip("x"+core.status.replay.speed+"倍");
+}
+
 ////// 停止播放 //////
 control.prototype.stopReplay = function () {
     if (core.status.event.id=='save' || (core.status.event.id||"").indexOf('book')==0 || core.status.event.id=='viewMaps') return;
diff --git a/libs/core.js b/libs/core.js
index b155f6e5..d84481c8 100644
--- a/libs/core.js
+++ b/libs/core.js
@@ -1065,6 +1065,11 @@ core.prototype.speedDownReplay = function () {
     core.control.speedDownReplay();
 }
 
+////// 设置播放速度 //////
+core.prototype.setReplaySpeed = function (speed) {
+    core.control.setReplaySpeed(speed);
+}
+
 ////// 回退播放 //////
 core.prototype.rewindReplay = function () {
     core.control.rewindReplay();
diff --git a/更新说明.txt b/更新说明.txt
index d5daaf2b..cc1080f5 100644
--- a/更新说明.txt
+++ b/更新说明.txt
@@ -1,12 +1,14 @@
 HTML5魔塔样板V2.4.3
 
-增加光环属性
+并行事件处理
+增加光环属性，还可以制作区域光环效果
 将部分代码移动到脚本编辑中
 （怪物属性获取、楼层传送、数据统计等）
 事件改变天气或画面色调，读档后仍有效
 Autotile注册优化
 状态栏可以显示角色名字
 双击道具栏图标直接进入装备栏
+播放录像时1-6快速设置播放速度；滚轮加减速
 修复大地图的夹击Bug
 iOS设备默认关闭新版存档
 部分其他细节优化