diff --git a/_docs/api.md b/_docs/api.md
index 3943d347..0aa05bfe 100644
--- a/_docs/api.md
+++ b/_docs/api.md
@@ -1695,6 +1695,13 @@ core.drawImage(name, image, x, y, w, h, x1, y1, w1, h1)
 http://www.w3school.com.cn/html5/canvas_drawimage.asp
 这里的image允许传一个图片，画布。也允许传递图片名，将从你导入的图片中获取图片内容。
 
+
+core.drawIcon(name, id, x, y, w, h)
+在一张画布上绘制一个图标。
+id为注册过的图标ID，也可以使用状态栏的图标ID，例如lv, hp, up, save, settings等。
+x和y为绘制的左上角坐标；w和h可选为绘制的宽高，如果不填或null则使用该图标的默认宽高。
+
+
 // ------ 具体的某个UI界面的绘制 ------ //
 core.closePanel()
 结束一切事件和UI绘制，关闭UI窗口，返回游戏。
diff --git a/libs/control.js b/libs/control.js
index 905be87f..4a9c8b84 100644
--- a/libs/control.js
+++ b/libs/control.js
@@ -164,6 +164,7 @@ control.prototype._animationFrame_selector = function (timestamp) {
     if (opacity > 0.95 || opacity < 0.55)
         core.animateFrame.selectorUp = !core.animateFrame.selectorUp;
     core.setOpacity("_selector", opacity);
+    core.setOpacity("_uievent_selector", opacity);
     core.animateFrame.selectorTime = timestamp;
 }
 
diff --git a/libs/events.js b/libs/events.js
index 67d409e8..a3481278 100644
--- a/libs/events.js
+++ b/libs/events.js
@@ -1621,7 +1621,7 @@ events.prototype._action_exit = function (data, x, y, prefix) {
 }
 
 events.prototype._action_previewUIEvent = function (data, x, y, prefix) {
-    this.insert(data.action);
+    this.insertAction(data.action);
     core.doAction();
 }
 
diff --git a/libs/ui.js b/libs/ui.js
index f06a9a87..0ce671c4 100644
--- a/libs/ui.js
+++ b/libs/ui.js
@@ -553,6 +553,12 @@ ui.prototype.drawWindowSelector = function(background, x, y, w, h) {
 }
 
 ui.prototype._uievent_drawSelector = function (data) {
+    if (data.x == null || data.y == null || data.width == null || data.height == null) {
+        if (main.mode != 'editor')
+            core.deleteCanvas('_uievent_selector');
+        return;
+    }
+
     var background = data.background || core.status.textAttribute.background;
     if (typeof background != 'string') return;
     var x = core.calValue(data.x), y = core.calValue(data.y), w = core.calValue(data.width), h = core.calValue(data.height);