diff --git a/src/main/java/com/tptj/tool/hg/fineui/swing/element/AbstractElement.java b/src/main/java/com/tptj/tool/hg/fineui/swing/element/AbstractElement.java
index 44e04ff..e0e15d7 100644
--- a/src/main/java/com/tptj/tool/hg/fineui/swing/element/AbstractElement.java
+++ b/src/main/java/com/tptj/tool/hg/fineui/swing/element/AbstractElement.java
@@ -8,6 +8,7 @@ import com.tptj.tool.hg.fineui.swing.FineUIEngine;
 import com.tptj.tool.hg.fineui.swing.element.layout.LayoutBuilder;
 import com.tptj.tool.hg.fineui.swing.element.layout.LayoutType;
 import com.tptj.tool.hg.fineui.swing.stable.ColorUtils;
+import org.nfunk.jep.function.Abs;
 
 import javax.swing.*;
 import java.awt.*;
@@ -22,7 +23,7 @@ import java.util.List;
 public abstract class AbstractElement<T extends JComponent> implements Element<T> {
 
     protected T component;
-    private JComponent wrapper;
+    protected JComponent wrapper;
     private V8Object ref;
     private String type;
     //记录当前的控件状态，用于驱动一些特殊事件
@@ -151,9 +152,14 @@ public abstract class AbstractElement<T extends JComponent> implements Element<T
 
     }
 
+    @Override
+    public void updateUI() {
+        component.updateUI();
+    }
+
     @Override
     public void destroy() {
-        component.removeAll();
+        component.getParent().removeAll();
         children.clear();
     }
 
@@ -185,6 +191,7 @@ public abstract class AbstractElement<T extends JComponent> implements Element<T
     @Override
     public void empty() {
         children.clear();
+        component.removeAll();
     }
 
     @Override
diff --git a/src/main/java/com/tptj/tool/hg/fineui/swing/element/ButtonElement.java b/src/main/java/com/tptj/tool/hg/fineui/swing/element/ButtonElement.java
index 4597ae0..2c1b82e 100644
--- a/src/main/java/com/tptj/tool/hg/fineui/swing/element/ButtonElement.java
+++ b/src/main/java/com/tptj/tool/hg/fineui/swing/element/ButtonElement.java
@@ -3,7 +3,6 @@ package com.tptj.tool.hg.fineui.swing.element;
 import com.fr.general.GeneralUtils;
 
 import javax.swing.*;
-import java.awt.*;
 import java.awt.event.ActionEvent;
 import java.awt.event.ActionListener;
 
diff --git a/src/main/java/com/tptj/tool/hg/fineui/swing/element/Element.java b/src/main/java/com/tptj/tool/hg/fineui/swing/element/Element.java
index 598188f..9ffdb5c 100644
--- a/src/main/java/com/tptj/tool/hg/fineui/swing/element/Element.java
+++ b/src/main/java/com/tptj/tool/hg/fineui/swing/element/Element.java
@@ -37,6 +37,7 @@ public interface Element<T extends JComponent> {
     void css(String name,String val);
     void cssMap(V8Object map);
     void unbind();
+    void updateUI();
     void destroy();
 
     void setData(String name,Object data);
diff --git a/src/main/java/com/tptj/tool/hg/fineui/swing/element/ListElement.java b/src/main/java/com/tptj/tool/hg/fineui/swing/element/ListElement.java
index d3bb7c0..642b44c 100644
--- a/src/main/java/com/tptj/tool/hg/fineui/swing/element/ListElement.java
+++ b/src/main/java/com/tptj/tool/hg/fineui/swing/element/ListElement.java
@@ -15,6 +15,7 @@ public class ListElement extends AbstractSingleElement<JList> {
 
     public ListElement() {
         super(new JList());
+        this.wrapper = new JScrollPane(component);
     }
 
     @Override
diff --git a/src/main/resources/com/fr/fineui/core/wrapper/layout.js b/src/main/resources/com/fr/fineui/core/wrapper/layout.js
index 7e43688..bc48cd3 100644
--- a/src/main/resources/com/fr/fineui/core/wrapper/layout.js
+++ b/src/main/resources/com/fr/fineui/core/wrapper/layout.js
@@ -83,7 +83,6 @@ BI.Layout = BI.inherit(BI.Widget, {
     },
 
     appendFragment: function (frag) {
-        console.debug("appendFragment:frag",frag,this.element);
         this.element.append(frag);
     },
 
@@ -94,7 +93,7 @@ BI.Layout = BI.inherit(BI.Widget, {
         for (var key in this._children) {
             var child = this._children[key];
             if (child.element !== self.element) {
-                frag.appendChild(child.element);//[0] hugh java没法实现这种非数组对象又能[]的
+                frag.appendChild(child.element[0]);
                 hasChild = true;
             }
         }
@@ -241,7 +240,7 @@ BI.Layout = BI.inherit(BI.Widget, {
         var w = this._newElement(newIndex, item);
         // 需要有个地方临时存一下新建的组件，否则如果直接使用newIndex的话，newIndex位置的元素可能会被用到
         this._children[this._getChildName(newIndex) + "-temp"] = w;
-        var nextSibling = del.element[0].nextSibling;
+        var nextSibling = del.element.next();
         if (nextSibling) {
             BI.Widget._renderEngine.createElement(nextSibling).before(w.element);
         } else {
@@ -421,6 +420,7 @@ BI.Layout = BI.inherit(BI.Widget, {
         var shouldUpdate = this.shouldUpdateItem(oldIndex, vnode);
         var child = this._children[this._getChildName(oldIndex)];
         if (shouldUpdate) {
+            this._children[this._getChildName(newIndex) + "-temp"] = child;
             return child._update(this._getOptions(vnode), shouldUpdate);
         }
         if (shouldUpdate === null && !this._compare(oldVnode, vnode)) {
diff --git a/src/main/resources/com/tptj/tool/hg/fineui/swing/base/single/group.button.js b/src/main/resources/com/tptj/tool/hg/fineui/swing/base/single/group.button.js
index e69d735..ba8ba8a 100644
--- a/src/main/resources/com/tptj/tool/hg/fineui/swing/base/single/group.button.js
+++ b/src/main/resources/com/tptj/tool/hg/fineui/swing/base/single/group.button.js
@@ -22,24 +22,47 @@
     var Widget = BI.inherit(BI.Widget, {
         render: function () {
             var self = this, o = this.options;
+            var layout = o.layouts[0];
+            if (layout.scrollable) {
+                this.element.css("overflow", "auto");
+            }
+            if (layout.scrollx) {
+                this.element.css("overflow-x", "auto");
+            }
+            if (layout.scrolly) {
+                this.element.css("overflow-y", "auto");
+            }
             this.populate(o.items);
         },
 
+        _mountChildren: function () {
+            var self = this, o = this.options;
+            for (var key in this._children) {
+                var child = this._children[key];
+                if (child.element !== self.element) {
+                    this.element.append(child.element);
+                }
+            }
+            BI.Services.getService("swing.layout.service").layout(this.element, o.layouts[0]);
+        },
+
         populate: function (items) {
             var self = this, o = this.options;
-            this.element.populate(BI.map(items, function (i, item) {
-                return item.text;
-            }))
+            this.element.empty();
+            this._children = [];
+            BI.each(items, function (i, item) {
+                self._children.push(BI.createWidget(item));
+            });
+            this._mountChildren();
+            this.element.updateUI();
         }
     });
     BI.shortcut("swing.button_group", Widget);
 
-    var Button = Java.type("com.tptj.tool.hg.fineui.swing.element.ListElement");
-
+    // 这里仅实现通过button_group来动态创建组件并能刷新的功能
     BI.config("bi.button_group", function (config) {
-        return BI.extend({}, config, {
-            type: "swing.button_group",
-            swingElement: Button
+        return BI.extend({}, config,{
+            type: "swing.button_group"
         })
     });
 }());
diff --git a/src/main/resources/com/tptj/tool/hg/fineui/swing/core/element.js b/src/main/resources/com/tptj/tool/hg/fineui/swing/core/element.js
index aca146d..775b3f6 100644
--- a/src/main/resources/com/tptj/tool/hg/fineui/swing/core/element.js
+++ b/src/main/resources/com/tptj/tool/hg/fineui/swing/core/element.js
@@ -7,6 +7,9 @@
 
     var Element = Java.type("com.tptj.tool.hg.fineui.swing.element.JPanelElement");
     $ = function (widget) {
+        if (widget instanceof SwingElement) {
+            return widget;
+        }
         return new SwingElement(widget);
     };
 
@@ -46,6 +49,7 @@
         },
         // 生命周期钩子
         mounted: function () {
+            this._isMounted = true;
             this.java_el.mounted();
         },
         ref: function (obj) {
@@ -75,6 +79,11 @@
             this.java_el.unbind();
             return this;
         },
+        updateUI: function () {
+            if (this._isMounted) {
+                this.java_el.updateUI();
+            }
+        },
         destroy: function () {
             this.java_el.destroy();
         },
@@ -107,7 +116,6 @@
                 }
             } else {
                 this._children.push(element);
-                debugger;
                 this.java_el.append(element.java_el);
                 element._parent = this;
             }
diff --git a/src/main/resources/com/tptj/tool/hg/fineui/swing/core/wrapper/layout.horizontal.js b/src/main/resources/com/tptj/tool/hg/fineui/swing/core/wrapper/layout.horizontal.js
index a1fe165..1a998ff 100644
--- a/src/main/resources/com/tptj/tool/hg/fineui/swing/core/wrapper/layout.horizontal.js
+++ b/src/main/resources/com/tptj/tool/hg/fineui/swing/core/wrapper/layout.horizontal.js
@@ -8,7 +8,7 @@
                     this.element.append(child.element);
                 }
             }
-            BI.Services.getService("swing.layout.service").layout(this);
+            BI.Services.getService("swing.layout.service").layout(this.element, o);
         }
     });
     BI.shortcut("swing.horizontal", BI.SwingHorizontalLayout);
diff --git a/src/main/resources/com/tptj/tool/hg/fineui/swing/core/wrapper/layout.service.js b/src/main/resources/com/tptj/tool/hg/fineui/swing/core/wrapper/layout.service.js
index ab1cb88..66c8215 100644
--- a/src/main/resources/com/tptj/tool/hg/fineui/swing/core/wrapper/layout.service.js
+++ b/src/main/resources/com/tptj/tool/hg/fineui/swing/core/wrapper/layout.service.js
@@ -1,8 +1,6 @@
 !(function () {
     var Service = BI.inherit(BI.OB, {
-        layout: function (widget) {
-            var element = widget.element;
-            var o = widget.options;
+        layout: function (element, o) {
             if (o.verticalAlign === BI.VerticalAlign.Middle) {
                 if (o.horizontalAlign === BI.HorizontalAlign.Center) {
                     element.layout("center_adapt");
@@ -15,11 +13,11 @@
                 element.layout("horizontal_adapt");
                 return;
             }
-            if (o.type === "swing.vertical") {
+            if (o.type === "swing.vertical" || o.type === "bi.vertical") {
                 element.layout("vertical");
                 return;
             }
-            if (o.type === "swing.horizontal") {
+            if (o.type === "swing.horizontal" || o.type === "bi.horizontal") {
                 element.layout("horizontal");
                 return;
             }
diff --git a/src/main/resources/com/tptj/tool/hg/fineui/swing/core/wrapper/layout.vertical.js b/src/main/resources/com/tptj/tool/hg/fineui/swing/core/wrapper/layout.vertical.js
index fcddc9e..f96e94b 100644
--- a/src/main/resources/com/tptj/tool/hg/fineui/swing/core/wrapper/layout.vertical.js
+++ b/src/main/resources/com/tptj/tool/hg/fineui/swing/core/wrapper/layout.vertical.js
@@ -8,7 +8,7 @@
                     this.element.append(child.element);
                 }
             }
-            BI.Services.getService("swing.layout.service").layout(this);
+            BI.Services.getService("swing.layout.service").layout(this.element, o);
         }
     });
     BI.shortcut("swing.vertical", Widget);
diff --git a/src/main/resources/com/tptj/tool/hg/fineui/swing/demo/group.button.js b/src/main/resources/com/tptj/tool/hg/fineui/swing/demo/group.button.js
index 9e0cc79..5937b39 100644
--- a/src/main/resources/com/tptj/tool/hg/fineui/swing/demo/group.button.js
+++ b/src/main/resources/com/tptj/tool/hg/fineui/swing/demo/group.button.js
@@ -3,8 +3,10 @@
         state: function () {
             return {
                 items: [{
+                    type: "bi.label",
                     text: "列表项1"
                 }, {
+                    type: "bi.label",
                     text: "列表项2"
                 }]
             }
@@ -12,6 +14,7 @@
         actions: {
             addItem: function () {
                 this.model.items.push({
+                    type: "bi.label",
                     text: "列表项" + (this.model.items.length + 1)
                 })
             }
@@ -57,7 +60,6 @@
                         hgap: 30,
                         scrollable: true
                     }],
-                    chooseType: BI.Selection.None,
                     css: {
                         background: "rgb(200,200,200)"
                     },