diff --git a/demo/js/core/abstract/demo.button_group.js b/demo/js/core/abstract/demo.button_group.js
index 21652ad58..059b97847 100644
--- a/demo/js/core/abstract/demo.button_group.js
+++ b/demo/js/core/abstract/demo.button_group.js
@@ -7,54 +7,63 @@ Demo.Func = BI.inherit(BI.Widget, {
         return {
             type: "bi.vertical",
             items: [{
-                type: "bi.button_group",
-                ref: function (_ref) {
-                    ref = _ref;
+                type: "bi.a",
+                el: {
+                    type: "bi.label",
+                    text: "这就是一个百度超链"
                 },
-                chooseType: BI.ButtonGroup.CHOOSE_TYPE_NONE,
-                layouts: [{
-                    type: "bi.vertical",
-                    items: [{
-                        type: "bi.vtape",
-                        height: 200
-                    }]
-                }],
-                items: [{
-                    el: {
-                        type: "bi.label",
-                        text: "button_group是一类具有相同属性或相似属性的抽象, 本案例实现的是布局的嵌套(vertical布局下内嵌center_adapt布局)"
-                    },
-                    height: 150
-                }, {
-                    el: {
-                        type: "bi.button",
-                        text: "1"
-                    }
-                }]
-            }, {
-                type: "bi.button",
-                text: "populate",
-                handler: function () {
-                    ref.populate([{
-                        el: {
-                            type: "bi.label",
-                            text: "1"
-                        },
-                        height: 50
-                    }, {
-                        el: {
-                            type: "bi.button",
-                            text: "2"
-                        },
-                        height: 50
-                    }, {
-                        el: {
-                            type: "bi.label",
-                            text: "3"
-                        }
-                    }]);
-                }
-            }]
+                href: "https://www.baidu.com"
+            }],
+            // type: "bi.vertical",
+            // items: [{
+            //     type: "bi.button_group",
+            //     ref: function (_ref) {
+            //         ref = _ref;
+            //     },
+            //     chooseType: BI.ButtonGroup.CHOOSE_TYPE_NONE,
+            //     layouts: [{
+            //         type: "bi.vertical",
+            //         items: [{
+            //             type: "bi.vtape",
+            //             height: 200
+            //         }]
+            //     }],
+            //     items: [{
+            //         el: {
+            //             type: "bi.label",
+            //             text: "button_group是一类具有相同属性或相似属性的抽象, 本案例实现的是布局的嵌套(vertical布局下内嵌center_adapt布局)"
+            //         },
+            //         height: 150
+            //     }, {
+            //         el: {
+            //             type: "bi.button",
+            //             text: "1"
+            //         }
+            //     }]
+            // }, {
+            //     type: "bi.button",
+            //     text: "populate",
+            //     handler: function () {
+            //         ref.populate([{
+            //             el: {
+            //                 type: "bi.label",
+            //                 text: "1"
+            //             },
+            //             height: 50
+            //         }, {
+            //             el: {
+            //                 type: "bi.button",
+            //                 text: "2"
+            //             },
+            //             height: 50
+            //         }, {
+            //             el: {
+            //                 type: "bi.label",
+            //                 text: "3"
+            //             }
+            //         }]);
+            //     }
+            // }]
 
         };
     }
diff --git a/src/base/single/a/a.js b/src/base/single/a/a.js
index 9159f0a46..a11e0f91b 100644
--- a/src/base/single/a/a.js
+++ b/src/base/single/a/a.js
@@ -6,29 +6,36 @@
  * @extends BI.Text
  * @abstract
  */
-BI.A = BI.inherit(BI.Text, {
-    _defaultConfig: function () {
-        var conf = BI.A.superclass._defaultConfig.apply(this, arguments);
+import { shortcut } from "../../../core/decorator";
+@shortcut()
+export class A extends BI.Text {
+  static xtype = "bi.a";
+  constructor() {
+    super();
+  }
+  //  TODO:这里如何修改有问题
+  _defaultConfig() {
+    var conf = super._defaultConfig(arguments);
+    return BI.extend(conf, {
+        baseCls: (conf.baseCls || "") + " bi-a display-block",
+        href: "",
+        target: "_blank",
+        el: null,
+        tagName: "a",
+    });
+  }
 
-        return BI.extend(conf, {
-            baseCls: (conf.baseCls || "") + " bi-a display-block",
-            href: "",
-            target: "_blank",
-            el: null,
-            tagName: "a",
+  render() {
+    var o = this.options;
+    super.render();
+    this.element.attr({ href: o.href, target: o.target });
+    if (o.el) {
+        BI.createWidget(o.el, {
+            element: this,
         });
-    },
+    }
+  }
 
-    render: function () {
-        var o = this.options;
-        BI.A.superclass.render.apply(this, arguments);
-        this.element.attr({ href: o.href, target: o.target });
-        if (o.el) {
-            BI.createWidget(o.el, {
-                element: this,
-            });
-        }
-    },
-});
+}
 
-BI.shortcut("bi.a", BI.A);
+BI.extend(BI, { A });