diff --git a/.gitignore b/.gitignore
index 448b3bd7d..015e42057 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,3 +1,5 @@
 node_modules/
 /.idea/
-dist
\ No newline at end of file
+dist
+demo.js
+demo.css
\ No newline at end of file
diff --git a/demo.css b/demo.css
deleted file mode 100644
index 8c620b3db..000000000
--- a/demo.css
+++ /dev/null
@@ -1,9 +0,0 @@
-.demo-main .bg1 {
-  background-color: #178cdf;
-}
-.demo-north {
-  background-color: #3c8dbc;
-}
-.demo-west {
-  background-color: #222d32;
-}
diff --git a/demo.js b/demo.js
deleted file mode 100644
index 835c14521..000000000
--- a/demo.js
+++ /dev/null
@@ -1,76 +0,0 @@
-Demo = {
-    version: 1.0
-};$(function () {
-    var ref;
-    BI.createWidget({
-        type: "demo.main",
-        ref: function (_ref) {
-            console.log(_ref);
-            ref = _ref;
-        },
-        element: '#wrapper'
-    });
-    // ref.destroy();
-});Demo.Center = BI.inherit(BI.Widget, {
-    props: {
-        baseCls: "demo-center"
-    },
-    beforeCreate: function(){
-        console.log("beforeCreate");
-    },
-    render: function () {
-        console.log("render");
-    },
-    created: function () {
-        console.log("created");
-    },
-    mounted: function () {
-        console.log("mounted");
-    }
-});
-$.shortcut("demo.center", Demo.Center);Demo.Main = BI.inherit(BI.Widget, {
-    props: {
-        baseCls: "demo-main"
-    },
-    render: function () {
-        return {
-            type: "bi.border",
-            items: {
-                north: {
-                    height: 50,
-                    el: {
-                        type: "demo.north"
-                    }
-                },
-                west: {
-                    width: 230,
-                    el: {
-                        type: "demo.west"
-                    }
-                },
-                center: {
-                    el: {
-                        type: "demo.center",
-                    }
-                }
-            }
-        }
-    }
-});
-$.shortcut("demo.main", Demo.Main);Demo.North = BI.inherit(BI.Widget, {
-    props: {
-        baseCls: "demo-north"
-    },
-    render: function () {
-
-    }
-});
-$.shortcut("demo.north", Demo.North);Demo.West = BI.inherit(BI.Widget, {
-    props: {
-        baseCls: "demo-west"
-    },
-    render: function () {
-
-    }
-});
-$.shortcut("demo.west", Demo.West);
\ No newline at end of file