diff --git a/demo/js/widget/basewidget/demo.mask.loading.js b/demo/js/widget/basewidget/demo.mask.loading.js
deleted file mode 100644
index 25374c2318..0000000000
--- a/demo/js/widget/basewidget/demo.mask.loading.js
+++ /dev/null
@@ -1,56 +0,0 @@
-/**
- * Created by Dailer on 2017/7/25.
- */
-
-Demo.LoadingMask = BI.inherit(BI.Widget, {
-
-    render: function () {
-        var vessel = this;
-        var self = this;
-        var left = BI.createWidget({
-            type: "bi.center_adapt",
-            items: [{
-                type: "bi.button",
-                text: "LoadingMask",
-                height: 30,
-                handler: function () {
-                    var mask = BI.createWidget({
-                        type: "bi.loading_mask",
-                        masker: vessel,
-                        text: "加载中...3s后结束"
-                    });
-                    setTimeout(function () {
-                        mask.destroy();
-                    }, 3000);
-                }
-            }]
-        });
-        var right = BI.createWidget({
-            type: "bi.center_adapt",
-            items: [{
-                type: "bi.button",
-                text: "CancelLoadingMask",
-                height: 30,
-                handler: function () {
-                    var mask = BI.createWidget({
-                        type: "bi.loading_cancel_mask",
-                        masker: vessel,
-                        text: "正在加载数据"
-                    });
-                    mask.on(BI.LoadingCancelMask.EVENT_VALUE_CANCEL, function () {
-                        mask.destroy();
-                        BI.Msg.toast("取消加载了...");
-                    });
-                }
-            }]
-        });
-        BI.createWidget({
-            type: "bi.center_adapt",
-            element: vessel,
-            items: [left, right],
-            hgap: 20
-        });
-    }
-});
-
-BI.shortcut("demo.loading_mask", Demo.LoadingMask);
\ No newline at end of file
diff --git a/dist/demo.js b/dist/demo.js
index caef150ab9..456ffb400c 100644
--- a/dist/demo.js
+++ b/dist/demo.js
@@ -11911,61 +11911,6 @@ BI.shortcut("demo.items", Demo.Items);/**
  * Created by Dailer on 2017/7/25.
  */
 
-Demo.LoadingMask = BI.inherit(BI.Widget, {
-
-    render: function () {
-        var vessel = this;
-        var self = this;
-        var left = BI.createWidget({
-            type: "bi.center_adapt",
-            items: [{
-                type: "bi.button",
-                text: "LoadingMask",
-                height: 30,
-                handler: function () {
-                    var mask = BI.createWidget({
-                        type: "bi.loading_mask",
-                        masker: vessel,
-                        text: "加载中...3s后结束"
-                    });
-                    setTimeout(function () {
-                        mask.destroy();
-                    }, 3000);
-                }
-            }]
-        });
-        var right = BI.createWidget({
-            type: "bi.center_adapt",
-            items: [{
-                type: "bi.button",
-                text: "CancelLoadingMask",
-                height: 30,
-                handler: function () {
-                    var mask = BI.createWidget({
-                        type: "bi.loading_cancel_mask",
-                        masker: vessel,
-                        text: "正在加载数据"
-                    });
-                    mask.on(BI.LoadingCancelMask.EVENT_VALUE_CANCEL, function () {
-                        mask.destroy();
-                        BI.Msg.toast("取消加载了...");
-                    });
-                }
-            }]
-        });
-        BI.createWidget({
-            type: "bi.center_adapt",
-            element: vessel,
-            items: [left, right],
-            hgap: 20
-        });
-    }
-});
-
-BI.shortcut("demo.loading_mask", Demo.LoadingMask);/**
- * Created by Dailer on 2017/7/25.
- */
-
 Demo.Nodes = BI.inherit(BI.Widget, {
 
     render: function (vessel) {