diff --git a/examples/dev.html b/examples/dev.html
index 6afcc3589..f4a855b3d 100644
--- a/examples/dev.html
+++ b/examples/dev.html
@@ -28,7 +28,6 @@
                         type: "bi.button",
                         text: "点击",
                         handler: function () {
-                            debugger;
                             layout.populate([{
                                 type: "bi.label",
                                 key: "1",
@@ -45,11 +44,7 @@
                         items: [{
                             type: "bi.label",
                             key: "123",
-                            text: 1
-                        }, {
-                            type: "bi.label",
-                            key: "245",
-                            text: 2
+                            text: "start"
                         }],
                         ref: function (_ref) {
                             layout = _ref;