diff --git a/wwwroot/index.ui b/wwwroot/index.ui
index 696591e..3cc010c 100644
--- a/wwwroot/index.ui
+++ b/wwwroot/index.ui
@@ -10,7 +10,7 @@
     {
       "widgettype": "Html",
       "options": {
-        "html": "<script>\n(function(){\n    if (bricks.TabPanel.prototype._dyn_patched) return;\n    bricks.TabPanel.prototype._dyn_patched = true;\n    bricks.TabPanel.prototype.open_tab = async function(desc){\n        if (this.content_buffer.hasOwnProperty(desc.name)){\n            if (desc.name !== this.cur_tab_name){\n                this.cur_tab_name = desc.name;\n                this.switch_content(this.content_buffer[desc.name]);\n                if (this.toolbar && this.toolbar.click) this.toolbar.click(desc.name);\n            }\n            return;\n        }\n        desc.content = desc.content || {\"widgettype\":\"urlwidget\",\"options\":{\"url\":desc.url}};\n        this.opts.items.push(desc);\n        if (this.add_tab) this.add_tab(desc);\n        var w = await bricks.widgetBuild(desc.content, this, {});\n        if (!w) return;\n        this.content_buffer[desc.name] = w;\n        this.cur_tab_name = desc.name;\n        this.switch_content(w);\n    };\n    bricks.TabPanel.prototype.show_tabcontent = async function(event){\n        var tdesc = event.params;\n        if (tdesc.name === this.cur_tab_name) return;\n        var items = this.opts.items;\n        for (var i=0;i<items.length;i++){\n            if (tdesc.name === items[i].name){\n                var w = this.content_buffer[tdesc.name];\n                if (!w){\n                    var c = items[i].content || {\"widgettype\":\"urlwidget\",\"options\":{\"url\":items[i].url}};\n                    w = await bricks.widgetBuild(c, this, {});\n                    if (w) this.content_buffer[tdesc.name] = w;\n                }\n                if (w){ this.cur_tab_name = tdesc.name; this.switch_content(w); }\n                return;\n            }\n        }\n    };\n})();\n</script>",
+        "html": "<script>\n(function(){\n    if (bricks.TabPanel.prototype._dyn_patched) return;\n    bricks.TabPanel.prototype._dyn_patched = true;\n    bricks.TabPanel.prototype.open_tab = async function(desc){\n        if (this.content_buffer.hasOwnProperty(desc.name)){\n            if (desc.name !== this.cur_tab_name){\n                this.cur_tab_name = desc.name;\n                this.switch_content(this.content_buffer[desc.name]);\n                if (this.toolbar && this.toolbar.click) this.toolbar.click(desc.name);\n            }\n            return;\n        }\n        desc.content = desc.content || {\"widgettype\":\"urlwidget\",\"options\":{\"url\":desc.url}};\n        this.opts.items.push(desc);\n        if (this.add_tab) this.add_tab(desc);\n        var w = await bricks.widgetBuild(desc.content, this, {});\n        if (!w) return;\n        this.content_buffer[desc.name] = w;\n        this.cur_tab_name = desc.name;\n        this.switch_content(w);\n    };\n    bricks.TabPanel.prototype.show_tabcontent = async function(event){\n        var tdesc = event.params;\n        if (tdesc.name === this.cur_tab_name) return;\n        var items = this.opts.items;\n        for (var i=0;i<items.length;i++){\n            if (tdesc.name === items[i].name){\n                var w = this.content_buffer[tdesc.name];\n                if (!w){\n                    var c = items[i].content || {\"widgettype\":\"urlwidget\",\"options\":{\"url\":items[i].url}};\n                    w = await bricks.widgetBuild(c, this, {});\n                    if (w) this.content_buffer[tdesc.name] = w;\n                }\n                if (w){ this.cur_tab_name = tdesc.name; this.switch_content(w); }\n                return;\n            }\n        }\n    };\n})();\n<\\/script>",
         "width": "0",
         "height": "0"
       }