diff --git a/wwwroot/i18n/language.ui b/wwwroot/i18n/language.ui
new file mode 100644
index 0000000..25e5236
--- /dev/null
+++ b/wwwroot/i18n/language.ui
@@ -0,0 +1,35 @@
+{
+	"id": "language",
+	"widgettype": "Text",
+	"options": {
+		"tip": "切换语言",
+		"otext": "🌐",
+		"cwidth": 4,
+		"css": "clickable",
+		"cfontsize": 1.2
+	},
+	"binds": [
+		{
+			"wid": "self",
+			"event": "click",
+			"actiontype": "urlwidget",
+			"target": "Popup",
+			"popup_options": {
+				"eventpos": true,
+				"cwidth": 11,
+				"cheight": 10,
+				"dismiss_events": ["command"]
+			},
+			"options": {
+				"url": "{{entire_url('menu.ui')}}"
+			}
+		},
+		{
+			"wid": "app",
+			"event": "lang",
+			"actiontype": "script",
+			"target": "self",
+			"script": "this.set_otext(bricks.app.lang)"
+		}
+	]
+}
diff --git a/wwwroot/i18n/menu.ui b/wwwroot/i18n/menu.ui
new file mode 100644
index 0000000..ddea11a
--- /dev/null
+++ b/wwwroot/i18n/menu.ui
@@ -0,0 +1,29 @@
+{
+	"widgettype": "Menu",
+	"options": {
+		"cwidth": 11,
+		"target": "app",
+		"items": [
+			{
+				"name": "zh",
+				"label": "中文",
+				"script": "this.change_language('zh')"
+			},
+			{
+				"name": "en",
+				"label": "English",
+				"script": "this.change_language('en')"
+			},
+			{
+				"name": "jp",
+				"label": "日本語",
+				"script": "this.change_language('jp')"
+			},
+			{
+				"name": "ko",
+				"label": "한국어",
+				"script": "this.change_language('ko')"
+			}
+		]
+	}
+}
diff --git a/wwwroot/index.ui b/wwwroot/index.ui
index 112ac7a..1a3d8ba 100644
--- a/wwwroot/index.ui
+++ b/wwwroot/index.ui
@@ -46,6 +46,18 @@
         },
         {
           "widgettype": "Filler"
+        },
+        {
+          "widgettype": "urlwidget",
+          "options": {
+            "url": "{{entire_url('i18n/language.ui')}}"
+          }
+        },
+        {
+          "widgettype": "urlwidget",
+          "options": {
+            "url": "{{entire_url('/rbac/user/user_panel.ui')}}"
+          }
         }
       ]
     },