diff --git a/wwwroot/app_panel.ui b/wwwroot/app_panel.ui
index 06b42ce..0bb066c 100644
--- a/wwwroot/app_panel.ui
+++ b/wwwroot/app_panel.ui
@@ -1,6 +1,7 @@
 {
 	"widgettype":"HBox",
 	"options":{
+		"tip":"进入主菜单",
 		"css":"filler clickable"
 	},
 	"subwidgets":[
@@ -8,7 +9,8 @@
 			"widgettype":"Svg",
 			"options":{
 				"rate": 2,
-				"tip":"进入主菜单",
+				"valign":"center",
+				"halign":"center",
 				"url":"{{entire_url('/imgs/ocai.svg')}}"
 			}
 		},