diff --git a/src/main/webapp/WEB-INF/jsp/index.jsp b/src/main/webapp/WEB-INF/jsp/index.jsp
index 02523fc..8e86745 100644
--- a/src/main/webapp/WEB-INF/jsp/index.jsp
+++ b/src/main/webapp/WEB-INF/jsp/index.jsp
@@ -75,7 +75,6 @@ ${userMenus}
 const FIRST_PAGE = wctx.url("/adds/nims/dsuseMgtReceipt.do");
 
 let	mainTabs = new TabControl({
-	sticky: {},
 	getMenu: (url) => menuSupport.getMenu(url),
 	onDatasetChange: tabs => {
 		let template = document.getElementById("main-tab").innerHTML,
@@ -94,7 +93,7 @@ let	mainTabs = new TabControl({
 		);
 	},
 	onCurrentChange: tab => {
-		if (!tab.data) return;
+		if (!tab || !tab.data) return;
 		
 		let url = tab.data.url;
 		menuSupport.setActive(url);