diff --git a/public/react/src/AppConfig.js b/public/react/src/AppConfig.js
index 0e97dbd68..08672adae 100644
--- a/public/react/src/AppConfig.js
+++ b/public/react/src/AppConfig.js
@@ -137,7 +137,6 @@ export function initAxiosInterceptors(props) {
 			const  str =window.location.pathname;
 			if(str.indexOf("/wxcode") !== -1){
 			const _params = window.location.search;
-			var u = navigator.userAgent;
 				if (_params) {
 					let _search = _params.split('?')[1];
 					_search.split('&').forEach(item => {