标题线路

src/projects/business/utils/request.js

@@ -27,6 +27,7 @@ var checkApiGetBackendUrl = function() {
 		},
 		error: function(xhr, textStatus) {
 			console.log('直连异常')
+			document.title = document.title + '-线路二';
 			isBackend = false;
 		},
 		complete: function() {