bug: var editor unknown afeter refactor

main.js

 var audioButton = false;
 var midiButton = false;
 var activateButton;
-
+var editor;
 
 /**
  * Load the editor and add css
  */
 function loadEditor() {
-	var editor = ace.edit("editor");
+	editor = ace.edit("editor");
 	editor.setTheme("ace/theme/tomorrow_night");
 	editor.session.setMode("ace/mode/css");
 	editor.setOptions({
@@ -97,6 +97,7 @@ function initUi() {
  * Save CSS in editor via save button
  */
 function updateCss() {
+	console.log('updateCss');
 	chrome.tabs.query({ active: true, currentWindow: true },
 		function (tabs) {
 			let cssStr = editor.getValue();
@@ -162,7 +163,7 @@ $('#onOff').on('click', function () {
 
 $('#audio').on('click', function () {
 	audioButton = !audioButton;
-	chrome.storage.sync.set({ audioB: audioButton }, function () {
+	chrome.storage.sync.set({ audioI: audioButton }, function () {
 	});
 	chrome.tabs.query({ active: true, currentWindow: true },
 		function (tabs) {