diff --git a/simple-translate/background.js b/simple-translate/background.js
index 9d6f1e1..eea7abf 100644
--- a/simple-translate/background.js
+++ b/simple-translate/background.js
@@ -13,15 +13,15 @@ browser.runtime.onInstalled.addListener(function () {
 let S = new settingsObj()
 browser.storage.onChanged.addListener(showMenu);
 
-S.init().then(function(){
+S.init().then(function () {
     showMenu();
 });
-function showMenu(){
-    if(S.get().ifShowMenu){
+
+function showMenu() {
+    if (S.get().ifShowMenu) {
         menuRemove();
         menuCreate();
-    }
-    else menuRemove();
+    } else menuRemove();
 }
 
 function initialSetting() {
@@ -32,13 +32,13 @@ function initialSetting() {
         case "ko":
         case "ru":
             targetLang = browser.i18n.getUILanguage();
-            secondTargetLang="en";
+            secondTargetLang = "en";
             break;
         default:
             targetLang = "en";
-            secondTargetLang="ja";
+            secondTargetLang = "ja";
             break;
-                                        }
+    }
 }
 
 //メニューを表示
@@ -48,7 +48,7 @@ function menuCreate() {
         title: browser.i18n.getMessage("translatePageMenu"),
         contexts: ["all"],
     });
-    
+
     browser.contextMenus.create({
         id: "translateText",
         title: browser.i18n.getMessage("translateTextMenu"),
diff --git a/simple-translate/popup/popup.js b/simple-translate/popup/popup.js
index 920cf0c..d658d4a 100644
--- a/simple-translate/popup/popup.js
+++ b/simple-translate/popup/popup.js
@@ -2,17 +2,17 @@
  * License, v. 2.0. If a copy of the MPL was not distributed with this
  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
 
-let S=new settingsObj();
+let S = new settingsObj();
 //設定を読み出し
-S.init().then(function(value){
+S.init().then(function (value) {
     defaultTargetLang = value.targetLang;
     targetLang = value.targetLang;
     secondTargetLang = value.secondTargetLang;
-    ifChangeSecondLang=value.ifChangeSecondLang;
+    ifChangeSecondLang = value.ifChangeSecondLang;
     langList.value = targetLang; //リスト初期値をセット
     langList.addEventListener("change", changeLang);
-    
-    document.body.style.fontSize=value.fontSize;
+
+    document.body.style.fontSize = value.fontSize;
 })
 
 let target = document.getElementById("target");
@@ -21,7 +21,7 @@ let textarea = document.getElementById("textarea");
 
 langList.innerHTML = browser.i18n.getMessage("langList");
 const initialText = browser.i18n.getMessage("initialTextArea");
-textarea.placeholder= initialText;
+textarea.placeholder = initialText;
 
 let targetLang;
 let secondTargetLang;