diff --git a/src/main/java/org/jcnc/jnotepad/LunchApp.java b/src/main/java/org/jcnc/jnotepad/LunchApp.java
index e5126bc132dba17f683449d0ddfd6a3c52b0d4b7..3fb856c8573e3b3d91b4e6c1492f7eeed78fbaf4 100644
--- a/src/main/java/org/jcnc/jnotepad/LunchApp.java
+++ b/src/main/java/org/jcnc/jnotepad/LunchApp.java
@@ -23,9 +23,8 @@ public class LunchApp extends Application {
     private static final ExecutorService threadPool = Executors.newCachedThreadPool();
     public static boolean isRelevance = true;
 
+    Controller controller = Controller.getInstance();
     Scene scene;
-    Controller controller = new Controller();
-
     View view;
 
     @Override
diff --git a/src/main/java/org/jcnc/jnotepad/controller/event/handler/NewFile.java b/src/main/java/org/jcnc/jnotepad/controller/event/handler/NewFile.java
index 0109e62819834cce578fcb8ee52cb75a719ff153..0a7fae9ffc737c04e3f5f7fdf63840b9526fa78c 100644
--- a/src/main/java/org/jcnc/jnotepad/controller/event/handler/NewFile.java
+++ b/src/main/java/org/jcnc/jnotepad/controller/event/handler/NewFile.java
@@ -7,8 +7,6 @@ import org.jcnc.jnotepad.ui.LineNumberTextArea;
 import org.jcnc.jnotepad.controller.manager.Controller;
 import org.jcnc.jnotepad.view.manager.ViewManager;
 
-import java.util.Objects;
-
 import static org.jcnc.jnotepad.view.manager.ViewManager.tabPane;
 
 /**
@@ -25,7 +23,7 @@ public class NewFile implements EventHandler<ActionEvent> {
     @Override
     public void handle(ActionEvent event) {
         // 获取控制器
-        Controller controller = new Controller();
+        Controller controller = Controller.getInstance();
 
         LineNumberTextArea lineNumberTextArea = new LineNumberTextArea();
 
@@ -38,6 +36,9 @@ public class NewFile implements EventHandler<ActionEvent> {
                 "-fx-border-color:white ;-fx-background-color:white;"
         );
 
+        //TODO: refactor：统一TextArea新建、绑定监听器入口
+        // 增加autoSave监听器绑定
+        controller.autoSave(textArea);
 
         // 创建一个新的Tab页
         Tab tab = new Tab("新建文本 " + ++ViewManager.tabIndex);
diff --git a/src/main/java/org/jcnc/jnotepad/controller/event/handler/OpenFile.java b/src/main/java/org/jcnc/jnotepad/controller/event/handler/OpenFile.java
index 66cbe2a58c7151a2d1731d9df468af0143ed913d..635a34a02f300d1a5c4d0da2650d0f497a686de6 100644
--- a/src/main/java/org/jcnc/jnotepad/controller/event/handler/OpenFile.java
+++ b/src/main/java/org/jcnc/jnotepad/controller/event/handler/OpenFile.java
@@ -26,7 +26,7 @@ public class OpenFile implements EventHandler<ActionEvent> {
     @Override
     public void handle(ActionEvent event) {
         // 获取控制器
-        Controller controller = new Controller();
+        Controller controller = Controller.getInstance();
         // 创建文件选择器
         FileChooser fileChooser = new FileChooser();
         // 显示文件选择对话框，并获取选中的文件
diff --git a/src/main/java/org/jcnc/jnotepad/controller/manager/Controller.java b/src/main/java/org/jcnc/jnotepad/controller/manager/Controller.java
index 4ed5b00829378bf19218f76815a0afc10ce4dc09..00f8fa17cbb921a857df46bb4301126dce53ca76 100644
--- a/src/main/java/org/jcnc/jnotepad/controller/manager/Controller.java
+++ b/src/main/java/org/jcnc/jnotepad/controller/manager/Controller.java
@@ -25,6 +25,16 @@ import java.util.List;
  */
 public class Controller implements ControllerInterface {
 
+    private static final Controller INSTANCE = new Controller();
+
+    private Controller() {
+
+    }
+
+    public static Controller getInstance() {
+        return INSTANCE;
+    }
+
     /**
      * 打开关联文件并创建文本区域。
      *
@@ -270,7 +280,7 @@ public class Controller implements ControllerInterface {
         LineNumberTextArea textArea = new LineNumberTextArea();
         textArea.setStyle(
                 "-fx-border-color:white;" +
-                "-fx-background-color:white"
+                        "-fx-background-color:white"
         );
         return textArea;
     }
diff --git a/src/main/java/org/jcnc/jnotepad/view/init/View.java b/src/main/java/org/jcnc/jnotepad/view/init/View.java
index be7bcb4f84cd9f9bddade42a12990da8c90173eb..4e99f634dece14296cdd9a49465116c827e53e29 100644
--- a/src/main/java/org/jcnc/jnotepad/view/init/View.java
+++ b/src/main/java/org/jcnc/jnotepad/view/init/View.java
@@ -17,17 +17,17 @@ public class View {
 
     public void initItem() {
         // 初始化菜单项的事件处理器
-        EventHandler<ActionEvent> newFileEventHandler = new Controller().getNewFileEventHandler(new LineNumberTextArea());
+        EventHandler<ActionEvent> newFileEventHandler = Controller.getInstance().getNewFileEventHandler(new LineNumberTextArea());
         newItem.setOnAction(newFileEventHandler);
-        EventHandler<ActionEvent> openFileEventHandler = new Controller().getOpenFileEventHandler();
+        EventHandler<ActionEvent> openFileEventHandler = Controller.getInstance().getOpenFileEventHandler();
         openItem.setOnAction(openFileEventHandler);
-        EventHandler<ActionEvent> saveAsFileEventHandler = new Controller().getSaveAsFileEventHandler();
+        EventHandler<ActionEvent> saveAsFileEventHandler = Controller.getInstance().getSaveAsFileEventHandler();
         saveAsItem.setOnAction(saveAsFileEventHandler);
-        lineFeedItem.setOnAction(new Controller().getLineFeedEventHandler(new LineNumberTextArea()));
+        lineFeedItem.setOnAction(Controller.getInstance().getLineFeedEventHandler(new LineNumberTextArea()));
     }
 
     public void initTabPane() {
-        new Controller().initTabPane();
+        Controller.getInstance().initTabPane();
     }
 
     // 初始化快捷键