diff --git a/src/main/java/org/jcnc/jnotepad/LunchApp.java b/src/main/java/org/jcnc/jnotepad/LunchApp.java
index 3fb856c..d3d4944 100644
--- a/src/main/java/org/jcnc/jnotepad/LunchApp.java
+++ b/src/main/java/org/jcnc/jnotepad/LunchApp.java
@@ -42,6 +42,7 @@ public class LunchApp extends Application {
 
         scene = new Scene(root, width, length);
         Application.setUserAgentStylesheet(new PrimerLight().getUserAgentStylesheet());
+        scene.getStylesheets().add(Objects.requireNonNull(getClass().getResource("/styles.css")).toExternalForm());
 
         primaryStage.setTitle(name);
         primaryStage.setWidth(width);
diff --git a/src/main/java/org/jcnc/jnotepad/ui/LineNumberTextArea.java b/src/main/java/org/jcnc/jnotepad/ui/LineNumberTextArea.java
index d44d41f..60bc198 100644
--- a/src/main/java/org/jcnc/jnotepad/ui/LineNumberTextArea.java
+++ b/src/main/java/org/jcnc/jnotepad/ui/LineNumberTextArea.java
@@ -17,11 +17,11 @@ public class LineNumberTextArea extends BorderPane {
         mainTextArea = new TextArea();
         lineNumberArea = new TextArea();
         lineNumberArea.setEditable(false);
-        lineNumberArea.setMinWidth(55);
-        lineNumberArea.setMaxWidth(55);
+        lineNumberArea.setMinWidth(30);
+        lineNumberArea.setMaxWidth(30);
         // 设置显示滚动条样式类
-/*        lineNumberArea.getStyleClass().add("hide-scrollbars");
-        mainTextArea.getStyleClass().add("show-scrollbars"); */
+        lineNumberArea.getStyleClass().add("text-line-number");
+        /*mainTextArea.getStyleClass().add("show-scrollbars"); */
 
         mainTextArea.textProperty().addListener((observable, oldValue, newValue) -> updateLineNumberArea());
 
diff --git a/src/main/resources/styles.css b/src/main/resources/styles.css
index 4184796..c69dd13 100644
--- a/src/main/resources/styles.css
+++ b/src/main/resources/styles.css
@@ -5,7 +5,15 @@
 }
 
 /* 不显示滚动条 */
-.hide-scrollbars .scroll-pane {
-    -fx-hbar-policy: never;
-    -fx-vbar-policy: never;
+.text-line-number .content{
+    -fx-cursor: text;
+    -fx-padding: 8px 1px 8px 1px;
 }
+.text-line-number .scroll-bar:vertical {
+    -fx-pref-width: 1;
+    -fx-opacity: 0;
+}
+.text-line-number .scroll-bar:horizontal {
+    -fx-pref-height: 1;
+    -fx-opacity: 0;
+}
\ No newline at end of file