diff --git a/HMCL/src/main/java/org/jackhuang/hmcl/ui/construct/MenuSeparator.java b/HMCL/src/main/java/org/jackhuang/hmcl/ui/construct/MenuSeparator.java
index 219db784ed..0945c39d89 100644
--- a/HMCL/src/main/java/org/jackhuang/hmcl/ui/construct/MenuSeparator.java
+++ b/HMCL/src/main/java/org/jackhuang/hmcl/ui/construct/MenuSeparator.java
@@ -19,8 +19,8 @@
 
 import javafx.geometry.Insets;
 import javafx.scene.layout.StackPane;
-import javafx.scene.paint.Color;
 import javafx.scene.shape.Rectangle;
+import org.jackhuang.hmcl.theme.Themes;
 
 public class MenuSeparator extends StackPane {
 
@@ -28,7 +28,7 @@ public MenuSeparator() {
         Rectangle rect = new Rectangle();
         rect.widthProperty().bind(widthProperty().add(-14));
         rect.setHeight(1);
-        rect.setFill(Color.GRAY);
+        rect.fillProperty().bind(Themes.colorSchemeProperty().getOutlineVariant());
         maxHeightProperty().set(10);
         setPadding(new Insets(3));
         getChildren().setAll(rect);