diff --git a/packages/monaco-enhance/src/browser/zone-widget.ts b/packages/monaco-enhance/src/browser/zone-widget.ts
index f8dcc5c4bd..3ec124284d 100644
--- a/packages/monaco-enhance/src/browser/zone-widget.ts
+++ b/packages/monaco-enhance/src/browser/zone-widget.ts
@@ -306,7 +306,7 @@ export abstract class ZoneWidget extends Disposable implements IHorizontalSashLa
   private _getWidth(info: monaco.editor.EditorLayoutInfo): number {
     // 增加部分与 Minimap 的边距，整体视觉效果更好
     const minimapWidth = info.minimap ? info.minimap.minimapWidth + 5 : 0;
-    return info.width - minimapWidth;
+    return info.width - minimapWidth - info.verticalScrollbarWidth;
   }
 
   protected _onViewZoneTop(top: number): void {