diff --git a/packages/lb-annotation/src/core/toolOperation/pointCloud2DRectOperation.ts b/packages/lb-annotation/src/core/toolOperation/pointCloud2DRectOperation.ts
index 5e4afbf00..f765a9c66 100644
--- a/packages/lb-annotation/src/core/toolOperation/pointCloud2DRectOperation.ts
+++ b/packages/lb-annotation/src/core/toolOperation/pointCloud2DRectOperation.ts
@@ -83,20 +83,11 @@ class PointCloud2DRectOperation extends RectOperation {
     return true;
   }
 
-  private getComputedDrawingRect(rect: IPointCloud2DRectOperationViewRect & IRect) {
-    const keyOfExtId = 'extId';
-    // Is it 3d's projected or disconnected 3d's projected rect
-    // @ts-ignore
-    const shouldNotDashedLine = rect?.boxID || rect?.[keyOfExtId];
-
-    return shouldNotDashedLine ? rect : { ...rect, lineDash: [3] };
-  }
-
   public renderDrawingRect(rect: IPointCloud2DRectOperationViewRect & IRect, zoom = this.zoom, isZoom = false) {
-    const targetRect = this.getComputedDrawingRect(rect);
-    // window.console.log('[@DrawingRect] Rect: ', targetRect, ', Origin Rect: ', rect);
+    // 是否使用强制默认值，如： lineDash: [3]
+    const shouldNotUseForceValue = rect?.boxID || rect?.lineDash;
 
-    super.renderDrawingRect(targetRect, zoom, isZoom);
+    super.renderDrawingRect(shouldNotUseForceValue ? rect : { ...rect, lineDash: [3] }, zoom, isZoom);
   }
 
   /*
diff --git a/packages/lb-components/src/components/pointCloudView/PointCloudContext.tsx b/packages/lb-components/src/components/pointCloudView/PointCloudContext.tsx
index c1f34511b..48ed89415 100644
--- a/packages/lb-components/src/components/pointCloudView/PointCloudContext.tsx
+++ b/packages/lb-components/src/components/pointCloudView/PointCloudContext.tsx
@@ -385,6 +385,7 @@ export const PointCloudProvider: React.FC<PropsWithChildren<{}>> = ({ children }
               attribute: attribute,
               order: trackID,
               extId: id,
+              lineDash: [],
             };
           }