diff --git a/src/arrow/double-arrow.ts b/src/arrow/double-arrow.ts
index 4f9e76a..3dcf1a8 100644
--- a/src/arrow/double-arrow.ts
+++ b/src/arrow/double-arrow.ts
@@ -56,8 +56,8 @@ export default class DoubleArrow extends Base {
       this.curveControlPointLeft = this.cesium.Cartesian3.fromDegrees(this.llBodyPnts[2][0], this.llBodyPnts[2][1]);
       this.curveControlPointRight = this.cesium.Cartesian3.fromDegrees(this.rrBodyPnts[1][0], this.rrBodyPnts[1][1]);
 
-      // 辅助查看插值控制点位置
-      // this.CesiumViewer.entities.add({
+      // // 辅助查看插值控制点位置
+      // this.viewer.entities.add({
       // 	position: this.curveControlPointLeft,
       // 	point: {
       // 		pixelSize: 10,
@@ -65,7 +65,7 @@ export default class DoubleArrow extends Base {
       // 		color: this.cesium.Color.RED,
       // 	},
       // });
-      // this.CesiumViewer.entities.add({
+      // this.viewer.entities.add({
       // 	position: this.curveControlPointRight,
       // 	point: {
       // 		pixelSize: 10,
@@ -75,6 +75,12 @@ export default class DoubleArrow extends Base {
       // });
     }
   }
+
+  // finishDrawing() {
+  //   this.curveControlPointLeft = this.cesium.Cartesian3.fromDegrees(this.llBodyPnts[2][0], this.llBodyPnts[2][1]);
+  //   this.curveControlPointRight = this.cesium.Cartesian3.fromDegrees(this.rrBodyPnts[1][0], this.rrBodyPnts[1][1]);
+  //   super.finishDrawing();
+  // }
   /**
    * Draw a shape based on mouse movement points during the initial drawing.
    */
diff --git a/src/base.ts b/src/base.ts
index 6c38502..0437858 100644
--- a/src/base.ts
+++ b/src/base.ts
@@ -278,7 +278,7 @@ export default class Base {
       this.tempLineEntity = this.addLineEntity(lineStyle);
     }
   }
-  
+
   removeTempLine() {
     if (this.tempLineEntity) {
       this.viewer.entities.remove(this.tempLineEntity);
@@ -725,10 +725,7 @@ export default class Base {
 
   private doubleArrowGrowthAnimation(duration: number = 2000, delay: number = 0, callback?: Function) {
     setTimeout(() => {
-      this.viewer.entities.remove(this.polygonEntity);
-      this.viewer.entities.remove(this.outlineEntity);
-      this.polygonEntity = null;
-      this.outlineEntity = null;
+      this.hideWithAnimation(0, 0, undefined);
       const points = this.getPoints();
       let startTime = Date.now();
       this.viewer.clock.shouldAnimate = true;
@@ -783,7 +780,7 @@ export default class Base {
         tempPoints[3] = newPositionLeft;
         const geometryPoints = this.createGraphic(tempPoints);
         this.setGeometryPoints(geometryPoints);
-        this.drawPolygon();
+        this.showWithAnimation(0, 0, undefined);
       };
       this.viewer.clock.onTick.addEventListener(frameListener);
     }, delay);