diff --git a/src/graphics/slope/Slope.ts b/src/graphics/slope/Slope.ts
index 624106e..fd63a2f 100644
--- a/src/graphics/slope/Slope.ts
+++ b/src/graphics/slope/Slope.ts
@@ -30,19 +30,17 @@ export class Slope extends JlGraphic {
   lineGraphic: Graphics;
   slopeNumber: VectorText;
   slopeLong: VectorText;
+  changePoints: IPointData[] = [];
   constructor() {
     super(Slope.Type);
     this.lineGraphic = new Graphics();
     this.slopeNumber = new VectorText();
-    this.slopeNumber.name = 'slopeNumber';
     this.slopeLong = new VectorText();
-    this.slopeLong.name = 'slopeLong';
     const vectorTexts = [this.slopeNumber, this.slopeLong];
     vectorTexts.forEach((vectorText) => {
       vectorText.setVectorFontSize(14);
       vectorText.anchor.set(0.5);
       vectorText.style.fill = '0xffffff';
-      vectorText.transformSave = true;
     });
     this.transformSave = true;
     this.addChild(this.lineGraphic);
@@ -69,29 +67,21 @@ export class Slope extends JlGraphic {
     this.datas.points.forEach((p, i) => {
       if (i !== 0) {
         this.lineGraphic.lineTo(p.x, p.y + distanceY);
+        this.changePoints.push({ x: p.x, y: p.y + distanceY });
       } else {
         this.lineGraphic.moveTo(p.x, p.y - distanceY);
+        this.changePoints.push({ x: p.x, y: p.y - distanceY });
       }
     });
     //坡度值
     this.slopeNumber.text = Math.abs(
       parseFloat(this.datas.slopeNumber / 1000 + '')
     );
-    const slopeNumberPosition = this.datas.childTransforms?.find(
-      (t) => t.name === this.slopeNumber.name
-    )?.transform.position;
-    if (slopeNumberPosition) {
-      this.slopeNumber.position.set(
-        slopeNumberPosition.x,
-        slopeNumberPosition.y
-      );
-    } else {
-      const centerPos = calculateLineMidpoint(
-        this.datas.points[0],
-        this.datas.points[this.datas.points.length - 1]
-      );
-      this.slopeNumber.position.set(centerPos.x, centerPos.y - 15);
-    }
+    const centerPos = calculateLineMidpoint(
+      this.datas.points[0],
+      this.datas.points[this.datas.points.length - 1]
+    );
+    this.slopeNumber.position.set(centerPos.x, centerPos.y - 15);
     //坡度长度
     const slopeKiloMarkerL = this.queryStore.queryById(
       this.datas.refDeviceId[0]
@@ -102,18 +92,7 @@ export class Slope extends JlGraphic {
     this.slopeLong.text =
       slopeKiloMarkerR.datas.kilometerSystem[0]?.kilometer -
       slopeKiloMarkerL.datas.kilometerSystem[0]?.kilometer;
-    const slopeLongPosition = this.datas.childTransforms?.find(
-      (t) => t.name === this.slopeLong.name
-    )?.transform.position;
-    if (slopeLongPosition) {
-      this.slopeLong.position.set(slopeLongPosition.x, slopeLongPosition.y);
-    } else {
-      const centerPos = calculateLineMidpoint(
-        this.datas.points[0],
-        this.datas.points[this.datas.points.length - 1]
-      );
-      this.slopeLong.position.set(centerPos.x, centerPos.y + 15);
-    }
+    this.slopeLong.position.set(centerPos.x, centerPos.y + 15);
   }
   loadRelations() {
     if (this.datas.refDeviceId.length) {
diff --git a/src/graphics/slope/SlopeAssistant.ts b/src/graphics/slope/SlopeAssistant.ts
index a2199aa..519ceed 100644
--- a/src/graphics/slope/SlopeAssistant.ts
+++ b/src/graphics/slope/SlopeAssistant.ts
@@ -110,14 +110,11 @@ class SlopeGraphicHitArea implements IHitArea {
     this.slope = slope;
   }
   contains(x: number, y: number): boolean {
-    for (let i = 1; i < this.slope.datas.points.length; i++) {
-      const p1 = this.slope.datas.points[i - 1];
-      const p2 = this.slope.datas.points[i];
-      if (linePoint(p1, p2, { x, y }, SlopeConsts.lineWidth)) {
-        return true;
-      }
-    }
-    return false;
+    let contains = false;
+    const p1 = this.slope.changePoints[0];
+    const p2 = this.slope.changePoints[1];
+    contains = contains || linePoint(p1, p2, { x, y }, SlopeConsts.lineWidth);
+    return contains;
   }
 }