diff --git a/src/Obj/Base/PolylineObject/index.js b/src/Obj/Base/PolylineObject/index.js
index cf58f8c..c1c148b 100644
--- a/src/Obj/Base/PolylineObject/index.js
+++ b/src/Obj/Base/PolylineObject/index.js
@@ -1460,39 +1460,41 @@ class PolylineObject extends Base {
     //   let ray2 = this.sdk.viewer.camera.getPickRay(point2);
     //   cartesian2 = this.sdk.viewer.scene.globe.pick(ray2, this.sdk.viewer.scene);
     // }
-
-    var distance = Cesium.Cartesian3.distance(cartesian1, cartesian2);
-
-    var repeatX = distance / entity.polyline.width.getValue();
-    // 根据地图缩放程度调整repeatX
-    var cameraHeight = this.sdk.viewer.camera.positionCartographic.height;
-    var boundingSphere = new Cesium.BoundingSphere(
-      new Cesium.Cartesian3(-1000000, 0, 0), // 中心点坐标
-      500000 // 半径（距离）
-    );
+    if (cartesian1 && cartesian2) {
 
 
-    // 获取绘图缓冲区的宽度和高度（通常是屏幕的分辨率）
-    var drawingBufferWidth = this.sdk.viewer.canvas.clientWidth;
-    var drawingBufferHeight = this.sdk.viewer.canvas.clientHeight;
+      var distance = Cesium.Cartesian3.distance(cartesian1, cartesian2);
 
-    // 使用 getPixelSize 方法获取包围球在屏幕上的像素大小
-    var groundResolution = this.sdk.viewer.scene.camera.getPixelSize(boundingSphere, drawingBufferWidth, drawingBufferHeight)
-    // repeatX *= groundResolution / cameraHeight / ((myImg.width / myImg.height * 5) + 1);
-    if (groundResolution > 700) {
-      repeatX *= groundResolution / cameraHeight / (options.space * (canvasEle.width / canvasEle.height * 5) + 1);
-    } else {
-      repeatX = undefined;
+      var repeatX = distance / entity.polyline.width.getValue();
+      // 根据地图缩放程度调整repeatX
+      var cameraHeight = this.sdk.viewer.camera.positionCartographic.height;
+      var boundingSphere = new Cesium.BoundingSphere(
+        new Cesium.Cartesian3(-1000000, 0, 0), // 中心点坐标
+        500000 // 半径（距离）
+      );
+
+
+      // 获取绘图缓冲区的宽度和高度（通常是屏幕的分辨率）
+      var drawingBufferWidth = this.sdk.viewer.canvas.clientWidth;
+      var drawingBufferHeight = this.sdk.viewer.canvas.clientHeight;
+
+      // 使用 getPixelSize 方法获取包围球在屏幕上的像素大小
+      var groundResolution = this.sdk.viewer.scene.camera.getPixelSize(boundingSphere, drawingBufferWidth, drawingBufferHeight)
+      // repeatX *= groundResolution / cameraHeight / ((myImg.width / myImg.height * 5) + 1);
+      if (groundResolution > 700) {
+        repeatX *= groundResolution / cameraHeight / (options.space * (canvasEle.width / canvasEle.height * 5) + 1);
+      } else {
+        repeatX = undefined;
+      }
+
+      if (this.sdk.viewer.scene.mode === Cesium.SceneMode.SCENE3D) {
+        return repeatX
+      } else {
+        let sdk3d = get3DView()
+        let sdk3dEntity = sdk3d.viewer.entities.getById(this.options.id)
+        return sdk3dEntity.polyline.oriRepeatX
+      }
     }
-
-    if (this.sdk.viewer.scene.mode === Cesium.SceneMode.SCENE3D) {
-      return repeatX
-    } else {
-      let sdk3d = get3DView()
-      let sdk3dEntity = sdk3d.viewer.entities.getById(this.options.id)
-      return sdk3dEntity.polyline.oriRepeatX
-    }
-
   }
   /**
    * 编辑框
diff --git a/src/Tools/index.js b/src/Tools/index.js
index 0674a47..7716ae3 100644
--- a/src/Tools/index.js
+++ b/src/Tools/index.js
@@ -880,38 +880,38 @@ class Tools {
 
     let ray2 = this.sdk.viewer.camera.getPickRay(point2);
     let cartesian2 = this.sdk.viewer.scene.globe.pick(ray2, this.sdk.viewer.scene);
+    if (cartesian1 && cartesian2) {
+      var distance = Cesium.Cartesian3.distance(cartesian1, cartesian2);
 
-    var distance = Cesium.Cartesian3.distance(cartesian1, cartesian2);
+      var repeatX = distance / entity.polyline.width.getValue();
+      // 根据地图缩放程度调整repeatX
+      var cameraHeight = this.sdk.viewer.camera.positionCartographic.height;
+      var boundingSphere = new Cesium.BoundingSphere(
+        new Cesium.Cartesian3(-1000000, 0, 0), // 中心点坐标
+        500000 // 半径（距离）
+      );
 
-    var repeatX = distance / entity.polyline.width.getValue();
-    // 根据地图缩放程度调整repeatX
-    var cameraHeight = this.sdk.viewer.camera.positionCartographic.height;
-    var boundingSphere = new Cesium.BoundingSphere(
-      new Cesium.Cartesian3(-1000000, 0, 0), // 中心点坐标
-      500000 // 半径（距离）
-    );
+      // 获取绘图缓冲区的宽度和高度（通常是屏幕的分辨率）
+      var drawingBufferWidth = this.sdk.viewer.canvas.clientWidth;
+      var drawingBufferHeight = this.sdk.viewer.canvas.clientHeight;
 
-    // 获取绘图缓冲区的宽度和高度（通常是屏幕的分辨率）
-    var drawingBufferWidth = this.sdk.viewer.canvas.clientWidth;
-    var drawingBufferHeight = this.sdk.viewer.canvas.clientHeight;
+      // 使用 getPixelSize 方法获取包围球在屏幕上的像素大小
+      var groundResolution = this.sdk.viewer.scene.camera.getPixelSize(boundingSphere, drawingBufferWidth, drawingBufferHeight)
+      // repeatX *= groundResolution / cameraHeight / ((myImg.width / myImg.height * 5) + 1);
+      if (groundResolution > 700) {
+        repeatX *= groundResolution / cameraHeight / (options.space * (canvasEle.width / canvasEle.height * 5) + 1);
+      } else {
+        repeatX = undefined;
+      }
 
-    // 使用 getPixelSize 方法获取包围球在屏幕上的像素大小
-    var groundResolution = this.sdk.viewer.scene.camera.getPixelSize(boundingSphere, drawingBufferWidth, drawingBufferHeight)
-    // repeatX *= groundResolution / cameraHeight / ((myImg.width / myImg.height * 5) + 1);
-    if (groundResolution > 700) {
-      repeatX *= groundResolution / cameraHeight / (options.space * (canvasEle.width / canvasEle.height * 5) + 1);
-    } else {
-      repeatX = undefined;
+      if (this.sdk.viewer.scene.mode === Cesium.SceneMode.SCENE3D) {
+        return repeatX
+      } else {
+        let sdk3d = get3DView()
+        let sdk3dEntity = sdk3d.viewer.entities.getById(this.options.id)
+        return sdk3dEntity.polyline.oriRepeatX
+      }
     }
-
-    if (this.sdk.viewer.scene.mode === Cesium.SceneMode.SCENE3D) {
-      return repeatX
-    } else {
-      let sdk3d = get3DView()
-      let sdk3dEntity = sdk3d.viewer.entities.getById(this.options.id)
-      return sdk3dEntity.polyline.oriRepeatX
-    }
-
   }
 
   /*创建直箭头图片*/