update

product/laser/en-us/_sidebar.md

@@ -36,4 +36,5 @@
   * [Alter the position](calibrationpoint.md)
   * [Correct the errant points](disorderedpoints.md)
 * Crop Point Cloud
-  * [Notices before crop](before_crop.md)
+  * [Notices before crop](before_crop.md)
+  * [Crop Point Cloud](croppointcloud.md)

product/laser/en-us/croppointcloud.md

@@ -0,0 +1,2 @@
+### Crop Point Cloud<!-- {docsify-ignore} -->
+[filename](videos/croppointcloud.mp4 ':include :type=video width=100% height=100% controls')

product/laser/zh-cn/_sidebar.md

@@ -40,4 +40,5 @@
   * [调整带地理坐标的点位](rtkpc.md)
   * [点位被重置](pointresetted.md)
 * 裁剪点云
-  * [裁剪点云须知](before_crop.md)
+  * [裁剪点云须知](before_crop.md)
+  * [如何裁剪点云](croppointcloud.md)

product/laser/zh-cn/croppointcloud.md

@@ -0,0 +1,2 @@
+### 如何裁剪点云<!-- {docsify-ignore} -->
+[filename](videos/裁剪点云.mp4 ':include :type=video width=100% height=100% controls')