update

product/4dkk/en-us/addobj.md

@@ -1,5 +1,7 @@
 ## Tutorial for model upload
-1、Size of zip files should not exceeds 5MB; <br>
-2、Only 3D models in the obj format are supported；<br>
-3、Only zip format supported；<br>
-4、The packaged file must not contain folders. All files, such as maps, models, and mtl files, should be placed in the root directory.
+1. Size of zip files should not exceeds 5MB; <br>
+2. Only 3D models in the obj format are supported；<br>
+3. Only zip format supported；<br>
+4. The package file needs to contain three files: textures, models, and mtl files;<br>
+5. The packaged file must not contain folders. All files, such as maps, models, and mtl files, should be placed in the root directory, as shown below:<br>
+![](images/uploadobj.jpg)

product/4dkk/zh-cn/addobj.md

@@ -2,4 +2,6 @@
 1、文件大小需小于 5MB；<br>
 2、仅支持 obj 格式三维模型；<br>
 3、打包文件格式需为 zip；<br>
-4、打包文件内不得包含文件夹。所有文件如贴图、模型、mtl文件等需放在根目录下。
+4、打包文件需包含贴图、模型、mtl文件；<br>
+5、打包文件内不得包含文件夹。所有文件如贴图、模型、mtl文件等需放在根目录下，如下图：<br>
+![](images/uploadobj.jpg)

product/laser/en-us/before_crop.md

@@ -1,3 +1,3 @@
-### 裁剪点云须知<br>
-1. 在进行裁剪点云之前，请确保场景不需要补拍或者校准点云之类涉及到计算的操作，否则还原裁剪效果；<br>
-2. 点位无法裁剪，如果点位周围的点云被裁剪，该点位和全景图将会被保留。
+### Clipping Point Cloud Instructions<br>
+1. Before cropping the point cloud, please make sure that the scene does not need to retake or calibrate the point cloud and other calculation-related operations, otherwise the cropping will be lost ；<br>
+2. Points cannot be clipped. If the point cloud around the point is clipped, the point and panorama will be preserved.