update

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

@@ -9,8 +9,8 @@ Note that if you use a http video address, it cannot be opened using the https n
 Step 1: Please log in to http://cam.4dkankan.com/ using your account.<br>
 Step 2: After logging in successfully, use http://cam to view the page. 
 
-For example:
-Original URL: https://www.4dkankan.com/spg.html?m=KK-t-7YPpJH5GJ5U&lang=zh
+For example:<br>
+Original URL: https://www.4dkankan.com/spg.html?m=KK-t-7YPpJH5GJ5U&lang=zh<br>
 Modify to: http://cam.4dkankan.com/spg.html?m=KK-t-7YPpJH5GJ5U&lang=zh
 
 #### Video tutorial<!-- {docsify-ignore} -->

product/laser/zh-cn/view.md

@@ -2,4 +2,4 @@
 
 如您在查看场景时，鼠标旋转场景出现场景看不见或者看不全的情况，请按如下视频教程操作：
 
-[filename](videos/激光操作视频.mp4 ':include :type=video width=100% height=100% controls')
+[filename](videos/viewzh.mp4 ':include :type=video width=100% height=100% controls')