Why small window is coming when participant is joining a meeting?

Meeting SDK Web
1

1366×768

This mini window is coming when participant is join in the meeting.I am using zoom web client SDK.

  1. How can I remove this mini window?
2

inspect this page and check zoom dom node <div id=“zmmtg-root”></div>, wherther it located in <body><div id=“zmmtg-root”></div></body>, and chek the body’s height and set width and height 100%. If it always work. send you demo code to me jackyang@zoom.us