Hi there, Lili, and welcome to OpenWetWare! We hope you find it to your liking. Here's a couple links you might find useful:
Also, please be aware that the general naming convention when creating a new page for a lab is
Labname:Page name. If you have any questions, feel free to contact me on my talk page. Good luck!
ps. You may want to check out this page: Special:Recentchanges/Yu_Lab It will track changes of only pages with Yu Lab in it.