Take letter logo from public/system.
Take letter logo from public/system.

hauledev/bookyt,huerlisi/bookyt,xuewenfei/bookyt,gaapt/bookyt,huerlisi/bookyt,wtag/bookyt,hauledev/bookyt,hauledev/bookyt,gaapt/bookyt,wtag/bookyt,xuewenfei/bookyt,silvermind/bookyt,huerlisi/bookyt,wtag/bookyt,hauledev/bookyt,gaapt/bookyt,xuewenfei/bookyt,silvermind/bookyt,gaapt/bookyt,silvermind/bookyt,silvermind/bookyt