##Author Lancelot（李丹阳 ID: 会敲代码的喵） from LinkedDestiny Studio（牵机工作室） Company：Bilibili
##Description A concise guide to php swoole extension.
##Contact simonarthur2012@gmail.com (Lancelot)
##Notice I'm sorry that I can't translate my book to English. If someone wants to help me, Please send an email to me, thanks