QStatemachine and parallel states

I\'m going crazy with QStateMachine wth ParallelState. I\'ve a main state (sequential) which contain a first state,

How to get this Qt state machine to work?

I have two widgets that can be checked, and a numeric entry field that should contain a value greater than zero. Whenever both widgets have been checked, and the numeric entry field contains a value g

lnmp环境，如何把平常的用户ip地址添加到一个白名单中，可以让这些ip地址正常访问，iptable？