业务被触发 时，从BCP进入整体业务逻辑（GSL）处理的始发点。 返回点(POR)：在整体业务逻辑（GSL）处理结束后，返 回到BCP继续呼叫处理的终结点。 -Business was triggered when, from the BCP into the overall business logic (GSL) deal with the starting point. Return point (POR): in the overall business logic (GSL