func (self *EventDispatcher) CallHandlers(id int, c netdef.IPacketContext) {
if self.capturePanic {
defer func() {
if err := recover(); err != nil {
log.Printf("id: %x panic: %v", id, err) // 这里的err其实就是panic传入的内容，55
}
}()
}
em, ok := self.eventHandlers[id]
if ok && len(em) > 0 {
c.CallHandlers(em)
}
}
