refactor: WireGuard endpoint

protocol/mixed/inbound.go

@@ -54,7 +54,10 @@ func NewInbound(ctx context.Context, router adapter.Router, logger log.ContextLo
 	return inbound, nil
 }
 
-func (h *Inbound) Start() error {
+func (h *Inbound) Start(stage adapter.StartStage) error {
+	if stage != adapter.StartStateStart {
+		return nil
+	}
 	return h.listener.Start()
 }