Fix oberver consume 100% cpu if no outbound selected

app/observatory/observer.go

@@ -78,6 +78,12 @@ func (o *Observer) background() {
 			sleepTime = time.Duration(o.config.ProbeInterval)
 		}
 
+		if len(outbounds) == 0 {
+			errors.LogWarning(o.ctx, "no outbound matches subjectSelector ", o.config.SubjectSelector)
+			time.Sleep(sleepTime)
+			continue
+		}
+
 		if !o.config.EnableConcurrency {
 			sort.Strings(outbounds)
 			for _, v := range outbounds {

app/proxyman/outbound/handler.go

@@ -347,6 +347,7 @@ func (h *Handler) SetOutboundGateway(ctx context.Context, ob *session.Outbound)
 		// case addr.Family().IsDomain():
 		default:
 			ob.Gateway = addr
+
 		}
 
 	}

proxy/wireguard/client.go

@@ -138,7 +138,6 @@ func (h *Handler) Process(ctx context.Context, link *transport.Link, dialer inte
 	}
 	ob.Name = "wireguard"
 	ob.CanSpliceCopy = 3
-	dialer.SetOutboundGateway(ctx, ob)
 
 	if err := h.init(ctx); err != nil {
 		return err