Add rule-set

experimental/clashapi/proxies.go

@@ -100,8 +100,10 @@ func getProxies(server *Server, router adapter.Router) func(w http.ResponseWrite
 			allProxies = append(allProxies, detour.Tag())
 		}
 
-		defaultTag := router.DefaultOutbound(N.NetworkTCP).Tag()
-		if defaultTag == "" {
+		var defaultTag string
+		if defaultOutbound, err := router.DefaultOutbound(N.NetworkTCP); err == nil {
+			defaultTag = defaultOutbound.Tag()
+		} else {
 			defaultTag = allProxies[0]
 		}
 

experimental/clashapi/server_resources.go

@@ -51,7 +51,11 @@ func (s *Server) downloadExternalUI() error {
 		}
 		detour = outbound
 	} else {
-		detour = s.router.DefaultOutbound(N.NetworkTCP)
+		outbound, err := s.router.DefaultOutbound(N.NetworkTCP)
+		if err != nil {
+			return err
+		}
+		detour = outbound
 	}
 	httpClient := &http.Client{
 		Transport: &http.Transport{

experimental/clashapi/trafficontrol/tracker.go

@@ -94,7 +94,9 @@ func NewTCPTracker(conn net.Conn, manager *Manager, metadata Metadata, router ad
 	var chain []string
 	var next string
 	if rule == nil {
-		next = router.DefaultOutbound(N.NetworkTCP).Tag()
+		if defaultOutbound, err := router.DefaultOutbound(N.NetworkTCP); err == nil {
+			next = defaultOutbound.Tag()
+		}
 	} else {
 		next = rule.Outbound()
 	}
@@ -181,7 +183,9 @@ func NewUDPTracker(conn N.PacketConn, manager *Manager, metadata Metadata, route
 	var chain []string
 	var next string
 	if rule == nil {
-		next = router.DefaultOutbound(N.NetworkUDP).Tag()
+		if defaultOutbound, err := router.DefaultOutbound(N.NetworkUDP); err == nil {
+			next = defaultOutbound.Tag()
+		}
 	} else {
 		next = rule.Outbound()
 	}