diff --git a/internal/config/query.go b/internal/config/query.go
index 1960a70..cbe4de0 100644
--- a/internal/config/query.go
+++ b/internal/config/query.go
@@ -2,36 +2,25 @@ package config
 
 import (
 	config "github.com/yusing/go-proxy/internal/config/types"
-	"github.com/yusing/go-proxy/internal/route"
 	"github.com/yusing/go-proxy/internal/route/provider"
 )
 
-func (cfg *Config) DumpRoutes() map[string]*route.Route {
-	entries := make(map[string]*route.Route)
-	cfg.providers.RangeAll(func(_ string, p *provider.Provider) {
-		p.RangeRoutes(func(alias string, r *route.Route) {
-			entries[alias] = r
-		})
-	})
-	return entries
-}
-
 func (cfg *Config) DumpRouteProviders() map[string]*provider.Provider {
-	entries := make(map[string]*provider.Provider)
-	cfg.providers.RangeAll(func(_ string, p *provider.Provider) {
+	entries := make(map[string]*provider.Provider, cfg.providers.Size())
+	for _, p := range cfg.providers.Range {
 		entries[p.ShortName()] = p
-	})
+	}
 	return entries
 }
 
 func (cfg *Config) RouteProviderList() []config.RouteProviderListResponse {
-	var list []config.RouteProviderListResponse
-	cfg.providers.RangeAll(func(_ string, p *provider.Provider) {
+	list := make([]config.RouteProviderListResponse, 0, cfg.providers.Size())
+	for _, p := range cfg.providers.Range {
 		list = append(list, config.RouteProviderListResponse{
 			ShortName: p.ShortName(),
 			FullName:  p.String(),
 		})
-	})
+	}
 	return list
 }
 
@@ -40,13 +29,13 @@ func (cfg *Config) Statistics() map[string]any {
 	var total uint16
 	providerStats := make(map[string]provider.ProviderStats)
 
-	cfg.providers.RangeAll(func(_ string, p *provider.Provider) {
+	for _, p := range cfg.providers.Range {
 		stats := p.Statistics()
 		providerStats[p.ShortName()] = stats
 		rps.AddOther(stats.RPs)
 		streams.AddOther(stats.Streams)
 		total += stats.RPs.Total + stats.Streams.Total
-	})
+	}
 
 	return map[string]any{
 		"total":           total,
diff --git a/internal/route/provider/provider.go b/internal/route/provider/provider.go
index d0b6c54..258f7d3 100644
--- a/internal/route/provider/provider.go
+++ b/internal/route/provider/provider.go
@@ -137,9 +137,11 @@ func (p *Provider) Start(parent task.Parent) gperr.Error {
 	return nil
 }
 
-func (p *Provider) RangeRoutes(do func(string, *route.Route)) {
+func (p *Provider) IterRoutes(yield func(string, *route.Route) bool) {
 	for alias, r := range p.routes {
-		do(alias, r)
+		if !yield(alias, r) {
+			break
+		}
 	}
 }