diff --git a/route/rule/rule_default.go b/route/rule/rule_default.go
index 5c37b415..a5d47b44 100644
--- a/route/rule/rule_default.go
+++ b/route/rule/rule_default.go
@@ -219,8 +219,7 @@ func NewDefaultRule(ctx context.Context, logger log.ContextLogger, options optio
 		rule.allItems = append(rule.allItems, item)
 	}
 	if options.ClashMode != "" {
-		clashServer := service.FromContext[adapter.ClashServer](ctx)
-		item := NewClashModeItem(clashServer, options.ClashMode)
+		item := NewClashModeItem(ctx, options.ClashMode)
 		rule.items = append(rule.items, item)
 		rule.allItems = append(rule.allItems, item)
 	}
diff --git a/route/rule/rule_dns.go b/route/rule/rule_dns.go
index ecb68ece..4ac08a5a 100644
--- a/route/rule/rule_dns.go
+++ b/route/rule/rule_dns.go
@@ -216,8 +216,7 @@ func NewDefaultDNSRule(ctx context.Context, logger log.ContextLogger, options op
 		rule.allItems = append(rule.allItems, item)
 	}
 	if options.ClashMode != "" {
-		clashServer := service.FromContext[adapter.ClashServer](ctx)
-		item := NewClashModeItem(clashServer, options.ClashMode)
+		item := NewClashModeItem(ctx, options.ClashMode)
 		rule.items = append(rule.items, item)
 		rule.allItems = append(rule.allItems, item)
 	}
diff --git a/route/rule/rule_item_clash_mode.go b/route/rule/rule_item_clash_mode.go
index 4f9bc7ea..fe2347a0 100644
--- a/route/rule/rule_item_clash_mode.go
+++ b/route/rule/rule_item_clash_mode.go
@@ -1,25 +1,33 @@
 package rule
 
 import (
+	"context"
 	"strings"
 
 	"github.com/sagernet/sing-box/adapter"
+	"github.com/sagernet/sing/service"
 )
 
 var _ RuleItem = (*ClashModeItem)(nil)
 
 type ClashModeItem struct {
+	ctx         context.Context
 	clashServer adapter.ClashServer
 	mode        string
 }
 
-func NewClashModeItem(clashServer adapter.ClashServer, mode string) *ClashModeItem {
+func NewClashModeItem(ctx context.Context, mode string) *ClashModeItem {
 	return &ClashModeItem{
-		clashServer: clashServer,
-		mode:        mode,
+		ctx:  ctx,
+		mode: mode,
 	}
 }
 
+func (r *ClashModeItem) Start() error {
+	r.clashServer = service.FromContext[adapter.ClashServer](r.ctx)
+	return nil
+}
+
 func (r *ClashModeItem) Match(metadata *adapter.InboundContext) bool {
 	if r.clashServer == nil {
 		return false