diff --git a/go/cmd/nekobox_core/go.mod b/go/cmd/nekobox_core/go.mod
index c6aa6b8..278ab9e 100644
--- a/go/cmd/nekobox_core/go.mod
+++ b/go/cmd/nekobox_core/go.mod
@@ -4,7 +4,7 @@ go 1.19
 
 require (
 	github.com/matsuridayo/libneko v0.0.0-20230315005352-9d7e3f3a79d1
-	github.com/matsuridayo/sing-box-extra v0.0.0-20230404135215-f6737f68d71c
+	github.com/matsuridayo/sing-box-extra v0.0.0-20230405052125-4308a4d39f94
 	github.com/sagernet/sing-box v1.2.3-0.20230402040603-f8be48401998
 	grpc_server v1.0.0
 )
diff --git a/go/cmd/nekobox_core/go.sum b/go/cmd/nekobox_core/go.sum
index c012107..666e9cf 100644
--- a/go/cmd/nekobox_core/go.sum
+++ b/go/cmd/nekobox_core/go.sum
@@ -95,8 +95,8 @@ github.com/logrusorgru/aurora v2.0.3+incompatible h1:tOpm7WcpBTn4fjmVfgpQq0EfczG
 github.com/logrusorgru/aurora v2.0.3+incompatible/go.mod h1:7rIyQOR62GCctdiQpZ/zOJlFyk6y+94wXzv6RNZgaR4=
 github.com/matsuridayo/libneko v0.0.0-20230315005352-9d7e3f3a79d1 h1:+FflyEuq2hn++MENFuT1/qFHz0KITKK/F6ZHxs23mrg=
 github.com/matsuridayo/libneko v0.0.0-20230315005352-9d7e3f3a79d1/go.mod h1:IRO07Queptz/rGFvEW+3Hmwpx7MCup6WiDs4p5jMt4g=
-github.com/matsuridayo/sing-box-extra v0.0.0-20230404135215-f6737f68d71c h1:dLXFFqBQXNCXAkLH9KURnSe4rwkCe3h/5BXsmwGKmXI=
-github.com/matsuridayo/sing-box-extra v0.0.0-20230404135215-f6737f68d71c/go.mod h1:MJNdOWGkzlQilH83i2lG5aSZx1IA8Y6Ywnn8Je9y5lY=
+github.com/matsuridayo/sing-box-extra v0.0.0-20230405052125-4308a4d39f94 h1:gCsJ1fmhpR0S8F2eJSWum+D8qVtvlo7m2kUNOijyH/s=
+github.com/matsuridayo/sing-box-extra v0.0.0-20230405052125-4308a4d39f94/go.mod h1:MJNdOWGkzlQilH83i2lG5aSZx1IA8Y6Ywnn8Je9y5lY=
 github.com/mholt/acmez v1.1.0 h1:IQ9CGHKOHokorxnffsqDvmmE30mDenO1lptYZ1AYkHY=
 github.com/mholt/acmez v1.1.0/go.mod h1:zwo5+fbLLTowAX8o8ETfQzbDtwGEXnPhkmGdKIP+bgs=
 github.com/miekg/dns v1.1.53 h1:ZBkuHr5dxHtB1caEOlZTLPo7D3L3TWckgUUs/RHfDxw=
diff --git a/go/cmd/nekobox_core/grpc_box.go b/go/cmd/nekobox_core/grpc_box.go
index 20c0c6c..3cf4ec2 100644
--- a/go/cmd/nekobox_core/grpc_box.go
+++ b/go/cmd/nekobox_core/grpc_box.go
@@ -146,7 +146,7 @@ func (s *server) Test(ctx context.Context, in *gen.TestReq) (out *gen.TestResp,
 func (s *server) QueryStats(ctx context.Context, in *gen.QueryStatsReq) (out *gen.QueryStatsResp, _ error) {
 	out = &gen.QueryStatsResp{}
 
-	if instance != nil && instance.Router().V2RayServer() != nil {
+	if instance != nil {
 		if ss, ok := instance.Router().V2RayServer().(*boxapi.SbV2rayServer); ok {
 			out.Traffic = ss.QueryStats(fmt.Sprintf("outbound>>>%s>>>traffic>>>%s", in.Tag, in.Direct))
 		}