diff --git a/custom/command_client.go b/custom/command_client.go
index fbdc8e9..12466ed 100644
--- a/custom/command_client.go
+++ b/custom/command_client.go
@@ -20,6 +20,10 @@ func (cch *CommandClientHandler) Disconnected(message string) {
 	fmt.Printf("disconnected: %s\n", message)
 }
 
+func (cch *CommandClientHandler) ClearLog() {
+	fmt.Println("clear log")
+}
+
 func (cch *CommandClientHandler) WriteLog(message string) {
 	fmt.Printf("new log: %s\n", message)
 }
diff --git a/custom/service.go b/custom/service.go
index b1e05bd..b677c98 100644
--- a/custom/service.go
+++ b/custom/service.go
@@ -3,6 +3,7 @@ package main
 import (
 	"context"
 	"os"
+	runtimeDebug "runtime/debug"
 
 	B "github.com/sagernet/sing-box"
 	"github.com/sagernet/sing-box/common/urltest"
@@ -30,6 +31,7 @@ func Setup(basePath string, workingPath string, tempPath string) {
 }
 
 func NewService(options option.Options) (*libbox.BoxService, error) {
+	runtimeDebug.FreeOSMemory()
 	ctx, cancel := context.WithCancel(context.Background())
 	ctx = filemanager.WithDefault(ctx, sWorkingPath, sTempPath, sUserID, sGroupID)
 	urlTestHistoryStorage := urltest.NewHistoryStorage()
@@ -44,6 +46,7 @@ func NewService(options option.Options) (*libbox.BoxService, error) {
 		cancel()
 		return nil, E.Cause(err, "create service")
 	}
+	runtimeDebug.FreeOSMemory()
 	service := libbox.NewBoxService(
 		ctx,
 		cancel,
diff --git a/go.mod b/go.mod
index c72dce3..34b4e9b 100644
--- a/go.mod
+++ b/go.mod
@@ -52,9 +52,9 @@ require (
 	github.com/sagernet/bbolt v0.0.0-20231008142710-b2d6e2f20458 // indirect
 	github.com/sagernet/cloudflare-tls v0.0.0-20230829051644-4a68352d0c4a // indirect
 	github.com/sagernet/go-tun2socks v1.16.12-0.20220818015926-16cb67876a61 // indirect
-	github.com/sagernet/gvisor v0.0.0-20230930141345-5fef6f2e17ab // indirect
+	github.com/sagernet/gvisor v0.0.0-20230627031050-1ab0276e0dd2 // indirect
 	github.com/sagernet/netlink v0.0.0-20220905062125-8043b4a9aa97 // indirect
-	github.com/sagernet/quic-go v0.0.0-20231001051131-0fc736a289bb // indirect
+	github.com/sagernet/quic-go v0.0.0-20230919101909-0cc6c5dcecee // indirect
 	github.com/sagernet/reality v0.0.0-20230406110435-ee17307e7691 // indirect
 	github.com/sagernet/sing-mux v0.1.3 // indirect
 	github.com/sagernet/sing-quic v0.1.2 // indirect
diff --git a/go.sum b/go.sum
index 0ca962e..44408ad 100644
--- a/go.sum
+++ b/go.sum
@@ -107,12 +107,12 @@ github.com/sagernet/go-tun2socks v1.16.12-0.20220818015926-16cb67876a61 h1:5+m7c
 github.com/sagernet/go-tun2socks v1.16.12-0.20220818015926-16cb67876a61/go.mod h1:QUQ4RRHD6hGGHdFMEtR8T2P6GS6R3D/CXKdaYHKKXms=
 github.com/sagernet/gomobile v0.0.0-20230915142329-c6740b6d2950 h1:hUz/2mJLgi7l2H36JGpDY+jou9FmI6kAm0ZkU+xPpgE=
 github.com/sagernet/gomobile v0.0.0-20230915142329-c6740b6d2950/go.mod h1:5YE39YkJkCcMsfq1jMKkjsrM2GfBoF9JVWnvU89hmvU=
-github.com/sagernet/gvisor v0.0.0-20230930141345-5fef6f2e17ab h1:u+xQoi/Yc6bNUvTfrDD6HhGRybn2lzrhf5vmS+wb4Ho=
-github.com/sagernet/gvisor v0.0.0-20230930141345-5fef6f2e17ab/go.mod h1:3akUhSHSVtLuJaYcW5JPepUraBOW06Ibz2HKwaK5rOk=
+github.com/sagernet/gvisor v0.0.0-20230627031050-1ab0276e0dd2 h1:dnkKrzapqtAwjTSWt6hdPrARORfoYvuUczynvRLrueo=
+github.com/sagernet/gvisor v0.0.0-20230627031050-1ab0276e0dd2/go.mod h1:1JUiV7nGuf++YFm9eWZ8q2lrwHmhcUGzptMl/vL1+LA=
 github.com/sagernet/netlink v0.0.0-20220905062125-8043b4a9aa97 h1:iL5gZI3uFp0X6EslacyapiRz7LLSJyr4RajF/BhMVyE=
 github.com/sagernet/netlink v0.0.0-20220905062125-8043b4a9aa97/go.mod h1:xLnfdiJbSp8rNqYEdIW/6eDO4mVoogml14Bh2hSiFpM=
-github.com/sagernet/quic-go v0.0.0-20231001051131-0fc736a289bb h1:jlrVCepGBoob4QsPChIbe1j0d/lZSJkyVj2ukX3D4PE=
-github.com/sagernet/quic-go v0.0.0-20231001051131-0fc736a289bb/go.mod h1:uJGpmJCOcMQqMlHKc3P1Vz6uygmpz4bPeVIoOhdVQnM=
+github.com/sagernet/quic-go v0.0.0-20230919101909-0cc6c5dcecee h1:ykuhl9jCS638N+jw1vC9AvT9bbQn6xRNScP2FWPV9dM=
+github.com/sagernet/quic-go v0.0.0-20230919101909-0cc6c5dcecee/go.mod h1:0CfhWwZAeXGYM9+Nkkw1zcQtFHQC8KWjbpeDv7pu8iw=
 github.com/sagernet/reality v0.0.0-20230406110435-ee17307e7691 h1:5Th31OC6yj8byLGkEnIYp6grlXfo1QYUfiYFGjewIdc=
 github.com/sagernet/reality v0.0.0-20230406110435-ee17307e7691/go.mod h1:B8lp4WkQ1PwNnrVMM6KyuFR20pU8jYBD+A4EhJovEXU=
 github.com/sagernet/sing v0.0.0-20220817130738-ce854cda8522/go.mod h1:QVsS5L/ZA2Q5UhQwLrn0Trw+msNd/NPGEhBKR/ioWiY=