diff --git a/.gitignore b/.gitignore
index 4e0ab31..2cc69a3 100644
--- a/.gitignore
+++ b/.gitignore
@@ -5,7 +5,7 @@ __debug_bin*
 *.pdf
 bin
 upx
-gotools
+go2
 *.exe
 fyne_metadata_init.go
 fyne.syso
diff --git a/Dockerfile b/Dockerfile
index 5901774..e692ce2 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -16,7 +16,7 @@ COPY --from=tonistiigi/xx:golang / /
 ARG TARGETOS TARGETARCH TARGETVARIANT
 
 RUN echo 111111111111
-COPY gotools /go/src/gotools
+COPY go2 /go/src/go2
 COPY goodlink2 /go/src/goodlink2
 
 RUN --mount=target=. \
diff --git a/Makefile b/Makefile
index e3e1d15..c35d3a1 100644
--- a/Makefile
+++ b/Makefile
@@ -6,9 +6,9 @@ BuildTime=$(shell date +'%Y-%m-%d %H:%M:%S')
 GOBUILD=GO111MODULE=on \
 		GOPROXY="https://goproxy.cn,direct" \
 		go build -trimpath -ldflags \
-		'-X "gotools.GitCommitLog=$(GitCommitLog)" \
-    	-X "gotools.GitStatus=$(GitStatus)" \
-    	-X "gotools.BuildTime=$(BuildTime)" \
+		'-X "go2.GitCommitLog=$(GitCommitLog)" \
+    	-X "go2.GitStatus=$(GitStatus)" \
+    	-X "go2.BuildTime=$(BuildTime)" \
 		-w -s -buildid='
 
 PLATFORM_LIST = \
diff --git a/build.sh b/build.sh
index 11aed18..2b6a8b7 100755
--- a/build.sh
+++ b/build.sh
@@ -2,8 +2,8 @@
 
 set -x
 
-rm -rf gotools goodlink2
-cp -r ../gotools .
+rm -rf go2 goodlink2
+cp -r ../go2 .
 cp -r ../goodlink2 .
 
 if [ -e "/usr/bin/upx" ]; then
@@ -26,7 +26,7 @@ docker pull tonistiigi/xx:golang
 
 docker buildx build --platform linux/amd64 -t dev/goodlink:latest .
 
-rm -rf gotools goodlink2 upx
+rm -rf go2 goodlink2 upx
 
 sed -i "/$BUILD_TIME/s/$BUILD_TIME/111111111111/g" Dockerfile
 
diff --git a/config/args.go b/config/args.go
index f5376df..bf20434 100644
--- a/config/args.go
+++ b/config/args.go
@@ -3,7 +3,7 @@ package config
 import (
 	"flag"
 	"fmt"
-	"gotools"
+	"go2"
 	"os"
 )
 
@@ -54,7 +54,7 @@ func Help(ver string) {
 
 	if *v {
 		fmt.Printf("Version: %s\n", ver)
-		fmt.Print(gotools.BuildVersion())
+		fmt.Print(go2.BuildVersion())
 		os.Exit(0)
 	}
 }
diff --git a/config/config.go b/config/config.go
index 1f82a7c..1b5b59b 100644
--- a/config/config.go
+++ b/config/config.go
@@ -3,8 +3,8 @@ package config
 import (
 	"crypto/tls"
 	"encoding/json"
+	"go2"
 	"goodlink/aes"
-	"gotools"
 	"io"
 	"net/http"
 	"time"
@@ -38,7 +38,7 @@ func Init() error {
 	var err error
 	var resp *http.Response
 
-	if res = gotools.Utils().FileReadAll("config.json"); res == nil {
+	if res = go2.Utils().FileReadAll("config.json"); res == nil {
 		client := &http.Client{
 			Transport: &http.Transport{
 				TLSClientConfig: &tls.Config{
@@ -70,8 +70,8 @@ func Init() error {
 
 		body, _ := json.Marshal(configInfo)
 		temp3 := aes.Encrypt(body, "goodlink")
-		gotools.Utils().FileDel("config.json")
-		gotools.Utils().FileAppend("config.json", []byte(temp3))
+		go2.Utils().FileDel("config.json")
+		go2.Utils().FileAppend("config.json", []byte(temp3))
 	*/
 	return nil
 }
diff --git a/go.mod b/go.mod
index 3acbd25..c653f4c 100644
--- a/go.mod
+++ b/go.mod
@@ -17,7 +17,7 @@ require (
 	golang.org/x/sys v0.34.0
 	golang.zx2c4.com/wireguard v0.0.0-20250521234502-f333402bd9cb
 	goodlink2 v0.0.0
-	gotools v0.0.0
+	go2 v0.0.0
 	gvisor.dev/gvisor v0.0.0-20250806010417-2099bc1c6a2e
 )
 
@@ -92,7 +92,7 @@ require (
 	gopkg.in/yaml.v3 v3.0.1 // indirect
 )
 
-replace gotools => ../gotools
+replace go2 => ../go2
 
 replace goodlink2 => ../goodlink2
 
diff --git a/netstack/setup_windows.go b/netstack/setup_windows.go
index 1f2c469..0d9e007 100644
--- a/netstack/setup_windows.go
+++ b/netstack/setup_windows.go
@@ -5,8 +5,8 @@ package netstack
 import (
 	"crypto/tls"
 	"fmt"
+	"go2"
 	"goodlink/winipcfg"
-	"gotools"
 	"io"
 	"net/http"
 	"net/netip"
@@ -70,7 +70,7 @@ func InitWintunDll() error {
 		return err
 	}
 
-	gotools.Utils().FileAppend("wintun.dll", res)
+	go2.Utils().FileAppend("wintun.dll", res)
 
 	return nil
 }
diff --git a/ui2/start.go b/ui2/start.go
index 441187b..e9de6eb 100644
--- a/ui2/start.go
+++ b/ui2/start.go
@@ -4,7 +4,7 @@ package ui2
 
 import (
 	"encoding/json"
-	"gotools"
+	"go2"
 	"log"
 	"os"
 	"sync"
@@ -89,7 +89,7 @@ func start_button_click() {
 		})
 		log.Println(string(configByte))
 		os.Remove("goodlink.json")
-		gotools.Utils().FileAppend("goodlink.json", configByte)
+		go2.Utils().FileAppend("goodlink.json", configByte)
 	}
 
 	switch m_stats_start_button {
diff --git a/ui2/ui.go b/ui2/ui.go
index 17d3e01..53ea5d1 100644
--- a/ui2/ui.go
+++ b/ui2/ui.go
@@ -4,7 +4,7 @@ package ui2
 
 import (
 	"encoding/json"
-	"gotools"
+	"go2"
 	"log"
 
 	"goodlink/config"
@@ -37,7 +37,7 @@ const (
 
 func GetMainUI(myWindow *fyne.Window) *fyne.Container {
 	var configInfo config.ConfigInfo
-	json.Unmarshal(gotools.Utils().FileReadAll("goodlink.json"), &configInfo)
+	json.Unmarshal(go2.Utils().FileReadAll("goodlink.json"), &configInfo)
 	log.Println(configInfo)
 
 	m_validated_key = widget.NewEntry()