diff --git a/client/main.go b/client/main.go
index 159272b..95de183 100644
--- a/client/main.go
+++ b/client/main.go
@@ -10,9 +10,10 @@ import (
 	"fmt"
 	"net"
 	"net/netip"
-	"socket/utils"
 	"time"
 
+	"github.com/fumiama/aes-rsa-tcp-demo/utils"
+
 	base14 "github.com/fumiama/go-base16384"
 )
 
@@ -105,10 +106,6 @@ func main() {
 			fmt.Println("Read packet from server", conn.RemoteAddr(), "error:", err)
 			return
 		}
-		if err != nil {
-			fmt.Println("Receive from server", conn.RemoteAddr(), "error:", err)
-			continue
-		}
 		data, err = utils.RSAPublicKeyDecrypt(rsapubk, packet.Dat)
 		if err != nil {
 			fmt.Println("RSAPublicKeyDecrypt from server", conn.RemoteAddr(), "error:", err)
diff --git a/go.mod b/go.mod
index 3f2a149..fb47c79 100644
--- a/go.mod
+++ b/go.mod
@@ -1,4 +1,4 @@
-module socket
+module github.com/fumiama/aes-rsa-tcp-demo
 
 go 1.17
 
diff --git a/server/main.go b/server/main.go
index 889e7a4..7ebfe41 100644
--- a/server/main.go
+++ b/server/main.go
@@ -13,10 +13,11 @@ import (
 	"net"
 	"net/netip"
 	"os"
-	"socket/utils"
 	"strconv"
 	"sync/atomic"
 
+	"github.com/fumiama/aes-rsa-tcp-demo/utils"
+
 	base14 "github.com/fumiama/go-base16384"
 )