diff --git a/cmd/client/main.go b/cmd/client/main.go
index cdc835c..e9e504c 100644
--- a/cmd/client/main.go
+++ b/cmd/client/main.go
@@ -4,8 +4,6 @@ import (
 	"bufio"
 	"encoding/binary"
 	"fmt"
-	"github.com/joho/godotenv"
-	"github.com/pkg/errors"
 	"io"
 	"log/slog"
 	"net"
@@ -13,6 +11,9 @@ import (
 	"proxy-server/pkg/utils"
 	"strconv"
 	"time"
+
+	"github.com/joho/godotenv"
+	"github.com/pkg/errors"
 )
 
 type Config struct {
@@ -53,7 +54,7 @@ func control() error {
 	if err != nil {
 		return errors.Wrap(err, "连接失败")
 	}
-	defer utils.Close(&conn)
+	defer utils.Close(conn)
 
 	// 请求转发端口
 	slog.Info("注册转发端口", "port", cfg.FwdPort)
@@ -96,7 +97,7 @@ func data(tagLen byte, tagBuf []byte) error {
 	if err != nil {
 		return errors.Wrap(err, "连接失败")
 	}
-	defer utils.Close(&src)
+	defer utils.Close(src)
 
 	// 发送 tag
 	slog.Info("准备代理流量")
@@ -126,7 +127,7 @@ func data(tagLen byte, tagBuf []byte) error {
 	if err != nil {
 		return errors.Wrap(err, "连接失败")
 	}
-	defer utils.Close(&dest)
+	defer utils.Close(dest)
 
 	slog.Info("开始代理流量 " + src.RemoteAddr().String() + " <-> " + dest.RemoteAddr().String())
 	timer := time.Now()
diff --git a/pkg/utils/utils.go b/pkg/utils/utils.go
index d0ef909..c288da2 100644
--- a/pkg/utils/utils.go
+++ b/pkg/utils/utils.go
@@ -24,15 +24,10 @@ func ReadBuffer(reader io.Reader, size int) ([]byte, error) {
 	return buffer, nil
 }
 
-func Close[T any](v *T) {
-	if v == nil {
-		return
-	}
-	closer, ok := any(*v).(io.Closer)
-	if ok {
-		err := closer.Close()
-		if err != nil {
-			slog.Warn("对象关闭失败", "err", err)
-		}
+// Close 关闭对象，传入值绝对不能为 nil
+func Close[T io.Closer](v T) {
+	err := v.Close()
+	if err != nil {
+		slog.Warn("对象关闭失败", "err", err)
 	}
 }