优化错误处理，替换 errors.Wrap 为 fmt.Errorf

server/fwd/dispatcher/dispatch.go

@@ -2,6 +2,7 @@ package dispatcher
 
 import (
 	"context"
+	"fmt"
 	"log/slog"
 	"net"
 	"proxy-server/pkg/utils"
@@ -13,7 +14,7 @@ import (
 	"strings"
 	"time"
 
-	"github.com/pkg/errors"
+	"errors"
 	"github.com/soheilhy/cmux"
 )
 
@@ -48,7 +49,7 @@ func (s *Server) Run() error {
 
 	ls, err := net.Listen("tcp", ":"+port)
 	if err != nil {
-		return errors.Wrap(err, "dispatcher 监听失败")
+		return fmt.Errorf("dispatcher 监听失败: %w", err)
 	}
 	defer utils.Close(ls)
 
@@ -83,7 +84,7 @@ func (s *Server) Run() error {
 		defer close(errCh)
 		err = m.Serve()
 		if err != nil {
-			err = errors.Wrap(err, "dispatcher serve error")
+			err = fmt.Errorf("dispatcher serve error: %w", err)
 		}
 		errCh <- err
 	}()
@@ -110,7 +111,7 @@ func (s *Server) acceptHttp(ls net.Listener) error {
 			if errors.As(err, &ne) && ne.Temporary() {
 				continue
 			}
-			return errors.Wrap(err, "dispatcher http accept error")
+			return fmt.Errorf("dispatcher http accept error: %w", err)
 		}
 
 		metrics.TimerStart.Store(conn, time.Now())
@@ -142,7 +143,7 @@ func (s *Server) acceptSocks(ls net.Listener) error {
 			if errors.As(err, &ne) && ne.Temporary() {
 				continue
 			}
-			return errors.Wrap(err, "dispatcher socks accept error")
+			return fmt.Errorf("dispatcher socks accept error: %w", err)
 		}
 
 		metrics.TimerStart.Store(conn, time.Now())