From 5622d2fe0563977ffb39b1e9f0f20a2505499ad8 Mon Sep 17 00:00:00 2001
From: Fangliding <Fangliding.fshxy@outlook.com>
Date: Fri, 16 Oct 2026 03:41:16 +0800
Subject: [PATCH] detail

---
 transport/internet/sockopt_darwin.go  |  6 +++---
 transport/internet/sockopt_linux.go   |  2 +-
 transport/internet/sockopt_windows.go | 10 +++++-----
 3 files changed, 9 insertions(+), 9 deletions(-)

diff --git a/transport/internet/sockopt_darwin.go b/transport/internet/sockopt_darwin.go
index 762fadfec..144833e9b 100644
--- a/transport/internet/sockopt_darwin.go
+++ b/transport/internet/sockopt_darwin.go
@@ -136,15 +136,15 @@ func applyOutboundSocketOptions(network string, address string, fd uintptr, conf
 	if config.Interface != "" {
 		iface, err := net.InterfaceByName(config.Interface)
 		if err != nil {
-			return NewBindError(err)
+			return NewBindError(errors.New("failed to get interface ", config.Interface).Base(err))
 		}
 		if network == "tcp6" || network == "udp6" {
 			if err := unix.SetsockoptInt(int(fd), unix.IPPROTO_IPV6, unix.IPV6_BOUND_IF, iface.Index); err != nil {
-				return NewBindError(err)
+				return NewBindError(errors.New("failed to set IPV6_BOUND_IF").Base(err))
 			}
 		} else {
 			if err := unix.SetsockoptInt(int(fd), unix.IPPROTO_IP, unix.IP_BOUND_IF, iface.Index); err != nil {
-				return NewBindError(err)
+				return NewBindError(errors.New("failed to set IP_BOUND_IF").Base(err))
 			}
 		}
 	}
diff --git a/transport/internet/sockopt_linux.go b/transport/internet/sockopt_linux.go
index 251f44c71..ffe33bd05 100644
--- a/transport/internet/sockopt_linux.go
+++ b/transport/internet/sockopt_linux.go
@@ -22,7 +22,7 @@ func applyOutboundSocketOptions(network string, address string, fd uintptr, conf
 
 	if config.Interface != "" {
 		if err := syscall.BindToDevice(int(fd), config.Interface); err != nil {
-			return NewBindError(err)
+			return NewBindError(errors.New("failed to set Interface").Base(err))
 		}
 	}
 
diff --git a/transport/internet/sockopt_windows.go b/transport/internet/sockopt_windows.go
index 7d4a0db84..b3888bde5 100644
--- a/transport/internet/sockopt_windows.go
+++ b/transport/internet/sockopt_windows.go
@@ -35,7 +35,7 @@ func applyOutboundSocketOptions(network string, address string, fd uintptr, conf
 	if config.Interface != "" {
 		inf, err := net.InterfaceByName(config.Interface)
 		if err != nil {
-			return NewBindError(err)
+			return NewBindError(errors.New("failed to find the interface").Base(err))
 		}
 		// easy way to check if the address is ipv4
 		isV4 := strings.Contains(address, ".")
@@ -47,20 +47,20 @@ func applyOutboundSocketOptions(network string, address string, fd uintptr, conf
 			binary.BigEndian.PutUint32(bytes[:], uint32(inf.Index))
 			idx := *(*uint32)(unsafe.Pointer(&bytes[0]))
 			if err := syscall.SetsockoptInt(syscall.Handle(fd), syscall.IPPROTO_IP, IP_UNICAST_IF, int(idx)); err != nil {
-				return NewBindError(err)
+				return NewBindError(errors.New("failed to set IP_UNICAST_IF").Base(err))
 			}
 			if ip := net.ParseIP(host); ip != nil && ip.IsMulticast() && isUDPSocket(network) {
 				if err := syscall.SetsockoptInt(syscall.Handle(fd), syscall.IPPROTO_IP, syscall.IP_MULTICAST_IF, int(idx)); err != nil {
-					return NewBindError(err)
+					return NewBindError(errors.New("failed to set IP_MULTICAST_IF").Base(err))
 				}
 			}
 		} else {
 			if err := syscall.SetsockoptInt(syscall.Handle(fd), syscall.IPPROTO_IPV6, IPV6_UNICAST_IF, inf.Index); err != nil {
-				return NewBindError(err)
+				return NewBindError(errors.New("failed to set IPV6_UNICAST_IF").Base(err))
 			}
 			if ip := net.ParseIP(host); ip != nil && ip.IsMulticast() && isUDPSocket(network) {
 				if err := syscall.SetsockoptInt(syscall.Handle(fd), syscall.IPPROTO_IPV6, syscall.IPV6_MULTICAST_IF, inf.Index); err != nil {
-					return NewBindError(err)
+					return NewBindError(errors.New("failed to set IPV6_MULTICAST_IF").Base(err))
 				}
 			}
 		}