From c9cbc7b40316e9c121937d542d970e17b049c216 Mon Sep 17 00:00:00 2001
From: Shiming Zhang <wzshiming@foxmail.com>
Date: Wed, 29 Sep 2021 15:53:25 +0800
Subject: [PATCH] fmt.Errorf instead of errors.New

---
 chain/bridge.go          | 3 +--
 config/config.go         | 3 +--
 internal/warp/address.go | 4 ++--
 3 files changed, 4 insertions(+), 6 deletions(-)

diff --git a/chain/bridge.go b/chain/bridge.go
index 41b1150..bf64c5a 100644
--- a/chain/bridge.go
+++ b/chain/bridge.go
@@ -2,7 +2,6 @@ package chain
 
 import (
 	"context"
-	"errors"
 	"fmt"
 	"io"
 	"io/ioutil"
@@ -68,7 +67,7 @@ func BridgeWithConfig(ctx context.Context, chain config.Chain, d bool) error {
 		}
 		l, ok := d.(bridge.ListenConfig)
 		if !ok || l == nil {
-			return errors.New("the last proxy could not listen")
+			return fmt.Errorf("the last proxy could not listen")
 		}
 		listenConfig = l
 	}
diff --git a/config/config.go b/config/config.go
index 31d1c33..5c7dbe1 100644
--- a/config/config.go
+++ b/config/config.go
@@ -2,7 +2,6 @@ package config
 
 import (
 	"encoding/json"
-	"errors"
 	"fmt"
 	"log"
 	"os"
@@ -105,7 +104,7 @@ func (m Node) MarshalJSON() ([]byte, error) {
 
 func (m *Node) UnmarshalJSON(data []byte) error {
 	if m == nil {
-		return errors.New("node: UnmarshalJSON on nil pointer")
+		return fmt.Errorf("node: UnmarshalJSON on nil pointer")
 	}
 	if len(data) > 0 {
 		switch data[0] {
diff --git a/internal/warp/address.go b/internal/warp/address.go
index 4f5e31c..1f0ba89 100644
--- a/internal/warp/address.go
+++ b/internal/warp/address.go
@@ -2,7 +2,7 @@ package warp
 
 import (
 	"context"
-	"errors"
+	"fmt"
 	"net"
 	"sync"
 	"sync/atomic"
@@ -12,7 +12,7 @@ import (
 )
 
 var (
-	ErrConnClosed = errors.New("use of closed network connection")
+	ErrConnClosed = fmt.Errorf("use of closed network connection")
 )
 
 func ConnWithCloser(conn net.Conn, closer func() error) net.Conn {