diff --git a/CHANGELOG.md b/CHANGELOG.md
index f5fe3e1..666201d 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,12 @@
 # Changelog
 
+## 1.2.1
+
+- Fix a bug that caused DNS failure when using domain names in the "resolver" option
+- Fix a bug where errors in HTTP proxy mode were not logged
+- Fix a bug where WeChat protocol was not working properly when obfuscation was not enabled
+- New TCP buffer options for tun mode (`tcp_sndbuf`, `tcp_rcvbuf`, `tcp_autotuning`)
+
 ## 1.2.0
 
 - Reworked TUN mode
diff --git a/cmd/client_gpl.go b/cmd/client_gpl.go
index 7759f2d..7c87ee1 100644
--- a/cmd/client_gpl.go
+++ b/cmd/client_gpl.go
@@ -4,13 +4,14 @@
 package main
 
 import (
-	"github.com/docker/go-units"
-	"gvisor.dev/gvisor/pkg/tcpip/transport/tcp"
 	"io"
 	"net"
 	"strings"
 	"time"
 
+	"github.com/docker/go-units"
+	"gvisor.dev/gvisor/pkg/tcpip/transport/tcp"
+
 	"github.com/HyNetwork/hysteria/pkg/core"
 	"github.com/HyNetwork/hysteria/pkg/tun"
 	"github.com/sirupsen/logrus"
diff --git a/pkg/tun/server.go b/pkg/tun/server.go
index afa444d..3ce46f1 100644
--- a/pkg/tun/server.go
+++ b/pkg/tun/server.go
@@ -5,7 +5,6 @@ package tun
 
 import (
 	"fmt"
-	"github.com/xjasonlyu/tun2socks/v2/core/option"
 	"net"
 	"os"
 	"os/signal"
@@ -13,6 +12,8 @@ import (
 	"syscall"
 	"time"
 
+	"github.com/xjasonlyu/tun2socks/v2/core/option"
+
 	"github.com/HyNetwork/hysteria/pkg/core"
 	"github.com/sirupsen/logrus"
 	t2score "github.com/xjasonlyu/tun2socks/v2/core"
@@ -66,7 +67,8 @@ func (d *DeviceInfo) Open() (dev device.Device, err error) {
 }
 
 func NewServerWithTunFd(hyClient *core.Client, timeout time.Duration, tunFd int, mtu uint32,
-	tcpSendBufferSize, tcpReceiveBufferSize int, tcpModerateReceiveBuffer bool) (*Server, error) {
+	tcpSendBufferSize, tcpReceiveBufferSize int, tcpModerateReceiveBuffer bool,
+) (*Server, error) {
 	if mtu == 0 {
 		mtu = MTU
 	}
@@ -86,7 +88,8 @@ func NewServerWithTunFd(hyClient *core.Client, timeout time.Duration, tunFd int,
 }
 
 func NewServer(hyClient *core.Client, timeout time.Duration, name string, mtu uint32,
-	tcpSendBufferSize, tcpReceiveBufferSize int, tcpModerateReceiveBuffer bool) (*Server, error) {
+	tcpSendBufferSize, tcpReceiveBufferSize int, tcpModerateReceiveBuffer bool,
+) (*Server, error) {
 	if mtu == 0 {
 		mtu = MTU
 	}