diff --git a/go.mod b/go.mod
index b80abe5..5624c42 100644
--- a/go.mod
+++ b/go.mod
@@ -7,7 +7,7 @@ require (
 	github.com/asaskevich/govalidator v0.0.0-20210307081110-f21760c49a8d
 	github.com/biter777/countries v1.5.6
 	github.com/dustin/go-humanize v1.0.0
-	github.com/e1732a364fed/ui v0.0.1-alpha.12
+	github.com/e1732a364fed/ui v0.0.1-alpha.13
 	github.com/gobwas/ws v1.1.0
 	github.com/lucas-clemente/quic-go v0.0.0-00010101000000-000000000000
 	github.com/manifoldco/promptui v0.9.0
diff --git a/go.sum b/go.sum
index 03b4b0e..72066cd 100644
--- a/go.sum
+++ b/go.sum
@@ -20,8 +20,8 @@ github.com/davecgh/go-spew v1.1.1 h1:vj9j/u1bqnvCEfJOwUhtlOARqs3+rkHYY13jYWTU97c
 github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
 github.com/dustin/go-humanize v1.0.0 h1:VSnTsYCnlFHaM2/igO1h6X3HA71jcobQuxemgkq4zYo=
 github.com/dustin/go-humanize v1.0.0/go.mod h1:HtrtbFcZ19U5GC7JDqmcUSB87Iq5E25KnS6fMYU6eOk=
-github.com/e1732a364fed/ui v0.0.1-alpha.12 h1:XAVcgQlF8l1VCxlMexX0UJkShFBzSI1m1bFDuX9nfOA=
-github.com/e1732a364fed/ui v0.0.1-alpha.12/go.mod h1:uK9ryjwA0+3KdICbeXm5IjhKZ+1ZooMVDdTuLaQHpwM=
+github.com/e1732a364fed/ui v0.0.1-alpha.13 h1:S0f1KDwZjQatrKr6vy35jf9iL1OvHuj4KYWnrO+hqZQ=
+github.com/e1732a364fed/ui v0.0.1-alpha.13/go.mod h1:uK9ryjwA0+3KdICbeXm5IjhKZ+1ZooMVDdTuLaQHpwM=
 github.com/go-task/slim-sprig v0.0.0-20210107165309-348f09dbbbc0 h1:p104kn46Q8WdvHunIJ9dAyjPVtrBPhSr3KT2yUst43I=
 github.com/go-task/slim-sprig v0.0.0-20210107165309-348f09dbbbc0/go.mod h1:fyg7847qk6SyHyPtNmDHnmrv/HOrqktSC+C9fM+CJOE=
 github.com/gobwas/httphead v0.1.0 h1:exrUm0f4YX0L7EBwZHuCF4GDp8aJfVeBrlLQrs6NqWU=
diff --git a/tlsLayer/shadow.go b/tlsLayer/shadow.go
index 8472315..556101a 100644
--- a/tlsLayer/shadow.go
+++ b/tlsLayer/shadow.go
@@ -27,7 +27,7 @@ func getShadowTlsPasswordFromExtra(extra map[string]any) string {
 	return ""
 }
 
-// 转发并判断tls1握手结束后直接返回
+// 转发并判断tls1.2握手结束后直接返回
 func shadowTls1(servername string, clientConn net.Conn) (err error) {
 	var fakeConn net.Conn
 	fakeConn, err = net.Dial("tcp", servername+":443")
@@ -66,10 +66,13 @@ func shadowTls1(servername string, clientConn net.Conn) (err error) {
 	<-finish1
 
 	if e1 != nil || e2 != nil {
-		e := utils.Errs{List: []utils.ErrsItem{
-			{Index: 1, E: e1},
-			{Index: 2, E: e2},
-		}}
+		e := utils.Errs{}
+		if e1 != nil {
+			e.Add(utils.ErrsItem{Index: 1, E: e1})
+		}
+		if e2 != nil {
+			e.Add(utils.ErrsItem{Index: 2, E: e2})
+		}
 
 		return e
 	}
@@ -81,8 +84,7 @@ func shadowTls1(servername string, clientConn net.Conn) (err error) {
 	return
 }
 
-// 握手成功后返回 *FakeAppDataConn
-func shadowTls2(servername string, clientConn net.Conn, password string) (result net.Conn, err error) {
+func shadowTls2(servername string, clientConn net.Conn, password string) (result *FakeAppDataConn, err error) {
 	var fakeConn net.Conn
 	fakeConn, err = net.Dial("tcp", servername+":443")
 	if err != nil {
diff --git a/tlsLayer/sniff_hello.go b/tlsLayer/sniff_hello.go
index 232ead0..28d1540 100644
--- a/tlsLayer/sniff_hello.go
+++ b/tlsLayer/sniff_hello.go
@@ -292,13 +292,7 @@ func (cd *ComSniff) sniff_hello(pAfter []byte, isclienthello bool, onlyForSni bo
 
 			b := uint64(extensionsBs[cursor])
 			switch b {
-			case 2 << 9:
-				fallthrough
-			case 2 << 10:
-				fallthrough
-			case 2 << 11:
-				fallthrough
-			case 2 << 12:
+			case 2 << 9, 2 << 10, 2 << 11, 2 << 12:
 
 			default:
 				cd.DefinitelyNotTLS = true