diff --git a/rules/common/domain.go b/rules/common/domain.go
index c5bf2b88..4ab1f687 100644
--- a/rules/common/domain.go
+++ b/rules/common/domain.go
@@ -4,7 +4,6 @@ import (
 	"strings"
 
 	C "github.com/metacubex/mihomo/constant"
-	"golang.org/x/net/idna"
 )
 
 type Domain struct {
@@ -30,10 +29,9 @@ func (d *Domain) Payload() string {
 }
 
 func NewDomain(domain string, adapter string) *Domain {
-	punycode, _ := idna.ToASCII(strings.ToLower(domain))
 	return &Domain{
 		Base:    Base{},
-		domain:  punycode,
+		domain:  strings.ToLower(domain),
 		adapter: adapter,
 	}
 }
diff --git a/rules/common/domain_keyword.go b/rules/common/domain_keyword.go
index 435c6449..5c7e9d3a 100644
--- a/rules/common/domain_keyword.go
+++ b/rules/common/domain_keyword.go
@@ -4,7 +4,6 @@ import (
 	"strings"
 
 	C "github.com/metacubex/mihomo/constant"
-	"golang.org/x/net/idna"
 )
 
 type DomainKeyword struct {
@@ -31,10 +30,9 @@ func (dk *DomainKeyword) Payload() string {
 }
 
 func NewDomainKeyword(keyword string, adapter string) *DomainKeyword {
-	punycode, _ := idna.ToASCII(strings.ToLower(keyword))
 	return &DomainKeyword{
 		Base:    Base{},
-		keyword: punycode,
+		keyword: strings.ToLower(keyword),
 		adapter: adapter,
 	}
 }
diff --git a/rules/common/domain_suffix.go b/rules/common/domain_suffix.go
index 12c29550..bf66b90b 100644
--- a/rules/common/domain_suffix.go
+++ b/rules/common/domain_suffix.go
@@ -4,7 +4,6 @@ import (
 	"strings"
 
 	C "github.com/metacubex/mihomo/constant"
-	"golang.org/x/net/idna"
 )
 
 type DomainSuffix struct {
@@ -31,10 +30,9 @@ func (ds *DomainSuffix) Payload() string {
 }
 
 func NewDomainSuffix(suffix string, adapter string) *DomainSuffix {
-	punycode, _ := idna.ToASCII(strings.ToLower(suffix))
 	return &DomainSuffix{
 		Base:    Base{},
-		suffix:  punycode,
+		suffix:  strings.ToLower(suffix),
 		adapter: adapter,
 	}
 }