From c7a349e1fe9c394a4b0a6a165d4a7d2eb72c8f3a Mon Sep 17 00:00:00 2001
From: Dreamacro <305009791@qq.com>
Date: Wed, 21 Nov 2018 13:59:39 +0800
Subject: [PATCH] Improve: auto change payload to lowercase

---
 rules/domain.go         | 4 +++-
 rules/domain_keyword.go | 2 +-
 rules/domain_suffix.go  | 2 +-
 3 files changed, 5 insertions(+), 3 deletions(-)

diff --git a/rules/domain.go b/rules/domain.go
index 181fc1d2a..1c0fbdd1a 100644
--- a/rules/domain.go
+++ b/rules/domain.go
@@ -1,6 +1,8 @@
 package rules
 
 import (
+	"strings"
+
 	C "github.com/Dreamacro/clash/constant"
 )
 
@@ -30,7 +32,7 @@ func (d *Domain) Payload() string {
 
 func NewDomain(domain string, adapter string) *Domain {
 	return &Domain{
-		domain:  domain,
+		domain:  strings.ToLower(domain),
 		adapter: adapter,
 	}
 }
diff --git a/rules/domain_keyword.go b/rules/domain_keyword.go
index f2b1dd1c7..0708b1018 100644
--- a/rules/domain_keyword.go
+++ b/rules/domain_keyword.go
@@ -33,7 +33,7 @@ func (dk *DomainKeyword) Payload() string {
 
 func NewDomainKeyword(keyword string, adapter string) *DomainKeyword {
 	return &DomainKeyword{
-		keyword: keyword,
+		keyword: strings.ToLower(keyword),
 		adapter: adapter,
 	}
 }
diff --git a/rules/domain_suffix.go b/rules/domain_suffix.go
index c29ab06e8..710047738 100644
--- a/rules/domain_suffix.go
+++ b/rules/domain_suffix.go
@@ -33,7 +33,7 @@ func (ds *DomainSuffix) Payload() string {
 
 func NewDomainSuffix(suffix string, adapter string) *DomainSuffix {
 	return &DomainSuffix{
-		suffix:  suffix,
+		suffix:  strings.ToLower(suffix),
 		adapter: adapter,
 	}
 }