diff --git a/rules/provider/classical_strategy.go b/rules/provider/classical_strategy.go
index 2fc52090..430acead 100644
--- a/rules/provider/classical_strategy.go
+++ b/rules/provider/classical_strategy.go
@@ -4,6 +4,7 @@ import (
 	"fmt"
 	C "github.com/Dreamacro/clash/constant"
 	"github.com/Dreamacro/clash/log"
+	"strings"
 )
 
 type classicalStrategy struct {
@@ -52,6 +53,19 @@ func (c *classicalStrategy) OnUpdate(rules []string) {
 	c.count = len(classicalRules)
 }
 
+func ruleParse(ruleRaw string) (string, string, []string) {
+	item := strings.Split(ruleRaw, ",")
+	if len(item) == 1 {
+		return "", item[0], nil
+	} else if len(item) == 2 {
+		return item[0], item[1], nil
+	} else if len(item) > 2 {
+		return item[0], item[1], item[2:]
+	}
+
+	return "", "", nil
+}
+
 func NewClassicalStrategy(parse func(tp, payload, target string, params []string) (parsed C.Rule, parseErr error)) *classicalStrategy {
 	return &classicalStrategy{rules: []C.Rule{}, parse: func(tp, payload, target string, params []string) (parsed C.Rule, parseErr error) {
 		switch tp {
diff --git a/rules/provider/domain_strategy.go b/rules/provider/domain_strategy.go
index d78bb44c..9b1a49af 100644
--- a/rules/provider/domain_strategy.go
+++ b/rules/provider/domain_strategy.go
@@ -4,7 +4,6 @@ import (
 	"github.com/Dreamacro/clash/component/trie"
 	C "github.com/Dreamacro/clash/constant"
 	"github.com/Dreamacro/clash/log"
-	"strings"
 )
 
 type domainStrategy struct {
@@ -40,19 +39,6 @@ func (d *domainStrategy) OnUpdate(rules []string) {
 	d.count = count
 }
 
-func ruleParse(ruleRaw string) (string, string, []string) {
-	item := strings.Split(ruleRaw, ",")
-	if len(item) == 1 {
-		return "", item[0], nil
-	} else if len(item) == 2 {
-		return item[0], item[1], nil
-	} else if len(item) > 2 {
-		return item[0], item[1], item[2:]
-	}
-
-	return "", "", nil
-}
-
 func NewDomainStrategy() *domainStrategy {
 	return &domainStrategy{}
 }