diff --git a/config/parser.go b/config/parser.go
index 5cef1c7..c29c03a 100644
--- a/config/parser.go
+++ b/config/parser.go
@@ -1,11 +1,10 @@
 package config
 
-
 import (
 	_ "embed"
+	"encoding/json"
 	"fmt"
 	"os"
-	"github.com/titanous/json5"
 
 	"github.com/hiddify/ray2sing/ray2sing"
 	"github.com/sagernet/sing-box/experimental/libbox"
@@ -17,89 +16,49 @@ import (
 //go:embed config.json.template
 var configByte []byte
 
-var configParsers = []func([]byte, bool) ([]byte, error){
-	parseSingboxConfig,
-	parseV2rayConfig,
-	parseClashConfig,
-}
-
 func ParseConfig(path string, debug bool) ([]byte, error) {
 	content, err := os.ReadFile(path)
 	if err != nil {
 		return nil, err
 	}
 
-	var parseError error
-	for index, parser := range configParsers {
-		config, err := parser(content, debug)
-		if err == nil {
-			fmt.Printf("[ConfigParser] success with parser #%d, checking...\n", index)
-			err_internal_check:=isCorrectSingboxConfig(config,debug)
-			if  err_internal_check!=nil{
-				return config, err_internal_check
-			}
-			err = libbox.CheckConfig(string(config))
-			return config, err
+	var jsonObj map[string]interface{}
+	if err := json.Unmarshal(content, &jsonObj); err == nil {
+		if jsonObj["outbounds"] == nil {
+			return nil, fmt.Errorf("[SingboxParser] no outbounds found")
 		}
-		parseError = err
+		return validateResult(content, "SingboxParser")
 	}
-	return nil, parseError
+
+	v2rayStr, err := ray2sing.Ray2Singbox(string(content))
+	if err == nil {
+		return validateResult([]byte(v2rayStr), "V2rayParser")
+	}
+
+	clashObj := clash.Clash{}
+	if err := yaml.Unmarshal(content, &clashObj); err == nil && clashObj.Proxies != nil {
+		if len(clashObj.Proxies) == 0 {
+			return nil, fmt.Errorf("[ClashParser] no outbounds found")
+		}
+		converted, err := convert.Clash2sing(clashObj)
+		if err != nil {
+			return nil, fmt.Errorf("[ClashParser] converting clash to sing-box error: %w", err)
+		}
+		output := configByte
+		output, err = convert.Patch(output, converted, "", "", nil)
+		if err != nil {
+			return nil, fmt.Errorf("[ClashParser] patching clash config error: %w", err)
+		}
+		return validateResult(output, "ClashParser")
+	}
+
+	return nil, fmt.Errorf("unable to determine config format")
 }
 
-func parseV2rayConfig(content []byte, debug bool) ([]byte, error) {
-	config, err := ray2sing.Ray2Singbox(string(content))
+func validateResult(content []byte, name string) ([]byte, error) {
+	err := libbox.CheckConfig(string(content))
 	if err != nil {
-		fmt.Printf("[V2rayParser] error: %s\n", err)
-		return nil, err
-	}
-	return []byte(config), nil
-}
-
-func parseClashConfig(content []byte, debug bool) ([]byte, error) {
-	clashConfig := clash.Clash{}
-	err := yaml.Unmarshal(content, &clashConfig)
-	if err != nil {
-		fmt.Printf("[ClashParser] unmarshal error: %s\n", err)
-		return nil, err
-	}
-	if len(clashConfig.Proxies)==0{
-		return nil,fmt.Errorf("No Outbound Available! %s", string(content))
-	}
-
-
-	sbConfig, err := convert.Clash2sing(clashConfig)
-	if err != nil {
-		fmt.Printf("[ClashParser] convert error: %s\n", err)
-		return nil, err
-	}
-
-	output := configByte
-	output, err = convert.Patch(output, sbConfig, "", "", nil)
-	if err != nil {
-		fmt.Printf("[ClashParser] patch error: %s\n", err)
-		return nil, err
-	}
-	return output, nil
-}
-
-func parseSingboxConfig(content []byte, debug bool) ([]byte, error) {
-	var dummy map[string]interface{}
-	err := json5.Unmarshal(content, &dummy)
-	if err != nil {
-		return nil, err
+		return nil, fmt.Errorf("[%s] invalid sing-box config: %w", name, err)
 	}
 	return content, nil
 }
-func isCorrectSingboxConfig(content []byte, debug bool) error {
-	var dummy map[string]interface{}
-	err := json5.Unmarshal(content, &dummy)
-	if err != nil {
-		return err
-	}
-	
-	if dummy["outbounds"]==nil {
-		return  fmt.Errorf("No Outbound Available! %s", string(content))
-	}
-	
-	return nil
-}
diff --git a/go.mod b/go.mod
index 30ad837..cbafde7 100644
--- a/go.mod
+++ b/go.mod
@@ -9,7 +9,6 @@ require (
 	github.com/sagernet/sing-box v1.7.8
 	github.com/sagernet/sing-dns v0.1.12
 	github.com/spf13/cobra v1.8.0
-	github.com/titanous/json5 v1.0.0
 	github.com/xmdhs/clash2singbox v0.0.2
 	gopkg.in/yaml.v3 v3.0.1
 )
diff --git a/go.sum b/go.sum
index 8a8e886..52e4313 100644
--- a/go.sum
+++ b/go.sum
@@ -65,8 +65,6 @@ github.com/klauspost/cpuid/v2 v2.2.5 h1:0E5MSMDEoAulmXNFquVs//DdoomxaoTY1kUhbc/q
 github.com/klauspost/cpuid/v2 v2.2.5/go.mod h1:Lcz8mBdAVJIBVzewtcLocK12l3Y+JytZYpaMropDUws=
 github.com/kr/text v0.2.0 h1:5Nx0Ya0ZqY2ygV366QzturHI13Jq95ApcVaJBhpS+AY=
 github.com/kr/text v0.2.0/go.mod h1:eLer722TekiGuMkidMxC/pM04lWEeraHUUmBw8l2grE=
-github.com/kylelemons/godebug v1.1.0 h1:RPNrshWIDI6G2gRW9EHilWtl7Z6Sb1BR0xunSBf0SNc=
-github.com/kylelemons/godebug v1.1.0/go.mod h1:9/0rRGxNHcop5bhtWyNeEfOS8JIWk580+fNqagV/RAw=
 github.com/libdns/alidns v1.0.3 h1:LFHuGnbseq5+HCeGa1aW8awyX/4M2psB9962fdD2+yQ=
 github.com/libdns/alidns v1.0.3/go.mod h1:e18uAG6GanfRhcJj6/tps2rCMzQJaYVcGKT+ELjdjGE=
 github.com/libdns/cloudflare v0.1.0 h1:93WkJaGaiXCe353LHEP36kAWCUw0YjFqwhkBkU2/iic=
@@ -114,8 +112,6 @@ github.com/quic-go/qpack v0.4.0 h1:Cr9BXA1sQS2SmDUWjSofMPNKmvF6IiIfDRmgU0w1ZCo=
 github.com/quic-go/qpack v0.4.0/go.mod h1:UZVnYIfi5GRk+zI9UMaCPsmZ2xKJP7XBUvVyT1Knj9A=
 github.com/quic-go/qtls-go1-20 v0.4.1 h1:D33340mCNDAIKBqXuAvexTNMUByrYmFYVfKfDN5nfFs=
 github.com/quic-go/qtls-go1-20 v0.4.1/go.mod h1:X9Nh97ZL80Z+bX/gUXMbipO6OxdiDi58b/fMC9mAL+k=
-github.com/robertkrimen/otto v0.2.1 h1:FVP0PJ0AHIjC+N4pKCG9yCDz6LHNPCwi/GKID5pGGF0=
-github.com/robertkrimen/otto v0.2.1/go.mod h1:UPwtJ1Xu7JrLcZjNWN8orJaM5n5YEtqL//farB5FlRY=
 github.com/russross/blackfriday/v2 v2.1.0/go.mod h1:+Rmxgy9KzJVeS9/2gXHxylqXiyQDYRxCVz55jmeOWTM=
 github.com/sagernet/bbolt v0.0.0-20231014093535-ea5cb2fe9f0a h1:+NkI2670SQpQWvkkD2QgdTuzQG263YZ+2emfpeyGqW0=
 github.com/sagernet/bbolt v0.0.0-20231014093535-ea5cb2fe9f0a/go.mod h1:63s7jpZqcDAIpj8oI/1v4Izok+npJOHACFCU6+huCkM=
@@ -180,8 +176,6 @@ github.com/stretchr/testify v1.8.0/go.mod h1:yNjHg4UonilssWZ8iaSj1OCr/vHnekPRkoO
 github.com/stretchr/testify v1.8.3/go.mod h1:sz/lmYIOXD/1dqDmKjjqLyZ2RngseejIcXlSw2iwfAo=
 github.com/stretchr/testify v1.8.4 h1:CcVxjf3Q8PM0mHUKJCdn+eZZtm5yQwehR5yeSVQQcUk=
 github.com/stretchr/testify v1.8.4/go.mod h1:sz/lmYIOXD/1dqDmKjjqLyZ2RngseejIcXlSw2iwfAo=
-github.com/titanous/json5 v1.0.0 h1:hJf8Su1d9NuI/ffpxgxQfxh/UiBFZX7bMPid0rIL/7s=
-github.com/titanous/json5 v1.0.0/go.mod h1:7JH1M8/LHKc6cyP5o5g3CSaRj+mBrIimTxzpvmckH8c=
 github.com/u-root/uio v0.0.0-20230220225925-ffce2a382923 h1:tHNk7XK9GkmKUR6Gh8gVBKXc2MVSZ4G/NnWLtzw4gNA=
 github.com/u-root/uio v0.0.0-20230220225925-ffce2a382923/go.mod h1:eLL9Nub3yfAho7qB0MzZizFhTU2QkLeoVsWdHtDW264=
 github.com/vishvananda/netns v0.0.0-20211101163701-50045581ed74 h1:gga7acRE695APm9hlsSMoOoE65U4/TcqNj90mc69Rlg=
@@ -288,8 +282,6 @@ google.golang.org/protobuf v1.32.0/go.mod h1:c6P6GXX6sHbq/GpV6MGZEdwhWPcYBgnhAHh
 gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
 gopkg.in/check.v1 v1.0.0-20200227125254-8fa46927fb4f h1:BLraFXnmrev5lT+xlilqcH8XK9/i0At2xKjWk4p6zsU=
 gopkg.in/check.v1 v1.0.0-20200227125254-8fa46927fb4f/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
-gopkg.in/sourcemap.v1 v1.0.5 h1:inv58fC9f9J3TK2Y2R1NPntXEn3/wjWHkonhIUODNTI=
-gopkg.in/sourcemap.v1 v1.0.5/go.mod h1:2RlvNNSMglmRrcvhfuzp4hQHwOtjxlbjX7UPY/GXb78=
 gopkg.in/yaml.v3 v3.0.0-20200313102051-9f266ea9e77c/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=
 gopkg.in/yaml.v3 v3.0.1 h1:fxVm/GzAzEWqLHuvctI91KS9hhNmmWOoWu0XTYJS7CA=
 gopkg.in/yaml.v3 v3.0.1/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=