diff --git a/cmd/sing-box/cmd_check.go b/cmd/sing-box/cmd_check.go
index e6d55d12..3360ea6c 100644
--- a/cmd/sing-box/cmd_check.go
+++ b/cmd/sing-box/cmd_check.go
@@ -5,10 +5,10 @@ import (
 	"os"
 
 	"github.com/sagernet/sing-box"
+	"github.com/sagernet/sing-box/common/json"
 	"github.com/sagernet/sing-box/log"
 	"github.com/sagernet/sing-box/option"
 
-	"github.com/goccy/go-json"
 	"github.com/spf13/cobra"
 )
 
diff --git a/cmd/sing-box/cmd_format.go b/cmd/sing-box/cmd_format.go
index 9e51cd9d..ac778afb 100644
--- a/cmd/sing-box/cmd_format.go
+++ b/cmd/sing-box/cmd_format.go
@@ -5,10 +5,10 @@ import (
 	"os"
 	"path/filepath"
 
+	"github.com/sagernet/sing-box/common/json"
 	"github.com/sagernet/sing-box/log"
 	"github.com/sagernet/sing-box/option"
 
-	"github.com/goccy/go-json"
 	"github.com/spf13/cobra"
 )
 
diff --git a/cmd/sing-box/cmd_run.go b/cmd/sing-box/cmd_run.go
index ff8581fc..c8a55dde 100644
--- a/cmd/sing-box/cmd_run.go
+++ b/cmd/sing-box/cmd_run.go
@@ -7,10 +7,10 @@ import (
 	"syscall"
 
 	"github.com/sagernet/sing-box"
+	"github.com/sagernet/sing-box/common/json"
 	"github.com/sagernet/sing-box/log"
 	"github.com/sagernet/sing-box/option"
 
-	"github.com/goccy/go-json"
 	"github.com/spf13/cobra"
 )
 
diff --git a/common/badjson/array.go b/common/badjson/array.go
index 9f93acd4..a7042ca6 100644
--- a/common/badjson/array.go
+++ b/common/badjson/array.go
@@ -3,9 +3,8 @@ package badjson
 import (
 	"bytes"
 
+	"github.com/sagernet/sing-box/common/json"
 	E "github.com/sagernet/sing/common/exceptions"
-
-	"github.com/goccy/go-json"
 )
 
 type JSONArray[T any] []T
diff --git a/common/badjson/json.go b/common/badjson/json.go
index 1c299227..7f00f09b 100644
--- a/common/badjson/json.go
+++ b/common/badjson/json.go
@@ -1,9 +1,8 @@
 package badjson
 
 import (
+	"github.com/sagernet/sing-box/common/json"
 	E "github.com/sagernet/sing/common/exceptions"
-
-	"github.com/goccy/go-json"
 )
 
 func decodeJSON(decoder *json.Decoder) (any, error) {
diff --git a/common/badjson/object.go b/common/badjson/object.go
index eb0de894..dc62aed9 100644
--- a/common/badjson/object.go
+++ b/common/badjson/object.go
@@ -4,10 +4,9 @@ import (
 	"bytes"
 	"strings"
 
+	"github.com/sagernet/sing-box/common/json"
 	E "github.com/sagernet/sing/common/exceptions"
 	"github.com/sagernet/sing/common/x/linkedhashmap"
-
-	"github.com/goccy/go-json"
 )
 
 type JSONObject struct {
diff --git a/common/json/gojson.go b/common/json/gojson.go
new file mode 100644
index 00000000..36c4b473
--- /dev/null
+++ b/common/json/gojson.go
@@ -0,0 +1,20 @@
+//go:build !with_std_json
+
+package json
+
+import "github.com/goccy/go-json"
+
+var (
+	Marshal    = json.Marshal
+	Unmarshal  = json.Unmarshal
+	NewEncoder = json.NewEncoder
+	NewDecoder = json.NewDecoder
+)
+
+type (
+	Encoder     = json.Encoder
+	Decoder     = json.Decoder
+	Token       = json.Token
+	Delim       = json.Delim
+	SyntaxError = json.SyntaxError
+)
diff --git a/common/json/std.go b/common/json/std.go
new file mode 100644
index 00000000..d93b031b
--- /dev/null
+++ b/common/json/std.go
@@ -0,0 +1,20 @@
+//go:build with_std_json
+
+package json
+
+import "encoding/json"
+
+var (
+	Marshal    = json.Marshal
+	Unmarshal  = json.Unmarshal
+	NewEncoder = json.NewEncoder
+	NewDecoder = json.NewDecoder
+)
+
+type (
+	Encoder     = json.Encoder
+	Decoder     = json.Decoder
+	Token       = json.Token
+	Delim       = json.Delim
+	SyntaxError = json.SyntaxError
+)
diff --git a/experimental/clashapi/connections.go b/experimental/clashapi/connections.go
index 5e1aa3a8..73f89059 100644
--- a/experimental/clashapi/connections.go
+++ b/experimental/clashapi/connections.go
@@ -2,11 +2,11 @@ package clashapi
 
 import (
 	"bytes"
-	"encoding/json"
 	"net/http"
 	"strconv"
 	"time"
 
+	"github.com/sagernet/sing-box/common/json"
 	"github.com/sagernet/sing-box/experimental/clashapi/trafficontrol"
 
 	"github.com/go-chi/chi/v5"
diff --git a/experimental/clashapi/server.go b/experimental/clashapi/server.go
index f14bff5d..d7168019 100644
--- a/experimental/clashapi/server.go
+++ b/experimental/clashapi/server.go
@@ -11,6 +11,7 @@ import (
 	"time"
 
 	"github.com/sagernet/sing-box/adapter"
+	"github.com/sagernet/sing-box/common/json"
 	C "github.com/sagernet/sing-box/constant"
 	"github.com/sagernet/sing-box/experimental/clashapi/trafficontrol"
 	"github.com/sagernet/sing-box/log"
@@ -22,7 +23,6 @@ import (
 	"github.com/go-chi/chi/v5"
 	"github.com/go-chi/cors"
 	"github.com/go-chi/render"
-	"github.com/goccy/go-json"
 	"github.com/gorilla/websocket"
 )
 
diff --git a/option/config.go b/option/config.go
index 52672e11..c61e38a4 100644
--- a/option/config.go
+++ b/option/config.go
@@ -4,10 +4,9 @@ import (
 	"bytes"
 	"strings"
 
+	"github.com/sagernet/sing-box/common/json"
 	"github.com/sagernet/sing/common"
 	E "github.com/sagernet/sing/common/exceptions"
-
-	"github.com/goccy/go-json"
 )
 
 type _Options struct {
diff --git a/option/dns.go b/option/dns.go
index a135cf5c..d42574e7 100644
--- a/option/dns.go
+++ b/option/dns.go
@@ -1,11 +1,10 @@
 package option
 
 import (
+	"github.com/sagernet/sing-box/common/json"
 	C "github.com/sagernet/sing-box/constant"
 	"github.com/sagernet/sing/common"
 	E "github.com/sagernet/sing/common/exceptions"
-
-	"github.com/goccy/go-json"
 )
 
 type DNSOptions struct {
diff --git a/option/inbound.go b/option/inbound.go
index bc710166..eb52eb90 100644
--- a/option/inbound.go
+++ b/option/inbound.go
@@ -1,12 +1,11 @@
 package option
 
 import (
+	"github.com/sagernet/sing-box/common/json"
 	C "github.com/sagernet/sing-box/constant"
 	"github.com/sagernet/sing/common"
 	"github.com/sagernet/sing/common/auth"
 	E "github.com/sagernet/sing/common/exceptions"
-
-	"github.com/goccy/go-json"
 )
 
 type _Inbound struct {
diff --git a/option/json.go b/option/json.go
index f65c9d89..56a90860 100644
--- a/option/json.go
+++ b/option/json.go
@@ -4,10 +4,9 @@ import (
 	"bytes"
 
 	"github.com/sagernet/sing-box/common/badjson"
+	"github.com/sagernet/sing-box/common/json"
 	"github.com/sagernet/sing/common"
 	E "github.com/sagernet/sing/common/exceptions"
-
-	"github.com/goccy/go-json"
 )
 
 func ToMap(v any) (*badjson.JSONObject, error) {
diff --git a/option/outbound.go b/option/outbound.go
index 74c9e40b..db0535de 100644
--- a/option/outbound.go
+++ b/option/outbound.go
@@ -1,12 +1,11 @@
 package option
 
 import (
+	"github.com/sagernet/sing-box/common/json"
 	C "github.com/sagernet/sing-box/constant"
 	"github.com/sagernet/sing/common"
 	E "github.com/sagernet/sing/common/exceptions"
 	M "github.com/sagernet/sing/common/metadata"
-
-	"github.com/goccy/go-json"
 )
 
 type _Outbound struct {
diff --git a/option/route.go b/option/route.go
index 8a942fa9..d7d33b8b 100644
--- a/option/route.go
+++ b/option/route.go
@@ -1,11 +1,10 @@
 package option
 
 import (
+	"github.com/sagernet/sing-box/common/json"
 	C "github.com/sagernet/sing-box/constant"
 	"github.com/sagernet/sing/common"
 	E "github.com/sagernet/sing/common/exceptions"
-
-	"github.com/goccy/go-json"
 )
 
 type RouteOptions struct {
diff --git a/option/types.go b/option/types.go
index 978ee2ab..d5b8c997 100644
--- a/option/types.go
+++ b/option/types.go
@@ -5,11 +5,10 @@ import (
 	"strings"
 	"time"
 
+	"github.com/sagernet/sing-box/common/json"
 	C "github.com/sagernet/sing-box/constant"
 	"github.com/sagernet/sing-dns"
 	E "github.com/sagernet/sing/common/exceptions"
-
-	"github.com/goccy/go-json"
 )
 
 type ListenAddress netip.Addr