Change interval type

config/config.go

@@ -420,8 +420,8 @@ func BuildConfig(opt ConfigOptions, input option.Options) (*option.Options, erro
 		URLTestOptions: option.URLTestOutboundOptions{
 			Outbounds:   tags,
 			URL:         opt.ConnectionTestUrl,
-			Interval:    opt.URLTestInterval,
+			Interval:    option.Duration(opt.URLTestInterval.Duration()),
-			IdleTimeout: opt.URLTestIdleTimeout,
+			IdleTimeout: option.Duration(opt.URLTestIdleTimeout.Duration()),
 		},
 	}
 

config/option.go

@@ -1,8 +1,6 @@
 package config
 
 import (
-	"time"
-
 	"github.com/sagernet/sing-box/option"
 	dns "github.com/sagernet/sing-dns"
 )
@@ -45,8 +43,8 @@ type InboundOptions struct {
 
 type URLTestOptions struct {
 	ConnectionTestUrl  string            `json:"connection-test-url"`
-	URLTestInterval    option.Duration `json:"url-test-interval"`
+	URLTestInterval    DurationInSeconds `json:"url-test-interval"`
-	URLTestIdleTimeout option.Duration `json:"url-test-idle-timeout"`
+	URLTestIdleTimeout DurationInSeconds `json:"url-test-idle-timeout"`
 }
 
 type RouteOptions struct {
@@ -94,8 +92,8 @@ func DefaultConfigOptions() *ConfigOptions {
 		},
 		URLTestOptions: URLTestOptions{
 			ConnectionTestUrl:  "http://cp.cloudflare.com/",
-			URLTestInterval:    option.Duration(10 * time.Minute),
+			URLTestInterval:    DurationInSeconds(600),
-			URLTestIdleTimeout: option.Duration(100 * time.Minute),
+			URLTestIdleTimeout: DurationInSeconds(6000),
 		},
 		RouteOptions: RouteOptions{
 			ResolveDestination:     false,

config/types.go

@@ -0,0 +1,25 @@
+package config
+
+import (
+	"encoding/json"
+	"time"
+)
+
+type DurationInSeconds int
+
+func (d DurationInSeconds) MarshalJSON() ([]byte, error) {
+	return json.Marshal(int64(d))
+}
+
+func (d *DurationInSeconds) UnmarshalJSON(bytes []byte) error {
+	var v int64
+	if err := json.Unmarshal(bytes, &v); err != nil {
+		return err
+	}
+	*d = DurationInSeconds(v)
+	return nil
+}
+
+func (d DurationInSeconds) Duration() time.Duration {
+	return time.Duration(d) * time.Second
+}