Minor fixes

go.mod

@@ -33,7 +33,7 @@ require (
 	github.com/sagernet/sing-shadowsocks v0.2.6
 	github.com/sagernet/sing-shadowsocks2 v0.2.0
 	github.com/sagernet/sing-shadowtls v0.1.4
-	github.com/sagernet/sing-tun v0.2.6
+	github.com/sagernet/sing-tun v0.2.7
 	github.com/sagernet/sing-vmess v0.1.8
 	github.com/sagernet/smux v0.0.0-20231208180855-7041f6ea79e7
 	github.com/sagernet/tfo-go v0.0.0-20231209031829-7b5343ac1dc6

go.sum

@@ -120,8 +120,8 @@ github.com/sagernet/sing-shadowsocks2 v0.2.0 h1:wpZNs6wKnR7mh1wV9OHwOyUr21VkS3wK
 github.com/sagernet/sing-shadowsocks2 v0.2.0/go.mod h1:RnXS0lExcDAovvDeniJ4IKa2IuChrdipolPYWBv9hWQ=
 github.com/sagernet/sing-shadowtls v0.1.4 h1:aTgBSJEgnumzFenPvc+kbD9/W0PywzWevnVpEx6Tw3k=
 github.com/sagernet/sing-shadowtls v0.1.4/go.mod h1:F8NBgsY5YN2beQavdgdm1DPlhaKQlaL6lpDdcBglGK4=
-github.com/sagernet/sing-tun v0.2.6 h1:FKXzh34uuO5RStBgf3Zi+Txan5eS9YTVOQrJRAbJBHk=
-github.com/sagernet/sing-tun v0.2.6/go.mod h1:MKAAHUzVfj7d9zos4lsz6wjXu86/mJyd/gejiAnWj/w=
+github.com/sagernet/sing-tun v0.2.7 h1:6QtJkeSj6BTTQPGxbbiuV8eh7GdV46w2G0N8CmISwdc=
+github.com/sagernet/sing-tun v0.2.7/go.mod h1:MKAAHUzVfj7d9zos4lsz6wjXu86/mJyd/gejiAnWj/w=
 github.com/sagernet/sing-vmess v0.1.8 h1:XVWad1RpTy9b5tPxdm5MCU8cGfrTGdR8qCq6HV2aCNc=
 github.com/sagernet/sing-vmess v0.1.8/go.mod h1:vhx32UNzTDUkNwOyIjcZQohre1CaytquC5mPplId8uA=
 github.com/sagernet/smux v0.0.0-20231208180855-7041f6ea79e7 h1:DImB4lELfQhplLTxeq2z31Fpv8CQqqrUwTbrIRumZqQ=

log/observable.go

@@ -53,7 +53,9 @@ func NewDefaultFactory(
 	if platformWriter != nil {
 		factory.platformFormatter.DisableColors = platformWriter.DisableColors()
 	}
-	factory.observer = observable.NewObserver[Entry](factory.subscriber, 64)
+	if needObservable {
+		factory.observer = observable.NewObserver[Entry](factory.subscriber, 64)
+	}
 	return factory
 }
 
@@ -72,7 +74,7 @@ func (f *defaultFactory) Start() error {
 func (f *defaultFactory) Close() error {
 	return common.Close(
 		common.PtrOrNil(f.file),
-		f.observer,
+		f.subscriber,
 	)
 }