diff --git a/lib/singbox/model/singbox_config_enum.dart b/lib/singbox/model/singbox_config_enum.dart
index d883dba9..383388f7 100644
--- a/lib/singbox/model/singbox_config_enum.dart
+++ b/lib/singbox/model/singbox_config_enum.dart
@@ -92,7 +92,7 @@ enum DomainStrategy {
 enum TunImplementation {
   mixed,
   system,
-  gVisor;
+  gvisor;
 }
 
 enum MuxProtocol {
diff --git a/libcore b/libcore
index a5ca136a..558b1526 160000
--- a/libcore
+++ b/libcore
@@ -1 +1 @@
-Subproject commit a5ca136a4c2c5cc23ebadcf392aeaf5815f677da
+Subproject commit 558b152668d3b2c92feb3a84ea14fd516cb14636