diff --git a/lib/singbox/model/singbox_proxy_type.dart b/lib/singbox/model/singbox_proxy_type.dart
index c69d4882..dbc0f48c 100644
--- a/lib/singbox/model/singbox_proxy_type.dart
+++ b/lib/singbox/model/singbox_proxy_type.dart
@@ -20,7 +20,7 @@ enum ProxyType {
 
   selector("Selector"),
   urltest("URLTest"),
-  warp("Warp")
+  warp("Warp"),
   unknown("Unknown");
 
   const ProxyType(this.label);