diff --git a/layout/includes/third-party/subtitle.pug b/layout/includes/third-party/subtitle.pug
index d7cec58..9236757 100644
--- a/layout/includes/third-party/subtitle.pug
+++ b/layout/includes/third-party/subtitle.pug
@@ -1,7 +1,4 @@
-- const { effect,loop,source,sub } = theme.subtitle
-- const startDelay = theme.subtitle.startDelay ?? 300
-- const typeSpeed = theme.subtitle.typeSpeed ?? 150
-- const backSpeed = theme.subtitle.backSpeed ?? 50
+- const { effect,loop,source,sub,startDelay,typeSpeed,backSpeed } = theme.subtitle
 - let subContent = sub || new Array()
 
 case source