diff --git a/themes/butterfly/_config.yml b/themes/butterfly/_config.yml
index af6bce6..1f1395a 100644
--- a/themes/butterfly/_config.yml
+++ b/themes/butterfly/_config.yml
@@ -759,7 +759,7 @@ subtitle:
   # Typewriter Effect (打字效果)
   effect: true
   startDelay: 150 # time before typing starts in milliseconds
-  typeSpeed: 250 # type speed in milliseconds
+  typeSpeed: 500 # type speed in milliseconds
   backSpeed: 30 # backspacing speed in milliseconds
   loop: true
   # Customize typed.js (配置typed.js)