diff --git a/packages/vant-css/src/button.css b/packages/vant-css/src/button.css
index ef1cf7019..5746a6a01 100644
--- a/packages/vant-css/src/button.css
+++ b/packages/vant-css/src/button.css
@@ -29,7 +29,7 @@
   }
 
   &:active::before {
-    opacity: .3;
+    opacity: .15;
   }
 
   &--unclickable::before {