diff --git a/components/button/style/index.tsx b/components/button/style/index.tsx
index 077e7ec35f..4a33aad712 100644
--- a/components/button/style/index.tsx
+++ b/components/button/style/index.tsx
@@ -62,7 +62,7 @@ const genSharedButtonStyle: GenerateStyle<ButtonToken, CSSObject> = (token): CSS
         '&:not([disabled]) + &:not([disabled])': {
           position: 'relative',
 
-          '&:after': {
+          '&:before': {
             position: 'absolute',
             top: -token.lineWidth,
             insetInlineStart: -token.lineWidth,
@@ -80,7 +80,7 @@ const genSharedButtonStyle: GenerateStyle<ButtonToken, CSSObject> = (token): CSS
           '&:not([disabled]) + &:not([disabled])': {
             position: 'relative',
 
-            '&:after': {
+            '&:before': {
               position: 'absolute',
               top: -token.lineWidth,
               insetInlineStart: -token.lineWidth,