diff --git a/packages/postcss/src/plugins/post.ts b/packages/postcss/src/plugins/post.ts
index b881b8eb9..43535309f 100644
--- a/packages/postcss/src/plugins/post.ts
+++ b/packages/postcss/src/plugins/post.ts
@@ -49,7 +49,7 @@ const postcssWeappTailwindcssPostPlugin: PostcssWeappTailwindcssRenamePlugin = (
        * @description 移除 calc(infinity * 1px)
        * https://github.com/tailwindlabs/tailwindcss/blob/77b3cb5318840925d8a75a11cc90552a93507ddc/packages/tailwindcss/src/utilities.ts#L2128
        */
-      else if (/calc\(\s*infinity\s*\*\s*1r?px/.test(decl.value)) {
+      else if (/calc\(\s*infinity\s*\*\s*(\d+\.?\d*|\.\d+)r?px/.test(decl.value)) {
         decl.value = '9999px'
       }
     }