diff --git a/typescript/core/platform/web/function.ts b/typescript/core/platform/web/function.ts
index 28aace824..95b2d29ef 100644
--- a/typescript/core/platform/web/function.ts
+++ b/typescript/core/platform/web/function.ts
@@ -8,5 +8,5 @@ export type _function = {
   isSafari: () => boolean;
   isMac: () => boolean;
   isWindows: () => boolean;
-  isSupportCss3: (style: string) => boolean;
+  isSupportCss3: (style: any) => boolean;
 }
\ No newline at end of file