diff --git a/README.md b/README.md
index ebde194..be85a61 100644
--- a/README.md
+++ b/README.md
@@ -26,9 +26,10 @@ WelsonJS = ***W***indows + ***El***ectr***on***-like + ***Javascript(JS)*** + :h
 
 ## Sponsors
 - :octocat: [GitHub Sponsors](https://github.com/sponsors/gnh1201)
+- :coffee: [Buy me a coffee](https://buymeacoffee.com/catswords)
 - <img src="https://ics.catswords.net/logo_oss.gif" height="32" alt=""/> [Open Software Portal](https://oss.kr), Korea National Industry Promotion Agency - Awarded Prize
 - <img src="https://ics.catswords.net/signpath_logo.png" height="32" alt=""/> Free code signing provided by [SignPath.io](https://signpath.io), certificate by [SignPath Foundation](https://signpath.org/)
-- <img src="https://ics.catswords.net/f1security_logo.png" height="32" alt=""/> [F1Security](https://azuremarketplace.microsoft.com/ko-kr/marketplace/apps/1599123192819.uwss?tab=overview) provides web security services designed by [industry-leading experts](https://www.ksecurity.or.kr/kisis/subIndex/469.do).
+- <img src="https://ics.catswords.net/f1security_logo.png" height="32" alt=""/> [F1Security](https://f1security.co.kr/) provides [industry-leading]((https://www.ksecurity.or.kr/kisis/subIndex/469.do) web security services.
 - <img src="https://ics.catswords.net/microsoft_logo.png" height="32" alt=""/> [Microsoft ISV Success Program](https://www.microsoft.com/en-us/isv/isv-success), Grow your business with powerful tools.
 - :zap: [Integrations](https://catswords-oss.rdbl.io/5719744820/8278298336) ([ScrapeOps](https://scrapeops.io?fpr=namhyeon75), [SearchApi](https://www.searchapi.io/?via=namhyeon), [AviationStack](https://aviationstack.com?utm_source=FirstPromoter&utm_medium=Affiliate&fpr=namhyeon71), [Coupang](https://link.coupang.com/a/b7HV3V)...)