diff --git a/dnsapi.md b/dnsapi.md
index 808bd6d..189aca2 100644
--- a/dnsapi.md
+++ b/dnsapi.md
@@ -153,7 +153,7 @@ If your DNS provider doesn't provide API access, you can use our [DNS alias mode
 - <a name="dns_nanelo"/> [156. Use Nanelo DNS API](https://github.com/acmesh-official/acme.sh/wiki/dnsapi2#dns_nanelo)
 - <a name="dns_googledomains"/> [157. Use Google Domains DNS API](https://github.com/acmesh-official/acme.sh/wiki/dnsapi2#dns_googledomains)
 - <a name="dns_dnsexit"/> [158. Use DNSExit API](https://github.com/acmesh-official/acme.sh/wiki/dnsapi2#dns_dnsexit)
-- <a name="dns_samba"/> [159. Use Samba AD DC API](https://github.com/acmesh-official/acme.sh/wiki/dnsapi2#dns_samba)
+- <a name="dns_samba"/> [161. Use Samba AD DC API](https://github.com/acmesh-official/acme.sh/wiki/dnsapi2#dns_samba)
 - <a name="dns_myapi"/> [Use custom API](https://github.com/acmesh-official/acme.sh/wiki/dnsapi2#dns_myapi)
 - <a name="dns_lexicon"/> [Use lexicon DNS API](https://github.com/acmesh-official/acme.sh/wiki/dnsapi2#dns_lexicon)