diff --git a/dnsapi2.md b/dnsapi2.md
index a3f2a0e..a2919ee 100644
--- a/dnsapi2.md
+++ b/dnsapi2.md
@@ -84,7 +84,7 @@
 - [160. Use  TencentCloud (DNSPod) API](#dns_tencent)
 - [161. Use Samba AD DC API](#dns_samba)
 - [162. Use West.cn API](#dns_west_cn)
-- [163. Use hosttech.ch API](#dns_hosttech)
+- [163. Use hosttech API](#dns_hosttech)
 - [Use custom API](#dns_myapi)
 - [Use lexicon DNS API](#dns_lexicon)