diff --git a/README.md b/README.md
index 12e72ee..ca0584c 100644
--- a/README.md
+++ b/README.md
@@ -7,7 +7,7 @@ A lightweight CLI tool that automatically manages TLS/SSL certificates for SafeL
 SafelineAPI simplifies TLS certificate management by:
 - **Automatically requesting new certificates** from Let's Encrypt using DNS-01 validation
 - **Updating existing certificates** in your SafeLine WAF instance
-- **Supporting multiple DNS providers** (Cloudflare, Tencent Cloud, Aliyun, Huawei Cloud, WestCN)
+- **Supporting multiple DNS providers** (Cloudflare)
 - **Running as a scheduled service** on Linux (systemd) or Windows
 - **Checking certificate expiration** and renewing before they expire