update providers info

INSTALL.md

@@ -155,7 +155,8 @@ Open `config.json` and fill in your details:
 - `SafeLine.ApiToken`: Your SafeLine API token
 - `ApplyCert.Email`: Email for Let's Encrypt notifications
 - `ApplyCert.SavePath`: Where to save certificates (Linux: `/opt/safelineapi/certs`, Windows: `C:\SafelineAPI\certs`)
-- `DNSProvider`: Your DNS provider (Cloudflare, TencentCloud, AliCloud, HuaweiCloud, WestCN)
+- `DNSProvider`: Set to `Cloudflare` (additional providers coming in future versions)
+- `Cloudflare.APIToken`: Your scoped Cloudflare API token with `Zone:DNS:Edit` permissions
 
 See [CONFIGURATION.md](docs/CONFIGURATION.md) for detailed configuration options.
 

README.md

@@ -46,16 +46,12 @@ For detailed setup instructions, see **[INSTALL.md](INSTALL.md)** which covers:
 
 For detailed configuration options, see [docs/CONFIGURATION.md](docs/CONFIGURATION.md)
 
-## DNS Providers
+## DNS Provider
 
-Currently supported:
-- **Cloudflare** - Recommended for most users
-- **Tencent Cloud** - For Chinese users
-- **Aliyun (Alibaba Cloud)** - For Chinese users
-- **Huawei Cloud** - For Chinese users
-- **WestCN** - For Chinese users
+Currently supports:
+- **Cloudflare** - Primary DNS provider
 
-See [docs/cloudflare.md](docs/cloudflare.md) for Cloudflare-specific setup.
+Additional providers can be added in the future. See [docs/cloudflare.md](docs/cloudflare.md) for Cloudflare setup instructions.
 
 ## Security Best Practices