diff --git a/server/dbdata/cert.go b/server/dbdata/cert.go
index 089a671..635a5ee 100644
--- a/server/dbdata/cert.go
+++ b/server/dbdata/cert.go
@@ -90,7 +90,7 @@ func GetDNSProvider(l *SettingLetsEncrypt) (Provider challenge.Provider, err err
 			return
 		}
 	case "txcloud":
-		if Provider, err = tencentcloud.NewDNSProviderConfig(&tencentcloud.Config{SecretID: l.DNSProvider.TXCloud.SecretID, SecretKey: l.DNSProvider.TXCloud.SecretKey, TTL: 600}); err != nil {
+		if Provider, err = tencentcloud.NewDNSProviderConfig(&tencentcloud.Config{SecretID: l.DNSProvider.TXCloud.SecretID, SecretKey: l.DNSProvider.TXCloud.SecretKey, PropagationTimeout: 60 * time.Second, PollingInterval: 10 * time.Second, TTL: 600}); err != nil {
 			return
 		}
 	case "cloudflare":