diff --git a/server/dbdata/cert.go b/server/dbdata/cert.go
index 88769b1..db87b84 100644
--- a/server/dbdata/cert.go
+++ b/server/dbdata/cert.go
@@ -61,7 +61,6 @@ type DNSProvider struct {
 		SecretKey string `json:"secretKey"`
 	} `json:"txcloud"`
 	CfCloud struct {
-		// AuthEmail string `json:"authEmail"`
 		AuthToken string `json:"authToken"`
 	} `json:"cfcloud"`
 }
@@ -86,15 +85,15 @@ type LeGoClient struct {
 func GetDNSProvider(l *SettingLetsEncrypt) (Provider challenge.Provider, err error) {
 	switch l.Name {
 	case "aliyun":
-		if Provider, err = alidns.NewDNSProviderConfig(&alidns.Config{APIKey: l.DNSProvider.AliYun.APIKey, SecretKey: l.DNSProvider.AliYun.SecretKey, TTL: 600}); err != nil {
+		if Provider, err = alidns.NewDNSProviderConfig(&alidns.Config{APIKey: l.DNSProvider.AliYun.APIKey, SecretKey: l.DNSProvider.AliYun.SecretKey, PropagationTimeout: 60 * time.Second, PollingInterval: 2 * time.Second, TTL: 600}); err != nil {
 			return
 		}
 	case "txcloud":
-		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 {
+		if Provider, err = tencentcloud.NewDNSProviderConfig(&tencentcloud.Config{SecretID: l.DNSProvider.TXCloud.SecretID, SecretKey: l.DNSProvider.TXCloud.SecretKey, PropagationTimeout: 60 * time.Second, PollingInterval: 2 * time.Second, TTL: 600}); err != nil {
 			return
 		}
 	case "cfcloud":
-		if Provider, err = cloudflare.NewDNSProviderConfig(&cloudflare.Config{AuthToken: l.DNSProvider.CfCloud.AuthToken, TTL: 600}); err != nil {
+		if Provider, err = cloudflare.NewDNSProviderConfig(&cloudflare.Config{AuthToken: l.DNSProvider.CfCloud.AuthToken, PropagationTimeout: 60 * time.Second, PollingInterval: 2 * time.Second, TTL: 600}); err != nil {
 			return
 		}
 	}