diff --git a/backend/internal/cert/apply/lego/bt/client.go b/backend/internal/cert/apply/lego/bt/client.go
index a1280f8..f8b7453 100644
--- a/backend/internal/cert/apply/lego/bt/client.go
+++ b/backend/internal/cert/apply/lego/bt/client.go
@@ -76,6 +76,9 @@ func (c *Config) MakeRequest(method, path string, data interface{}) (map[string]
 	if err := json.Unmarshal(respBytes, &result); err != nil {
 		return nil, err
 	}
+	if !result["status"].(bool) {
+		return nil, fmt.Errorf("API 请求失败: %v", result["msg"])
+	}
 
 	return result, nil
 }
diff --git a/backend/internal/cert/apply/lego/webhook/lego.go b/backend/internal/cert/apply/lego/webhook/lego.go
index 3487918..2f37fd4 100644
--- a/backend/internal/cert/apply/lego/webhook/lego.go
+++ b/backend/internal/cert/apply/lego/webhook/lego.go
@@ -7,8 +7,6 @@ import (
 	"time"
 )
 
-var configData string
-
 type Config struct {
 	WebhookConfig *public.WebhookConfig
 
@@ -19,7 +17,8 @@ type Config struct {
 }
 
 type DNSProvider struct {
-	config *Config
+	config   *Config
+	dataTemp string
 }
 
 func NewConfig(WebhookConfigStr map[string]string) *Config {
@@ -45,7 +44,10 @@ func NewDNSProviderConfig(config *Config) (*DNSProvider, error) {
 	if config == nil {
 		return nil, fmt.Errorf("配置不能为空")
 	}
-	return &DNSProvider{config: config}, nil
+	return &DNSProvider{
+		config:   config,
+		dataTemp: config.WebhookConfig.Data,
+	}, nil
 }
 
 func (d *DNSProvider) Timeout() (timeout, interval time.Duration) {
@@ -53,12 +55,12 @@ func (d *DNSProvider) Timeout() (timeout, interval time.Duration) {
 }
 
 func (d *DNSProvider) Present(domain, token, keyAuth string) error {
-	configData = d.config.WebhookConfig.Data
+	d.config.WebhookConfig.Data = d.dataTemp
 	return d.send(domain, token, keyAuth, "present")
 }
 
 func (d *DNSProvider) CleanUp(domain, token, keyAuth string) error {
-	d.config.WebhookConfig.Data = configData
+	d.config.WebhookConfig.Data = d.dataTemp
 	return d.send(domain, token, keyAuth, "cleanup")
 }