diff --git a/internal/dnsclients/provider_custom_http.go b/internal/dnsclients/provider_custom_http.go
index aea2a688..854cc427 100644
--- a/internal/dnsclients/provider_custom_http.go
+++ b/internal/dnsclients/provider_custom_http.go
@@ -55,7 +55,9 @@ func (this *CustomHTTPProvider) Auth(params maps.Map) error {
 
 // GetDomains 获取所有域名列表
 func (this *CustomHTTPProvider) GetDomains() (domains []string, err error) {
-	resp, err := this.post(maps.Map{})
+	resp, err := this.post(maps.Map{
+		"action": "GetDomains",
+	})
 	if err != nil {
 		return nil, err
 	}