diff --git a/inventory/setting.go b/inventory/setting.go
index 29e53b5..d8dd0b5 100644
--- a/inventory/setting.go
+++ b/inventory/setting.go
@@ -395,7 +395,7 @@ var DefaultSettings = map[string]string{
 	"captcha_cap_instance_url":                   "",
 	"captcha_cap_site_key":                       "",
 	"captcha_cap_secret_key":                     "",
-	"captcha_cap_asset_server":                   "cdn",
+	"captcha_cap_asset_server":                   "jsdelivr",
 	"thumb_width":                                "400",
 	"thumb_height":                               "300",
 	"thumb_entity_suffix":                        "._thumb",
diff --git a/pkg/setting/provider.go b/pkg/setting/provider.go
index 546135d..09aacbe 100644
--- a/pkg/setting/provider.go
+++ b/pkg/setting/provider.go
@@ -671,7 +671,7 @@ func (s *settingProvider) CapCaptcha(ctx context.Context) *Cap {
 		InstanceURL: s.getString(ctx, "captcha_cap_instance_url", ""),
 		SiteKey:     s.getString(ctx, "captcha_cap_site_key", ""),
 		SecretKey:   s.getString(ctx, "captcha_cap_secret_key", ""),
-		AssetServer: s.getString(ctx, "captcha_cap_asset_server", "cdn"),
+		AssetServer: s.getString(ctx, "captcha_cap_asset_server", "jsdelivr"),
 	}
 }