diff --git a/renderers/puppeteer/config_default.yaml b/renderers/puppeteer/config_default.yaml
index f141dfb..57addae 100644
--- a/renderers/puppeteer/config_default.yaml
+++ b/renderers/puppeteer/config_default.yaml
@@ -10,7 +10,7 @@ chromiumPath:
 puppeteerWS:
 
 # headless
-headless: new
+headless: 'new'
 
 # puppeteer启动args，注意args的--前缀
 args: