修复指定节点不存在时源码返回None错误

zgztb_cookie/detail_normol.py

@@ -66,6 +66,9 @@ def handle_html(html, default=None):
             html = etree.tostring(node, encoding='utf-8', method='html').decode()
             return execute('renderHtml', html)
 
+        html = etree.tostring(element, encoding='utf-8', method='html').decode()
+        return execute('renderHtml', html)
+
     with open('tools.js') as fp:
         js = fp.read()
         execute = tools.compile_js(js)