宜搭返回的不是表单页面，而是把请求转发到了下面这个地址（非宜搭域名）。请截图反馈此页：
https://login.dingtalk.com/oauth2/challenge.htm?redirect_uri=https%3A%2F%2Fxjy2ff.aliwork.com%2Fdingtalk_sso_call_back%3Fcontinue%3Dhttps%253A%252F%252Fxjy2ff.aliwork.com%252Fsitemap.xmlresponse_type=codeclient_id=suite9xvlxxerybljwheoscope=openid+corpidlang=zh_CN