superagent 如何模拟提交 multipart/form-data 的表单

Question

 request      .post(urls.news)      .set(base_headers)      .set('Host', HostNew)      .set('Cookie', cookie)      .set('Referer', urls.news)      .set('Content-Type', [contentType, " boundary=---------------------------7e132b2a1a02fc"].join(";"))      .send(data)      .redirects(0)      .end((err, res) => {        if (err) reject(err)        else fulfill(res)dataconst data = `-----------------------------7e132b2a1a02fcContent-Disposition: form-data; name="wbtitle"success-----------------------------7e132b2a1a02fc--`;