Solution to python crawler problem, why is the verification code always wrong?

#Change the code. The parameter names of the verification code are not correct? Send them to Baidu? Even the gods can’t help you

headers?=?{'Content-Type ':?'application/x-www-form-urlencoded',?'X-Requested-With':?'XMLHttpRequest',?'Cookie':?'verifycode={0};'.format(yzm)}< /p>

url_company=':58888/mini/netWebServlet.json?codeCheck=true&corpName=Suzhou&verifycode='+str(yzm)