代码如下：
import requests
import json
import time
url = 'http://api.douguo.net/recipe/v2/search/0/20'
headers = {
"Cookie":"duid=68177089",
"client":"4",
"version":"7002.2",
"device":"SM-G973N",
"sdk":"25,7.1.2",
"channel":"baidu",
"resolution":"1600*900",
"display-resolution":"1600*900",
"dpi":"2.0",
"pseudo-id":"f46dc4eb943e72b1",
"brand":"samsung",
"scale":"2.0",
"timezone":"28800",
"language":"zh",
"cns":"2",
"carrier":"CMCC",
"imsi":"460073466014240",
"User-Agent":"Mozilla/5.0 (Linux; Android 7.1.2; SM-G973N Build/PPR1.190810.011; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/75.0.3770.143 Mobile Safari/537.36",
"act-code":"1620465567",
"act-timestamp":"1620465567",
"uuid":"24c4c9f7-062b-478b-ba3f-70e72decfc3d",
"battery-level":"1.00",
"battery-state":"3",
"bssid":"00:23:81:50:0E:F0",
"syscmp-time":"1616574784000",
"rom-version":"beyond1qlteue-user 7.1.2 PPR1.190810.011 7002100324 release-keys",
"terms-accepted":"1",
"newbie":"1",
"reach":"1",
"app-state":"0",
"Content-Type":"application/x-www-form-urlencoded; charset=utf-8",
"Accept-Encoding":"gzip, deflate",
"Connection":"Keep-Alive",
#"session-info":"/nbBkuN3SC7aWP//gbX4vTkVdndN+GDHUZLwNpPtYn0/s9hu1oKoT8w40F5BTi2phjghNdVQGjkjfL+gkqKJ6q1tkIvnw5HlkoEKvzbuLNkRvBqs1OF7AWPbxhxTU9yN",
"Host":"api.douguo.net",
#"Content-Length": "177",
}
data = {
'client':'4',
'_vs':'201',
}
time.sleep(1)
respone = requests.post(url=url, headers=headers,data = data)
print(respone.text)哪里出错了呢？
{"state":"fail","result":[],"message":"parameter error."}