when crawling Youdao Translation with scrapy, it is normal to return errorcode:50, with requests.
def get_result(self):
"""headers"""
headers = {
"referer": "https://www.baidu.com/",
"cookie": "OUTFOX_SEARCH_USER_ID=-2022895048@10.168.8.76;",
"user-agent": "Mozilla/5.0 (Linux; Android 5.1.1; Nexus 6 Build/LYZ28E) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/63.0.3239.84 Mobile Safari/537.36",
}
data = {"i": "hello",
"from": "AUTO",
"to": "AUTO",
"smartresult": "dict",
"client": "fanyideskweb",
"salt": "1523323753717",
"sign": "e9243107c4256bef73cd95bef15006e0",
"doctype": "json",
"version": "2.1",
"keyfrom": "fanyi.web",
"action": "FY_BY_CL1CKBUTTON",
"typoResult": "true"}
html = requests.post(self.url, data=data, headers=headers).text
print(html)
infos = json.loads(html)
if "translateResult" in infos:
try:
result = infos["translateResult"][0][0]["tgt"]
print(result)
except:
pass the above is in requests mode, and the code is copied from fish C. I wrote the data part of it for analysis, and the translation result can be obtained. The result is as follows 
scrapyheaderdataerrorcode:50
is a rookie who doesn"t understand and hasn"t started yet to ask for advice