可发送 ：
12
ai
a1
pq

不可发送：
asd
aw1
12345
汉
字

群内无法发送图片
私聊好友一切正常

python 代码

s1 = requests.session()
#登录省略
def sendImageMessage(sessionKey, ID, imgUrl):
    j = {
        "sessionKey": sessionKey,
        # "qq": ID,
        "group": ID,
        "urls": [imgUrl]
}

    res = requests.post(mainUrl + '/sendImageMessage', json=j)
    print(res.text)

s1 = requests.session()
#登录省略
def uploadImage(sessionKey, type1, imgName):
    data = {
        'sessionKey': sessionKey,
        'type': type1,
    }
 
    params = {"img": (imgName, open(imgName, 'rb'))}

    res = requests.post(mainUrl + '/uploadImage', data=data, files=params)

    print(res.text)
    return eval(res.content)["url"]

def sendGroupMessage(sessionKey, groupID, msg):
    j = {
        "sessionKey": sessionKey,
        "group": groupID,
        "messageChain": [
            {"type": "Plain", "text": msg}


        ]
    }
 
    print(s1.post(mainUrl + '/sendGroupMessage', json=j).text)