url没错 Token没错 后台也有日志输出，直接返回echostr

公网可以访问,python写的后台

handle.py

# -*- coding: utf-8 -*-
# filename: handle.py

import hashlib
import web

class Handle(object):
    def GET(self):
        try:
            data = web.input()
            print(data)
            if len(data) == 0:
                return "hello, this is handle view"
            signature = data.signature
            timestamp = data.timestamp
            nonce = data.nonce
            echostr = data.echostr
            token = "shaiden109" #请按照公众平台官网\基本配置中信息填写
            list = [token, timestamp, nonce]
            list.sort()
            sha1 = hashlib.sha1()
            map(sha1.update, list)
            hashcode = sha1.hexdigest()
            print("handle/GET func: hashcode, signature: ", hashcode, signature)
            if hashcode == signature:
                return echostr
            else:
                return ""
        except Exception as e:
            print(e)
            return e

曾经做过公众号，都是因为token这个问题没做完，这个服务器已经加入白名单了。