功能描述: 企业微信客户端聊天收发图片以及小文件功能(小于20M)
IP列表增加:
    电信: 183.60.230.148,183.60.230.149,183.60.230.143,183.60.230.146,183.60.230.147,183.60.230.144,183.60.230.145,183.60.230.160,183.60.230.161,183.60.230.162,183.60.230.163,183.60.230.168,183.60.230.169,183.60.230.188,183.60.230.189,183.60.230.186,183.60.230.187