W2A(ip_adress)//怎么错了呢??????
wstring ip_adress = _T("192.168.1.85");
char m_service_server_ip[128];
char m_service_server_ip = W2A(ip_adress);
[解决办法]

  wchar_t const * ip_adress = _T("192.168.1.85");
  strncpy(m_service_server_ip, CW2A(ip_adress), 127);