But we try to solve your problem by updating ARP http://bbs.espressif.com/viewtopic.php?f=7&t=104&p=346#p346
Please have a try and feel free to let me know if you have any question.
You can post your question on Espressif official BBS http://bbs.espressif.com/ , so we can know it sooner.
Thanks for your interest in ESP8266 ! Merry Christmas!