it doesn't work for a long time Puntuado con 4 de 5 estrellas

Recently I fund it can't connect to the server for nearly two weeks.So I had to pick up google's bookmarks,I don't want to keep my books into two places.I came from china,my firefox is,I wonder anyone can tell me what's the reason.

Esta valoración es de una versión anterior del complemento (2.0.41).