空间确定，开始挑选blog

loveyuki's: most mentioned single-user blog provided free online
http://www.sleepingcats.net/lblog/

Zhufei's: developer considered that it has too many bugs and will not be modified
              BUT a tutorial provides methods which can beautify the interface of dblog.
http://www.sleepingcats.net/dblog/

oioj.net: seems like more complex than others
            AND have a updated bbs and lots of fans there
http://www.sleepingcats.net/oblog/

Upgrade version of Loveyuki's: look like better
http://www.sleepingcats.net/?lblog/

Just keep in the archives. I will make a decision after study more.