Since March 3rd, 2005, many BBS in China universities, including Memoirs of a Geisha, Tsinghua, Shui Mu, unnamed BBS of Peking University, Sun Moon Guanghua of Fudan University, Haina Baichuan of Zhejiang University, Siyuan of Shanghai Jiaotong University, BBS of Terracotta Warriors and Horses of Xi Jiaotong University, Revealing the Truth of Beijing Post, Nankai I Love Nankai, Wuta Luojia Mountain Water, etc., have been undergoing "system maintenance" one after another (except for the BBS of Terracotta Warriors and Horses, which was declared by the relevant departments because of the "two sessions".