| 您可以到后台  系统工具  数据库升级下列语句: 
 复制代码 DROP TABLE IF EXISTS cdb_sessions;
CREATE TABLE cdb_sessions (
  sid char(6) binary NOT NULL default '',
  ip1 tinyint(3) unsigned NOT NULL default '0',
  ip2 tinyint(3) unsigned NOT NULL default '0',
  ip3 tinyint(3) unsigned NOT NULL default '0',
  ip4 tinyint(3) unsigned NOT NULL default '0',
  uid mediumint(8) unsigned NOT NULL default '0',
  username char(15) NOT NULL default '',
  groupid smallint(6) unsigned NOT NULL default '0',
  styleid smallint(6) unsigned NOT NULL default '0',
  invisible tinyint(1) NOT NULL default '0',
  `action` tinyint(1) unsigned NOT NULL default '0',
  lastactivity int(10) unsigned NOT NULL default '0',
  lastolupdate int(10) unsigned NOT NULL default '0',
  pageviews smallint(6) unsigned NOT NULL default '0',
  seccode smallint(6) unsigned NOT NULL default '0',
  fid smallint(6) unsigned NOT NULL default '0',
  tid mediumint(8) unsigned NOT NULL default '0',
  bloguid mediumint(8) unsigned NOT NULL default '0',
  UNIQUE KEY sid (sid),
  KEY uid (uid),
  KEY bloguid (bloguid)
) TYPE=Heap;
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