SELECT `catid`, `modid`,`if_view`, `color`, `catname`, `title`, `keywords`, `description`, `parentid`, `catorder`, `dir_type`, `dir_typename`, `html_dir`, `htmlpath` FROM `my_category` WHERE if_view=2
sql语句执行失败
错误编码是2006
错误信息是MySQL server has gone away

Fatal error: Call to a member function fetch_assoc() on boolean in /home/web/zulin.com/include/db.class.php on line 105