Too emotional

  This morning after I refer to seveal friends for yesterday's problem,I still haven't resolve it:<

  Then ,I googled the key words"javascript null....",I saw an article which said unnormal

javascript may produced from change lines.So all of a sudden,I realize that if there is

a problem with my datas of database.When I check it ,it really have a problem-----there

is a line feed between the data of table menu_item