给没有图标的按钮统一添加一个图标
update fun_event set iconcls = 'fa-bookmark-o' where show_type = 'tool' and client_method > ' ' and is_hide = '0' and iconcls is null
and event_code not in (select event_code from fun_event where fun_id in ('sysevent', 'queryevent', 'login'))