more user manual
fix typo
more notice formatting
ajax rename watch; add query kind column in watch list
handle empty query
add normal search prompt; add empty query alert
hide watch ctime on small screen
snapshot rendering without scrollbar
deal pure number query
user id normal query
fix ios iframe height issue
hide watch mtime on small screen
paging watch list; refactor notices and watches
timeline in about page
fix create user error
add simple yyets support
add help page
correct query expire time
refactor redis spider life param
add yyets test