fix a bug which read users.xml from cache so add a time param to the request string .
fix a bug which read users.xml from cache so add a time param to the request string .

Signed-off-by: hbddingding <eb7c40690d8c9dab6d88e855402dcb81fbc49756@126.com>

h136799711/Practise_Rep,h136799711/Practise_Rep,h136799711/Practise_Rep,h136799711/Practise_Rep