fix heartbeat extension bugs to support mutiple extensions
modify the component
modify the home jsp
meger
open cross switch
Merge pull request #615 from leonindy/master

fix serval bugs
merge the code
fix bug
Merge pull request #616 from youyong205/master

merge
Merge pull request #617 from jialinsun/master

fix bug
fix bug
fix bug
clean code
modify the ip
modify the version
modify the cat report
modify the server config manager
Merge pull request #618 from jialinsun/master

fix bug
Merge pull request #619 from youyong205/master

modify the server config manager
app code update jsp modify