Merge pull request #70 from heyongjian/master

pull
fix bug:JOYL-95,can not re-download the built-in software when re-networking
fix bug:JOYL-96,continue to download when update the built-in virtual Shoutcut list
Merge pull request #233 from lwanghaol/master

 fix bug:JOYL-96,continue to download when update the built-in virtual Shoutcut list