[api] fixed a bug in events
[api] fixed a bug in events

cloudcopy/seahub,madflow/seahub,Chilledheart/seahub,miurahr/seahub,cloudcopy/seahub,miurahr/seahub,madflow/seahub,miurahr/seahub,Chilledheart/seahub,madflow/seahub,cloudcopy/seahub,Chilledheart/seahub,miurahr/seahub,Chilledheart/seahub,madflow/seahub,Chilledheart/seahub,cloudcopy/seahub,madflow/seahub