fixed a bug in PR #258
fixed a bug in PR #258

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