[FIX]fix issue of bug 877995.
[FIX]fix issue of bug 877995.

havt/openerp-web,akretion/openerp-web,akretion/openerp-web,havt/openerp-web,havt/openerp-web,akretion/openerp-web,havt/openerp-web,havt/openerp-web