Not able to resubmit form after submitting once

Question

Sir I have been using infopath and SharePoint 2013 to costmize SharePoint list and I have created 02 view one view is a default view which accept the data from users in other view approver approves the user fill data it is switching between views successfully but when user submit the form after that approver open the form It opens in SharePoint display mode only where my submit button is not visible then I require to click on edit button of ribbon then only approver can see the submit button. But in case of SharePoint library it is not the case so requested to look into Thanks and Regards