Swagger not working locally when making changes in ymal

i installed swagger using git and node.js and i could open the swagger editor in browser in http://192.168.56.1:3001/

but when create new modules and add get and post it is not working properly where are controllers located 

and also i tried updating the host with "192.168.56.1:3001" even though does not execute the newly created get and post

please help to work locally with our own modules and please help to locate the controllers in local and also to work with local host