Hello..It could be plantae fascitis.It,s 1 year old so my advise is take physiotherapy treatment ultra sound and wax and ift and learn some exercise n do it regulary.
Next Steps
Visit physiotherapy center.
Health Tips
Do contrast bath, you have to deep foot in hot water for 3 mins followed by deep in cold water do it 5-6 repetation n 2 -3 times a day. And donot wear high heel shoes n wear soft slipper or MCR slipper . Don't walk bare foot. If you r doing any sports activity than stop it for while.