Ayaw kumain

My baby is now 1 yr old and 8 mos.pero ayaw na ayaw niya kumain ng kanin at ulam,he only eats biscuit,minsan ayaw pa.any idea how to feed him po?niresetahan na po siya ng pedia ng vitamins good for 1 month only but still ayaw pa rin kumain.suggest naman po ng pampaboost ng apetite ni baby,worried na po kami.