click a object but yellow outline is not appear If i click the hair, shoes, clothes object and yellow outline is appear.

But, click the body object yellow outline is not appear.
why yellow outline is not appear?!

I don't check "only render". 

I don't uncheck "little icon about selection".

I don't click "Properties > Object > Display > Transparency"

If you have experience please give me some advice.
On the right side (blender shortcut - n key ) is a Display - Outline Selected