Logisim Mux 32 Bit Circuit

i want you to fix my logisim project, I'd like to send you to see my work to look at first. and want to know if you can solve it, This my problem " not yet Fix it right, try to make a 1bit module and take 1 bit to make a 4 bit module, then take this 4bit to make 16bit. Then take 16bit to do 32bit. "