remove debug code
remove debug code

raydeng83/growth,raydeng83/growth,raydeng83/growth,raydeng83/growth,raydeng83/growth,raydeng83/growth,raydeng83/growth,raydeng83/growth,raydeng83/growth,raydeng83/growth,raydeng83/growth,raydeng83/growth,raydeng83/growth,raydeng83/growth,raydeng83/growth,raydeng83/growth,raydeng83/growth