update sample code
update sample code

jacquesqiao/Paddle,pkuyym/Paddle,baidu/Paddle,Canpio/Paddle,putcn/Paddle,chengduoZH/Paddle,tensor-tang/Paddle,luotao1/Paddle,tensor-tang/Paddle,baidu/Paddle,QiJune/Paddle,tensor-tang/Paddle,reyoung/Paddle,pkuyym/Paddle,lcy-seso/Paddle,reyoung/Paddle,chengduoZH/Paddle,reyoung/Paddle,jacquesqiao/Paddle,luotao1/Paddle,reyoung/Paddle,chengduoZH/Paddle,Canpio/Paddle,luotao1/Paddle,Canpio/Paddle,PaddlePaddle/Paddle,QiJune/Paddle,luotao1/Paddle,PaddlePaddle/Paddle,QiJune/Paddle,tensor-tang/Paddle,reyoung/Paddle,Canpio/Paddle,pkuyym/Paddle,Canpio/Paddle,Canpio/Paddle,PaddlePaddle/Paddle,chengduoZH/Paddle,pkuyym/Paddle,lcy-seso/Paddle,QiJune/Paddle,pkuyym/Paddle,QiJune/Paddle,luotao1/Paddle,lcy-seso/Paddle,QiJune/Paddle,putcn/Paddle,lcy-seso/Paddle,luotao1/Paddle,PaddlePaddle/Paddle,chengduoZH/Paddle,tensor-tang/Paddle,jacquesqiao/Paddle,jacquesqiao/Paddle,lcy-seso/Paddle,reyoung/Paddle,putcn/Paddle,Canpio/Paddle,lcy-seso/Paddle,baidu/Paddle,putcn/Paddle,Canpio/Paddle,baidu/Paddle,pkuyym/Paddle,PaddlePaddle/Paddle,putcn/Paddle,jacquesqiao/Paddle,jacquesqiao/Paddle,luotao1/Paddle,baidu/Paddle,PaddlePaddle/Paddle,PaddlePaddle/Paddle,putcn/Paddle