update accoding to the code review
update accoding to the code review

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