update releasing doc
update releasing doc

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