add insert_op for block
add insert_op for block

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