DONE:update doc---TODO:
DONE:update doc---TODO:

Former-commit-id: e1c92536dc97a43ed4f10ca4cfa39f211102c711
Former-commit-id: aaef97ed81c48cc1c0225902068c9f9e806c55f9
chengpohi/elasticdsl,chengpohi/elasticshell