Kibana server is not ready yet,fix it just two steps!

It is not working when i using docker to start the Kibana service,it said ‘Kibana server is not ready yet’ from web port 5601.

so, i using the command to check the Kibana’s logs~
docker logs -f kibana

The Kibana’s logs shows error message like this:

Unable to revive connection: http://elasticsearch:9200/
No living connections"

How to fix it quickly?
Just two steps below:
1.Login to the container of Kibana and modify the configuration file ‘kibana.yml’:
docker exec -it kibana /bin/bash
cd config
vi kibana.yml

like this:

2.Restart the container of Kibana after exit:

exit
docker restart kibana