Elasticsearch node_master change to offline when start node_data - elasticsearch

Question

My server EC2 have two node, when i start node_data by command /home/esdata/bin/elasticsearch,
node_master is running change to offline
Logs in node_data, have message error:
[2020-12-15T18:08:57,391][WARN ][o.e.c.c.ClusterFormationFailureHelper] [node_data_1] master not discovered yet: have discovered [{node_data_1}{elNK7JY9S4-E51sUY5zitw}{cDTkyu3bTmypDseY7IFrxw}{localhost}{127.0.0.1:8300}{drt}{xpack.installed=true, transform.node=true}]; discovery will continue using [127.0.0.1:9300] from hosts providers and [] from last-known cluster state; node term 0, last-accepted version 0 in term 0
[2020-12-15T18:09:07,392][WARN ][o.e.c.c.ClusterFormationFailureHelper] [node_data_1] master not discovered yet: have discovered [{node_data_1}{elNK7JY9S4-E51sUY5zitw}{cDTkyu3bTmypDseY7IFrxw}{localhost}{127.0.0.1:8300}{drt}{xpack.installed=true, transform.node=true}]; discovery will continue using [127.0.0.1:9300] from hosts providers and [] from last-known cluster state; node term 0, last-accepted version 0 in term 0
I try curl it, and result bellow:
root#ip-xxx:~# curl -XGET http://localhost:9201
{
"name" : "node_data_1",
"cluster_name" : "eslasticsearch",
"cluster_uuid" : "_na_",
"version" : {
"number" : "7.9.1",
"build_flavor" : "default",
"build_type" : "tar",
"build_hash" : "083627f112ba94dffc1232e8b42b73492789ef91",
"build_date" : "2020-09-01T21:22:21.964974Z",
"build_snapshot" : false,
"lucene_version" : "8.6.2",
"minimum_wire_compatibility_version" : "6.8.0",
"minimum_index_compatibility_version" : "6.0.0-beta1"
},
"tagline" : "You Know, for Search"
}
root#ip-xxx:~# curl -XGET http://localhost:9200
curl: (7) Failed to connect to localhost port 9200: Connection refused
config for node_master in /etc/elasticsearch/elasticsearch.yml
cluster.name: elasticsearch
node.name: node_master
node.master: true
node.data: true
node.ingest: false
node.ml: false
transport.host: localhost
transport.tcp.port: 9300
path.data: /var/lib/elasticsearch
path.logs: /var/log/elasticsearch
network.host: 0.0.0.0
http.port: 9200
discovery.seed_hosts: ["127.0.0.1:9300", "127.0.0.1:8300"]
cluster.initial_master_nodes: ["node_master"]
and config for node_data in /home/esdata/config.yml
cluster.name: elasticsearch
node.name: node_data_1
node.master: false
node.data: true
node.ingest: false
node.ml: false
transport.host: localhost
transport.tcp.port: 8300
network.host: 0.0.0.0
http.port: 9201
discovery.seed_hosts: ["127.0.0.1:9300", "127.0.0.1:8300"]
Can someone help me fix it? Do I've to run two ES instance? How can I do this?
Thanks in advance.