windows下修改elasticsearch.yml后报错,冒号之后加了空格!这是什么问题呢

SettingsException[Failed to load settings from [elasticsearch.yml]]; nested: JsonParseException[Duplicate field 'network.host'

 at [Source: sun.nio.ch.ChannelInputStream@dd0c991; line: 97, column: 13]];

        at org.elasticsearch.common.settings.Settings$Builder.loadFromStream(Settings.java:1097)

        at org.elasticsearch.common.settings.Settings$Builder.loadFromPath(Settings.java:1070)

        at org.elasticsearch.node.InternalSettingsPreparer.prepareEnvironment(InternalSettingsPreparer.java:83)

        at org.elasticsearch.cli.EnvironmentAwareCommand.createEnv(EnvironmentAwareCommand.java:95)

        at org.elasticsearch.cli.EnvironmentAwareCommand.execute(EnvironmentAwareCommand.java:86)

        at org.elasticsearch.cli.Command.mainWithoutErrorHandling(Command.java:124)

        at org.elasticsearch.cli.Command.main(Command.java:90)

        at org.elasticsearch.bootstrap.Elasticsearch.main(Elasticsearch.java:115)

        at org.elasticsearch.bootstrap.Elasticsearch.main(Elasticsearch.java:92)

Caused by: com.fasterxml.jackson.core.JsonParseException: Duplicate field 'network.host'

 at [Source: sun.nio.ch.ChannelInputStream@dd0c991; line: 97, column: 13]

        at com.fasterxml.jackson.core.json.JsonReadContext._checkDup(JsonReadContext.java:204)

        at com.fasterxml.jackson.core.json.JsonReadContext.setCurrentName(JsonReadContext.java:198)

        at com.fasterxml.jackson.dataformat.yaml.YAMLParser.nextToken(YAMLParser.java:372)

        at org.elasticsearch.common.xcontent.json.JsonXContentParser.nextToken(JsonXContentParser.java:52)

        at org.elasticsearch.common.settings.Settings.fromXContent(Settings.java:645)

        at org.elasticsearch.common.settings.Settings.fromXContent(Settings.java:620)

        at org.elasticsearch.common.settings.Settings.access$400(Settings.java:82)

        at org.elasticsearch.common.settings.Settings$Builder.loadFromStream(Settings.java:1093)

        ... 8 more

这是我的elasticsearch.yml  master配置

http.cors.enabled: true

http.cors.allow-origin: "*"

cluster.name: kiwi

node.name: master

node.master: true

network.host: 127.0.0.1