我直接使用chapter3文件夹的代码加上nacos-client这个module，然后配置nacos的连接地址后namespace后报这个错

java.net.ConnectException: no available server
	at com.alibaba.nacos.client.config.http.ServerHttpAgent.httpGet(ServerHttpAgent.java:134) ~[nacos-client-1.4.1.jar:na]
	at com.alibaba.nacos.client.config.http.MetricsHttpAgent.httpGet(MetricsHttpAgent.java:51) ~[nacos-client-1.4.1.jar:na]
	at com.alibaba.nacos.client.config.impl.ClientWorker.getServerConfig(ClientWorker.java:274) ~[nacos-client-1.4.1.jar:na]
	at com.alibaba.nacos.client.config.NacosConfigService.getConfigInner(NacosConfigService.java:155) [nacos-client-1.4.1.jar:na]
	at com.alibaba.nacos.client.config.NacosConfigService.getConfig(NacosConfigService.java:98) [nacos-client-1.4.1.jar:na]
	at com.alibaba.cloud.nacos.client.NacosPropertySourceBuilder.loadNacosData(NacosPropertySourceBuilder.java:85) [spring-cloud-starter-alibaba-nacos-config-2.2.4.RELEASE.jar:2.2.4.RELEASE]
	at com.alibaba.cloud.nacos.client.NacosPropertySourceBuilder.build(NacosPropertySourceBuilder.java:73) [spring-cloud-starter-alibaba-nacos-config-2.2.4.RELEASE.jar:2.2.4.RELEASE]
	at com.alibaba.cloud.nacos.client.NacosPropertySourceLocator.loadNacosPropertySource(NacosPropertySourceLocator.java:199) [spring-cloud-starter-alibaba-nacos-config-2.2.4.RELEASE.jar:2.2.4.RELEASE]
	at com.alibaba.cloud.nacos.client.NacosPropertySourceLocator.loadNacosDataIfPresent(NacosPropertySourceLocator.java:186) [spring-cloud-starter-alibaba-nacos-config-2.2.4.RELEASE.jar:2.2.4.RELEASE]
	at com.alibaba.cloud.nacos.client.NacosPropertySourceLocator.loadApplicationConfiguration(NacosPropertySourceLocator.java:141) [spring-cloud-starter-alibaba-nacos-config-2.2.4.RELEASE.jar:2.2.4.RELEASE]
	at com.alibaba.cloud.nacos.client.NacosPropertySourceLocator.locate(NacosPropertySourceLocator.java:103) [spring-cloud-starter-alibaba-nacos-config-2.2.4.RELEASE.jar:2.2.4.RELEASE]
	at org.springframework.cloud.bootstrap.config.PropertySourceLocator.locateCollection(PropertySourceLocator.java:52) [spring-cloud-context-2.2.5.RELEASE.jar:2.2.5.RELEASE]
	at org.springframework.cloud.bootstrap.config.PropertySourceLocator.locateCollection(PropertySourceLocator.java:47) [spring-cloud-context-2.2.5.RELEASE.jar:2.2.5.RELEASE]
	at org.springframework.cloud.bootstrap.config.PropertySourceBootstrapConfiguration.initialize(PropertySourceBootstrapConfiguration.java:98) [spring-cloud-context-2.2.5.RELEASE.jar:2.2.5.RELEASE]
	at org.springframework.boot.SpringApplication.applyInitializers(SpringApplication.java:626) [spring-boot-2.3.1.RELEASE.jar:2.3.1.RELEASE]
	at org.springframework.boot.SpringApplication.prepareContext(SpringApplication.java:370) [spring-boot-2.3.1.RELEASE.jar:2.3.1.RELEASE]
	at org.springframework.boot.SpringApplication.run(SpringApplication.java:314) [spring-boot-2.3.1.RELEASE.jar:2.3.1.RELEASE]
	at org.springframework.boot.SpringApplication.run(SpringApplication.java:1237) [spring-boot-2.3.1.RELEASE.jar:2.3.1.RELEASE]
	at org.springframework.boot.SpringApplication.run(SpringApplication.java:1226) [spring-boot-2.3.1.RELEASE.jar:2.3.1.RELEASE]
	at ecommerce.NacosClientApplication.main(NacosClientApplication.java:24) [classes/:na]

java.net.ConnectException: [NACOS HTTP-POST] The maximum number of tolerable server reconnection errors has been reached
	at com.alibaba.nacos.client.config.http.ServerHttpAgent.httpPost(ServerHttpAgent.java:181) ~[nacos-client-1.4.1.jar:na]
	at com.alibaba.nacos.client.config.http.MetricsHttpAgent.httpPost(MetricsHttpAgent.java:68) ~[nacos-client-1.4.1.jar:na]
	at com.alibaba.nacos.client.config.impl.ClientWorker.checkUpdateConfigStr(ClientWorker.java:441) [nacos-client-1.4.1.jar:na]
	at com.alibaba.nacos.client.config.impl.ClientWorker.checkUpdateDataIds(ClientWorker.java:408) [nacos-client-1.4.1.jar:na]
	at com.alibaba.nacos.client.config.impl.ClientWorker$LongPollingRunnable.run(ClientWorker.java:596) [nacos-client-1.4.1.jar:na]
	at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) [na:1.8.0_91]
	at java.util.concurrent.FutureTask.run$$$capture(FutureTask.java:266) [na:1.8.0_91]
	at java.util.concurrent.FutureTask.run(FutureTask.java) [na:1.8.0_91]
	at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180) [na:1.8.0_91]
	at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293) [na:1.8.0_91]
	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142) [na:1.8.0_91]
	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617) [na:1.8.0_91]
	at java.lang.Thread.run(Thread.java:745) [na:1.8.0_91]

可我的nacos已经有这个服务名并且namespace也是对的

除此之外IDEA在启动的时候连接nacos的地址依旧是127.0.0.1而不是我虚拟机里面的地址（我的yml文件已经是虚拟机的地址了）