Spring cloud eurekaclient无法识别config中配置文件

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博主在尝试使用Eureka客户端时遇到配置问题，指定了config下的eurekaclient.yml，但启动时出现 BeanCreationException，具体为无法解析'server.port'的占位符。尝试了网上多种解决方案未果，决定标记后继续研究。

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这是我在eurekaclient中的配置指向config下的eurekaclient.yml文件，

这是我eurekaclient.yml文件中的配置，

但是我启动eurekaclient的时候却报下面的错误，提示找不到配置，网上百度了半天也没找到解决办法，先mark一下，等找到再来写原因。

2019-07-05 17:38:10.140 INFO 19700 --- [ main] c.netflix.config.DynamicPropertyFactory : DynamicPropertyFactory is initialized with configuration sources: com.netflix.config.ConcurrentCompositeConfiguration@51ba952e
2019-07-05 17:38:10.758 WARN 19700 --- [ main] ConfigServletWebServerApplicationContext : Exception encountered during context initialization - cancelling refresh attempt: org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'helloController': Injection of autowired dependencies failed; nested exception is java.lang.IllegalArgumentException: Could not resolve placeholder 'server.port' in value "${server.port}"
2019-07-05 17:38:10.760 INFO 19700 --- [ main] o.apache.catalina.core.StandardService : Stopping service [Tomcat]
2019-07-05 17:38:10.766 WARN 19700 --- [ main] o.a.c.loader.WebappClassLoaderBase : The web application [ROOT] appears to have started a thread named [RxIoScheduler-1 (Evictor)] but has failed to stop it. This is very likely to create a memory leak. Stack trace of thread:
sun.misc.Unsafe.park(Native Method)
java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:215)
java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.awaitNanos(AbstractQueuedSynchronizer.java:2078)
java.util.concurrent.ScheduledThreadPoolExecutor$DelayedWorkQueue.take(ScheduledThreadPoolExecutor.java:1093)
java.util.concurrent.ScheduledThreadPoolExecutor$DelayedWorkQueue.take(ScheduledThreadPoolExecutor.java:809)
java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1074)
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1134)
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
java.lang.Thread.run(Thread.java:748)
2019-07-05 17:38:10.781 INFO 19700 --- [ main] ConditionEvaluationReportLoggingListener :

Error starting ApplicationContext. To display the conditions report re-run your application with 'debug' enabled.
2019-07-05 17:38:10.782 INFO 19700 --- [ main] com.netflix.discovery.DiscoveryClient : Shutting down DiscoveryClient ...
2019-07-05 17:38:10.793 INFO 19700 --- [ main] com.netflix.discovery.DiscoveryClient : Completed shut down of DiscoveryClient
2019-07-05 17:38:10.801 ERROR 19700 --- [ main] o.s.boot.SpringApplication : Application run failed

org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'helloController': Injection of autowired dependencies failed; nested exception is java.lang.IllegalArgumentException: Could not resolve placeholder 'server.port' in value "${server.port}"
   at org.springframework.beans.factory.annotation.AutowiredAnnotationBeanPostProcessor.postProcessProperties(AutowiredAnnotationBeanPostProcessor.java:380) ~[spring-beans-5.1.5.RELEASE.jar:5.1.5.RELEASE]
   at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.populateBean(AbstractAutowireCapableBeanFactory.java:1395) ~[spring-beans-5.1.5.RELEASE.jar:5.1.5.RELEASE]
   at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:592) ~[spring-beans-5.1.5.RELEASE.jar:5.1.5.RELEASE]
   at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:515) ~[spring-beans-5.1.5.RELEASE.jar:5.1.5.RELEASE]
   at org.springframework.beans.factory.support.AbstractBeanFactory.lambda$doGetBean$0(AbstractBeanFactory.java:320) ~[spring-beans-5.1.5.RELEASE.jar:5.1.5.RELEASE]