运行system微服务报错：
org.springframework.beans.factory.UnsatisfiedDependencyException: Error creating bean with name 'dataSourceAspect': Unsatisfied dependency expressed through field 'druidProperties'; nested exception is org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'druidProperties': Injection of autowired dependencies failed; nested exception is java.lang.IllegalArgumentException: Could not resolve placeholder 'spring.datasource.druid.initialSize' in value "${spring.datasource.druid.initialSize}"
at org.springframework.beans.factory.annotation.AutowiredAnnotationBeanPostProcessor$AutowiredFieldElement.inject(AutowiredAnnotationBeanPostProcessor.java:643)
at org.spring