錯誤現象：讀取application.properties配置時，出現如下錯誤：spring boot configuration annotation processor not configured
解決方法：在pom.xml中添加如下依賴：
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-configuration-processor</artifactId>
<optional>true</optional>
</dependency>