移除在配置类中定义的默认端口，改为从配置文件中读取端口

src/main/java/com/smart/reader/SpringAPP.java

@@ -10,7 +10,7 @@ import java.util.Collections;
 public class SpringAPP {
     public static void main(String[] args) {
         SpringApplication app = new SpringApplication(SpringAPP.class);
-        app.setDefaultProperties(Collections.singletonMap("server.port", "8888"));
+//        app.setDefaultProperties(Collections.singletonMap("server.port", "8888"));
         app.run(args);
     }
 }