升级spring-boot-admin到最新版2.3.1

pom.xml

@@ -20,7 +20,7 @@
         <spring-boot.version>2.3.4.RELEASE</spring-boot.version>
         <spring-cloud.version>Hoxton.SR8</spring-cloud.version>
         <spring-cloud-alibaba.version>2.2.3.RELEASE</spring-cloud-alibaba.version>
-		<spring-boot-admin.version>2.3.0</spring-boot-admin.version>
+		<spring-boot-admin.version>2.3.1</spring-boot-admin.version>
         <spring-boot.mybatis>2.1.3</spring-boot.mybatis>
         <swagger.fox.version>2.9.2</swagger.fox.version>
         <swagger.core.version>1.5.24</swagger.core.version>