解决候选人更新不成功问题

xm-cloud-bootstrap/src/main/java/com/XmApplication.java

@@ -1,8 +1,10 @@
 package com;
 
 import org.springframework.boot.SpringApplication;
+import org.springframework.cloud.client.SpringCloudApplication;
 import org.springframework.session.data.redis.config.annotation.web.http.EnableRedisHttpSession;
 
+@SpringCloudApplication
 @EnableRedisHttpSession
 public class XmApplication  {