diff --git a/client/src/main/java/com/alibaba/nacos/client/naming/beat/BeatInfo.java b/client/src/main/java/com/alibaba/nacos/client/naming/beat/BeatInfo.java
index 158bde87b..98d6d40b2 100644
--- a/client/src/main/java/com/alibaba/nacos/client/naming/beat/BeatInfo.java
+++ b/client/src/main/java/com/alibaba/nacos/client/naming/beat/BeatInfo.java
@@ -30,7 +30,7 @@ public class BeatInfo {
     private String serviceName;
     private String cluster;
     private Map<String, String> metadata;
-    private boolean scheduled;
+    private volatile boolean scheduled;
 
     @Override
     public String toString() {