diff --git a/agent/src/main/java/io/wdd/agent/initialization/bootup/OctopusAgentInitService.java b/agent/src/main/java/io/wdd/agent/initialization/bootup/OctopusAgentInitService.java
index e7d90c3..11d7e7b 100644
--- a/agent/src/main/java/io/wdd/agent/initialization/bootup/OctopusAgentInitService.java
+++ b/agent/src/main/java/io/wdd/agent/initialization/bootup/OctopusAgentInitService.java
@@ -9,6 +9,7 @@ import io.wdd.common.beans.rabbitmq.OctopusMessage;
 import io.wdd.common.handler.MyRuntimeException;
 import lombok.SneakyThrows;
 import lombok.extern.slf4j.Slf4j;
+import org.checkerframework.checker.units.qual.K;
 import org.springframework.amqp.core.Message;
 import org.springframework.amqp.rabbit.annotation.*;
 import org.springframework.amqp.support.AmqpHeaders;
@@ -79,7 +80,7 @@ public class OctopusAgentInitService {
             // consider the multi-agents register situation
             // judge the machineID begin
             String[] split = octopusMessage.getUuid().split("-");
-            if (!agentServerInfo.getMachineId().startsWith(split[split.length - 1])) {
+            if (!agentServerInfo.getMachineId().startsWith(split[3])) {
                 String s = "INIT Message not for this agent !";
                 log.error(s);
                 throw new MyRuntimeException(s);
@@ -90,7 +91,6 @@ public class OctopusAgentInitService {
                 throw new MyRuntimeException(" Handle Octopus Message Error !");
             }
 
-
         } catch (Exception e) {
 
             // reject the message