diff --git a/elasticjob-lite/elasticjob-lite-core/src/main/java/org/apache/shardingsphere/elasticjob/lite/internal/server/ServerService.java b/elasticjob-lite/elasticjob-lite-core/src/main/java/org/apache/shardingsphere/elasticjob/lite/internal/server/ServerService.java
index b2bb8a223e..9b3d97432b 100644
--- a/elasticjob-lite/elasticjob-lite-core/src/main/java/org/apache/shardingsphere/elasticjob/lite/internal/server/ServerService.java
+++ b/elasticjob-lite/elasticjob-lite-core/src/main/java/org/apache/shardingsphere/elasticjob/lite/internal/server/ServerService.java
@@ -81,7 +81,8 @@ public boolean isAvailableServer(final String ip) {
     
     private boolean hasOnlineInstances(final String ip) {
         for (String each : jobNodeStorage.getJobNodeChildrenKeys(InstanceNode.ROOT)) {
-            if (each.startsWith(ip)) {
+            String eachIp = each.split("@-@")[0];
+            if (eachIp.equals(ip)) {
                 return true;
             }
         }