diff --git a/oap-server/server-receiver-plugin/envoy-metrics-receiver-plugin/src/main/java/org/apache/skywalking/oap/server/receiver/envoy/als/K8sALSServiceMeshHTTPAnalysis.java b/oap-server/server-receiver-plugin/envoy-metrics-receiver-plugin/src/main/java/org/apache/skywalking/oap/server/receiver/envoy/als/K8sALSServiceMeshHTTPAnalysis.java
index 320a63058..3c0a32049 100644
--- a/oap-server/server-receiver-plugin/envoy-metrics-receiver-plugin/src/main/java/org/apache/skywalking/oap/server/receiver/envoy/als/K8sALSServiceMeshHTTPAnalysis.java
+++ b/oap-server/server-receiver-plugin/envoy-metrics-receiver-plugin/src/main/java/org/apache/skywalking/oap/server/receiver/envoy/als/K8sALSServiceMeshHTTPAnalysis.java
@@ -361,7 +361,7 @@ public class K8sALSServiceMeshHTTPAnalysis implements ALSHTTPAnalysis {
         if (map.containsKey(ip)) {
             return map.get(ip);
         }
-        logger.debug("Unknown ip {}, ip -> service is {}", map);
+        logger.debug("Unknown ip {}, ip -> service is {}", ip, map);
         return ServiceMetaInfo.UNKNOWN;
     }