diff --git a/sermant-agentcore/sermant-agentcore-core/src/main/java/io/sermant/core/AgentCoreEntrance.java b/sermant-agentcore/sermant-agentcore-core/src/main/java/io/sermant/core/AgentCoreEntrance.java
index defccf2149..c048519ff7 100644
--- a/sermant-agentcore/sermant-agentcore-core/src/main/java/io/sermant/core/AgentCoreEntrance.java
+++ b/sermant-agentcore/sermant-agentcore-core/src/main/java/io/sermant/core/AgentCoreEntrance.java
@@ -85,10 +85,10 @@ public static void install(String artifact, Map<String, Object> argsMap, Instrum
             agentType = AgentType.AGENTMAIN.getValue();
         }
         artifactCache = artifact;
-        adviserCache = new DefaultAdviser();
 
         // Initialize default logs to ensure log availability before loading the log engine
         LoggerFactory.initDefaultLogger(artifact);
+        adviserCache = new DefaultAdviser();
 
         // Initialize the classloader of framework
         ClassLoaderManager.init(argsMap);
diff --git a/sermant-agentcore/sermant-agentcore-core/src/main/java/io/sermant/core/common/LoggerFactory.java b/sermant-agentcore/sermant-agentcore-core/src/main/java/io/sermant/core/common/LoggerFactory.java
index 0df7bb33e4..0a2d1b234f 100644
--- a/sermant-agentcore/sermant-agentcore-core/src/main/java/io/sermant/core/common/LoggerFactory.java
+++ b/sermant-agentcore/sermant-agentcore-core/src/main/java/io/sermant/core/common/LoggerFactory.java
@@ -97,7 +97,7 @@ public static Logger getLogger() {
         if (defaultLogger == null) {
             synchronized (LoggerFactory.class) {
                 if (defaultLogger == null) {
-                    defaultLogger = java.util.logging.Logger.getLogger("sermant");
+                    defaultLogger = java.util.logging.Logger.getLogger("sermant.default");
                 }
             }
         }