diff --git a/src/main/java/org/eclipse/xpanse/terraform/boot/logging/CustomRequestIdGenerator.java b/src/main/java/org/eclipse/xpanse/terraform/boot/logging/CustomRequestIdGenerator.java
index 01e0a6f..213ddc7 100644
--- a/src/main/java/org/eclipse/xpanse/terraform/boot/logging/CustomRequestIdGenerator.java
+++ b/src/main/java/org/eclipse/xpanse/terraform/boot/logging/CustomRequestIdGenerator.java
@@ -16,12 +16,20 @@
  */
 public class CustomRequestIdGenerator implements CorrelationId {
 
+    /**
+     * The key of the request id in MDC.
+     */
     public static final String REQUEST_ID = "REQUEST_ID";
 
+    /**
+     * The key of the tracking id in MDC.
+     */
+    private static final String TRACKING_ID = "TRACKING_ID";
+
     @Override
     public String generate(@NonNull HttpRequest request) {
         String uuid = UUID.randomUUID().toString();
-        MDC.put(REQUEST_ID, uuid);
+        MDC.put(TRACKING_ID, uuid);
         return uuid;
     }
 }
diff --git a/src/main/resources/logback.xml b/src/main/resources/logback.xml
index f54a89f..d38a068 100644
--- a/src/main/resources/logback.xml
+++ b/src/main/resources/logback.xml
@@ -10,7 +10,7 @@
   <appender name="Console" class="ch.qos.logback.core.ConsoleAppender">
     <encoder>
       <Pattern>
-        %d{HH:mm:ss.SSS} [%t] %-5level %logger{36} [%X{REQUEST_ID}]- %msg%n
+        %d{yyyyMMdd HH:mm:ss.SSS} [%t] %-5level %logger{36} [%X{TRACKING_ID}] [%X{REQUEST_ID}]- %msg%n
       </Pattern>
     </encoder>
   </appender>