diff --git a/apm-sniffer/apm-agent-core/src/main/java/org/skywalking/apm/agent/core/context/SW3CarrierItem.java b/apm-sniffer/apm-agent-core/src/main/java/org/skywalking/apm/agent/core/context/SW3CarrierItem.java
index 57cea7d9a..9ec00f255 100644
--- a/apm-sniffer/apm-agent-core/src/main/java/org/skywalking/apm/agent/core/context/SW3CarrierItem.java
+++ b/apm-sniffer/apm-agent-core/src/main/java/org/skywalking/apm/agent/core/context/SW3CarrierItem.java
@@ -4,11 +4,11 @@ package org.skywalking.apm.agent.core.context;
  * @author wusheng
  */
 public class SW3CarrierItem extends CarrierItem {
-    private static final String HEAD_NAME = "sw3";
+    public static final String HEADER_NAME = "sw3";
     private ContextCarrier carrier;
 
     public SW3CarrierItem(ContextCarrier carrier, CarrierItem next) {
-        super(HEAD_NAME, carrier.serialize(), next);
+        super(HEADER_NAME, carrier.serialize(), next);
         this.carrier = carrier;
     }
 
diff --git a/apm-sniffer/apm-sdk-plugin/dubbo-plugin/src/test/java/org/skywalking/apm/plugin/dubbo/DubboInterceptorTest.java b/apm-sniffer/apm-sdk-plugin/dubbo-plugin/src/test/java/org/skywalking/apm/plugin/dubbo/DubboInterceptorTest.java
index bcdc3b765..a74fbdf8f 100644
--- a/apm-sniffer/apm-sdk-plugin/dubbo-plugin/src/test/java/org/skywalking/apm/plugin/dubbo/DubboInterceptorTest.java
+++ b/apm-sniffer/apm-sdk-plugin/dubbo-plugin/src/test/java/org/skywalking/apm/plugin/dubbo/DubboInterceptorTest.java
@@ -13,9 +13,11 @@ import org.junit.Test;
 import org.junit.runner.RunWith;
 import org.mockito.Mock;
 import org.powermock.api.mockito.PowerMockito;
+import org.powermock.core.classloader.annotations.PrepareForTest;
 import org.powermock.modules.junit4.PowerMockRunner;
 import org.powermock.modules.junit4.PowerMockRunnerDelegate;
 import org.skywalking.apm.agent.core.conf.Config;
+import org.skywalking.apm.agent.core.context.SW3CarrierItem;
 import org.skywalking.apm.agent.core.context.trace.AbstractTracingSpan;
 import org.skywalking.apm.agent.core.context.trace.LogDataEntity;
 import org.skywalking.apm.agent.core.context.trace.SpanLayer;
@@ -40,6 +42,7 @@ import static org.powermock.api.mockito.PowerMockito.when;
 
 @RunWith(PowerMockRunner.class)
 @PowerMockRunnerDelegate(TracingSegmentRunner.class)
+@PrepareForTest({RpcContext.class})
 public class DubboInterceptorTest {
 
     @SegmentStoragePoint
@@ -122,7 +125,7 @@ public class DubboInterceptorTest {
     @Test
     public void testProviderWithAttachment() throws Throwable {
         when(rpcContext.isConsumerSide()).thenReturn(false);
-        when(rpcContext.getAttachment("sw3")).thenReturn("1.323.4433|3|1|1|#192.168.1.8 :18002|#/portal/|#/testEntrySpan|#AQA*#AQA*Et0We0tQNQA*");
+        when(rpcContext.getAttachment(SW3CarrierItem.HEADER_NAME)).thenReturn("1.323.4433|3|1|1|#192.168.1.8 :18002|#/portal/|#/testEntrySpan|#AQA*#AQA*Et0We0tQNQA*");
 
         dubboInterceptor.beforeMethod(enhancedInstance, null, allArguments, argumentTypes, methodInterceptResult);
         dubboInterceptor.afterMethod(enhancedInstance, null, allArguments, argumentTypes, result);
@@ -157,7 +160,7 @@ public class DubboInterceptorTest {
     private void assertTraceSegmentRef(TraceSegmentRef actual) {
         assertThat(SegmentRefHelper.getSpanId(actual), is(3));
         assertThat(SegmentRefHelper.getEntryApplicationInstanceId(actual), is(1));
-        assertThat(SegmentRefHelper.getTraceSegmentId(actual).toString(), is("1.1.15006458883500001"));
+        assertThat(SegmentRefHelper.getTraceSegmentId(actual).toString(), is("1.323.4433"));
     }
 
     private void assertProviderSpan(AbstractTracingSpan span) {
diff --git a/apm-sniffer/apm-sdk-plugin/tomcat-7.x-8.x-plugin/src/test/java/org/skywalking/apm/plugin/tomcat78x/TomcatInvokeInterceptorTest.java b/apm-sniffer/apm-sdk-plugin/tomcat-7.x-8.x-plugin/src/test/java/org/skywalking/apm/plugin/tomcat78x/TomcatInvokeInterceptorTest.java
index 8a995d6e5..f6cb22515 100644
--- a/apm-sniffer/apm-sdk-plugin/tomcat-7.x-8.x-plugin/src/test/java/org/skywalking/apm/plugin/tomcat78x/TomcatInvokeInterceptorTest.java
+++ b/apm-sniffer/apm-sdk-plugin/tomcat-7.x-8.x-plugin/src/test/java/org/skywalking/apm/plugin/tomcat78x/TomcatInvokeInterceptorTest.java
@@ -10,7 +10,7 @@ import org.junit.runner.RunWith;
 import org.mockito.Mock;
 import org.powermock.modules.junit4.PowerMockRunner;
 import org.powermock.modules.junit4.PowerMockRunnerDelegate;
-import org.skywalking.apm.agent.core.conf.Config;
+import org.skywalking.apm.agent.core.context.SW3CarrierItem;
 import org.skywalking.apm.agent.core.context.trace.AbstractTracingSpan;
 import org.skywalking.apm.agent.core.context.trace.LogDataEntity;
 import org.skywalking.apm.agent.core.context.trace.SpanLayer;
@@ -90,7 +90,7 @@ public class TomcatInvokeInterceptorTest {
 
     @Test
     public void testWithSerializedContextData() throws Throwable {
-        when(request.getHeader(Config.Plugin.Propagation.HEADER_NAME)).thenReturn("#AQA*#AQA*4WcWe0tQNQA*|3|1|1|#192.168.1.8:18002|#/portal/|#/testEntrySpan|#AQA*#AQA*Et0We0tQNQA*");
+        when(request.getHeader(SW3CarrierItem.HEADER_NAME)).thenReturn("1.234.111|3|1|1|#192.168.1.8:18002|#/portal/|#/testEntrySpan|#AQA*#AQA*Et0We0tQNQA*");
 
         tomcatInvokeInterceptor.beforeMethod(enhancedInstance, null, arguments, argumentType, methodInterceptResult);
         tomcatInvokeInterceptor.afterMethod(enhancedInstance, null, arguments, argumentType, null);
@@ -138,7 +138,7 @@ public class TomcatInvokeInterceptorTest {
     private void assertTraceSegmentRef(TraceSegmentRef ref) {
         assertThat(SegmentRefHelper.getEntryApplicationInstanceId(ref), is(1));
         assertThat(SegmentRefHelper.getSpanId(ref), is(3));
-        assertThat(SegmentRefHelper.getTraceSegmentId(ref).toString(), is("1.1.15006458883500001"));
+        assertThat(SegmentRefHelper.getTraceSegmentId(ref).toString(), is("1.234.111"));
     }
 
     private void assertHttpSpan(AbstractTracingSpan span) {