diff --git a/skywalking-application-toolkit/skywalking-toolkit-log4j-2.x/src/main/java/com/a/eye/skywalking/toolkit/log4j/v2/x/Log4j2OutputAppender.java b/skywalking-application-toolkit/skywalking-toolkit-log4j-2.x/src/main/java/com/a/eye/skywalking/toolkit/log4j/v2/x/Log4j2OutputAppender.java
new file mode 100644
index 0000000000000000000000000000000000000000..890df092d2d032274d01e16567352abbdc00c64a
--- /dev/null
+++ b/skywalking-application-toolkit/skywalking-toolkit-log4j-2.x/src/main/java/com/a/eye/skywalking/toolkit/log4j/v2/x/Log4j2OutputAppender.java
@@ -0,0 +1,10 @@
+package com.a.eye.skywalking.toolkit.log4j.v2.x;
+
+/**
+ * Created by wusheng on 2016/12/11.
+ */
+public class Log4j2OutputAppender {
+    public static void append(StringBuilder toAppendTo){
+        toAppendTo.append("TID: N/A");
+    }
+}
diff --git a/skywalking-application-toolkit/skywalking-toolkit-log4j-2.x/src/main/java/com/a/eye/skywalking/toolkit/log4j/v2/x/TraceIdConverter.java b/skywalking-application-toolkit/skywalking-toolkit-log4j-2.x/src/main/java/com/a/eye/skywalking/toolkit/log4j/v2/x/TraceIdConverter.java
index f01726bc0cb425c4754754b16a0ab998c68ce378..046081eef4d0570ca1184d65cc797070741b6cc5 100644
--- a/skywalking-application-toolkit/skywalking-toolkit-log4j-2.x/src/main/java/com/a/eye/skywalking/toolkit/log4j/v2/x/TraceIdConverter.java
+++ b/skywalking-application-toolkit/skywalking-toolkit-log4j-2.x/src/main/java/com/a/eye/skywalking/toolkit/log4j/v2/x/TraceIdConverter.java
@@ -29,6 +29,6 @@ public class TraceIdConverter extends LogEventPatternConverter {
 
     @Override
     public void format(LogEvent event, StringBuilder toAppendTo) {
-        toAppendTo.append("TID: N/A");
+        Log4j2OutputAppender.append(toAppendTo);
     }
 }
diff --git a/skywalking-sniffer/skywalking-toolkit-activation/skywalking-toolkit-log4j-2.x-activation/src/main/java/com/a/eye/skywalking/toolkit/activation/log4j/v2/x/Log4j2OutputAppenderActivation.java b/skywalking-sniffer/skywalking-toolkit-activation/skywalking-toolkit-log4j-2.x-activation/src/main/java/com/a/eye/skywalking/toolkit/activation/log4j/v2/x/Log4j2OutputAppenderActivation.java
new file mode 100644
index 0000000000000000000000000000000000000000..4a99f4bcfe5f0caf6c169883d986adbe16cb621c
--- /dev/null
+++ b/skywalking-sniffer/skywalking-toolkit-activation/skywalking-toolkit-log4j-2.x-activation/src/main/java/com/a/eye/skywalking/toolkit/activation/log4j/v2/x/Log4j2OutputAppenderActivation.java
@@ -0,0 +1,31 @@
+package com.a.eye.skywalking.toolkit.activation.log4j.v2.x;
+
+import com.a.eye.skywalking.plugin.interceptor.MethodMatcher;
+import com.a.eye.skywalking.plugin.interceptor.StaticMethodsInterceptPoint;
+import com.a.eye.skywalking.plugin.interceptor.enhance.ClassStaticMethodsEnhancePluginDefine;
+import com.a.eye.skywalking.plugin.interceptor.matcher.SimpleMethodMatcher;
+
+/**
+ * Created by wusheng on 2016/12/7.
+ */
+public class Log4j2OutputAppenderActivation extends ClassStaticMethodsEnhancePluginDefine {
+    @Override
+    protected String enhanceClassName() {
+        return "com.a.eye.skywalking.toolkit.log4j.v2.x.Log4j2OutputAppender";
+    }
+
+    @Override
+    protected StaticMethodsInterceptPoint[] getStaticMethodsInterceptPoints() {
+        return new StaticMethodsInterceptPoint[]{new StaticMethodsInterceptPoint() {
+            @Override
+            public MethodMatcher[] getMethodsMatchers() {
+                return new MethodMatcher[]{new SimpleMethodMatcher("append")};
+            }
+
+            @Override
+            public String getMethodsInterceptor() {
+                return "com.a.eye.skywalking.toolkit.activation.log4j.v2.x.PrintTraceIdInterceptor";
+            }
+        }};
+    }
+}
diff --git a/skywalking-sniffer/skywalking-toolkit-activation/skywalking-toolkit-log4j-2.x-activation/src/main/java/com/a/eye/skywalking/toolkit/activation/log4j/v2/x/PrintTraceIdInterceptor.java b/skywalking-sniffer/skywalking-toolkit-activation/skywalking-toolkit-log4j-2.x-activation/src/main/java/com/a/eye/skywalking/toolkit/activation/log4j/v2/x/PrintTraceIdInterceptor.java
index 3aee17f0b30750f029e916b432c71fa520613ade..6fd22bcc5cdd23c7d24838c2486fed6ba17d8bcf 100644
--- a/skywalking-sniffer/skywalking-toolkit-activation/skywalking-toolkit-log4j-2.x-activation/src/main/java/com/a/eye/skywalking/toolkit/activation/log4j/v2/x/PrintTraceIdInterceptor.java
+++ b/skywalking-sniffer/skywalking-toolkit-activation/skywalking-toolkit-log4j-2.x-activation/src/main/java/com/a/eye/skywalking/toolkit/activation/log4j/v2/x/PrintTraceIdInterceptor.java
@@ -2,16 +2,14 @@ package com.a.eye.skywalking.toolkit.activation.log4j.v2.x;
 
 import com.a.eye.skywalking.api.Tracing;
 import com.a.eye.skywalking.plugin.interceptor.EnhancedClassInstanceContext;
-import com.a.eye.skywalking.plugin.interceptor.enhance.InstanceMethodInvokeContext;
-import com.a.eye.skywalking.plugin.interceptor.enhance.InstanceMethodsAroundInterceptor;
-import com.a.eye.skywalking.plugin.interceptor.enhance.MethodInterceptResult;
+import com.a.eye.skywalking.plugin.interceptor.enhance.*;
 
 /**
  * Created by wusheng on 2016/12/7.
  */
-public class PrintTraceIdInterceptor implements InstanceMethodsAroundInterceptor {
+public class PrintTraceIdInterceptor implements StaticMethodsAroundInterceptor {
     @Override
-    public void beforeMethod(EnhancedClassInstanceContext context, InstanceMethodInvokeContext interceptorContext, MethodInterceptResult result) {
+    public void beforeMethod(StaticMethodInvokeContext interceptorContext, MethodInterceptResult result) {
         ((StringBuilder)interceptorContext.allArguments()[1]).append("TID:" + Tracing.getTraceId());
 
         //make sure origin method do not invoke.
@@ -19,12 +17,12 @@ public class PrintTraceIdInterceptor implements InstanceMethodsAroundInterceptor
     }
 
     @Override
-    public Object afterMethod(EnhancedClassInstanceContext context, InstanceMethodInvokeContext interceptorContext, Object ret) {
-        return ret;
+    public Object afterMethod(StaticMethodInvokeContext interceptorContext, Object ret) {
+        return null;
     }
 
     @Override
-    public void handleMethodException(Throwable t, EnhancedClassInstanceContext context, InstanceMethodInvokeContext interceptorContext) {
+    public void handleMethodException(Throwable t, MethodInvokeContext interceptorContext) {
 
     }
 }
diff --git a/skywalking-sniffer/skywalking-toolkit-activation/skywalking-toolkit-log4j-2.x-activation/src/main/java/com/a/eye/skywalking/toolkit/activation/log4j/v2/x/TraceIdConverterActivation.java b/skywalking-sniffer/skywalking-toolkit-activation/skywalking-toolkit-log4j-2.x-activation/src/main/java/com/a/eye/skywalking/toolkit/activation/log4j/v2/x/TraceIdConverterActivation.java
deleted file mode 100644
index 233ae4f4a33d9f7cba62a526215ea52a332bbbfe..0000000000000000000000000000000000000000
--- a/skywalking-sniffer/skywalking-toolkit-activation/skywalking-toolkit-log4j-2.x-activation/src/main/java/com/a/eye/skywalking/toolkit/activation/log4j/v2/x/TraceIdConverterActivation.java
+++ /dev/null
@@ -1,37 +0,0 @@
-package com.a.eye.skywalking.toolkit.activation.log4j.v2.x;
-
-import com.a.eye.skywalking.plugin.interceptor.ConstructorInterceptPoint;
-import com.a.eye.skywalking.plugin.interceptor.InstanceMethodsInterceptPoint;
-import com.a.eye.skywalking.plugin.interceptor.MethodMatcher;
-import com.a.eye.skywalking.plugin.interceptor.enhance.ClassInstanceMethodsEnhancePluginDefine;
-import com.a.eye.skywalking.plugin.interceptor.matcher.SimpleMethodMatcher;
-
-/**
- * Created by wusheng on 2016/12/7.
- */
-public class TraceIdConverterActivation extends ClassInstanceMethodsEnhancePluginDefine {
-    @Override
-    protected String enhanceClassName() {
-        return "com.a.eye.skywalking.toolkit.log4j.v2.x.TraceIdConverter";
-    }
-
-    @Override
-    protected ConstructorInterceptPoint[] getConstructorsInterceptPoints() {
-        return null;
-    }
-
-    @Override
-    protected InstanceMethodsInterceptPoint[] getInstanceMethodsInterceptPoints() {
-        return new InstanceMethodsInterceptPoint[]{new InstanceMethodsInterceptPoint() {
-            @Override
-            public MethodMatcher[] getMethodsMatchers() {
-                return new MethodMatcher[]{new SimpleMethodMatcher("format")};
-            }
-
-            @Override
-            public String getMethodsInterceptor() {
-                return "com.a.eye.skywalking.toolkit.activation.log4j.v2.x.PrintTraceIdInterceptor";
-            }
-        }};
-    }
-}
diff --git a/skywalking-sniffer/skywalking-toolkit-activation/skywalking-toolkit-log4j-2.x-activation/src/main/resources/skywalking-plugin.def b/skywalking-sniffer/skywalking-toolkit-activation/skywalking-toolkit-log4j-2.x-activation/src/main/resources/skywalking-plugin.def
index bba23263ec18a8cbf0452029f58abe323d31762c..8fc2dd7501e85df77fe15172e0e50828b3952dba 100644
--- a/skywalking-sniffer/skywalking-toolkit-activation/skywalking-toolkit-log4j-2.x-activation/src/main/resources/skywalking-plugin.def
+++ b/skywalking-sniffer/skywalking-toolkit-activation/skywalking-toolkit-log4j-2.x-activation/src/main/resources/skywalking-plugin.def
@@ -1 +1 @@
-com.a.eye.skywalking.toolkit.activation.log4j.v2.x.TraceIdConverterActivation
+com.a.eye.skywalking.toolkit.activation.log4j.v2.x.Log4j2OutputAppenderActivation