diff --git a/skywalking-application-toolkit/skywalking-toolkit-log4j-1.x/pom.xml b/skywalking-application-toolkit/skywalking-toolkit-log4j-1.x/pom.xml
index 2a7540b47..7b4c46b39 100644
--- a/skywalking-application-toolkit/skywalking-toolkit-log4j-1.x/pom.xml
+++ b/skywalking-application-toolkit/skywalking-toolkit-log4j-1.x/pom.xml
@@ -16,7 +16,7 @@
             <groupId>log4j</groupId>
             <artifactId>log4j</artifactId>
             <version>1.2.17</version>
-            <scope>compile</scope>
+            <scope>provided</scope>
         </dependency>
     </dependencies>
 
diff --git a/skywalking-sniffer/skywalking-agent/src/main/java/com/a/eye/skywalking/agent/SkyWalkingAgent.java b/skywalking-sniffer/skywalking-agent/src/main/java/com/a/eye/skywalking/agent/SkyWalkingAgent.java
index c64dc67b0..188261898 100644
--- a/skywalking-sniffer/skywalking-agent/src/main/java/com/a/eye/skywalking/agent/SkyWalkingAgent.java
+++ b/skywalking-sniffer/skywalking-agent/src/main/java/com/a/eye/skywalking/agent/SkyWalkingAgent.java
@@ -1,7 +1,6 @@
 package com.a.eye.skywalking.agent;
 
 import com.a.eye.skywalking.agent.junction.SkyWalkingEnhanceMatcher;
-import com.a.eye.skywalking.client.Agent2RoutingClient;
 import com.a.eye.skywalking.conf.Config;
 import com.a.eye.skywalking.conf.ConfigInitializer;
 import com.a.eye.skywalking.logging.EasyLogResolver;
@@ -37,7 +36,6 @@ public class SkyWalkingAgent {
 
         initConfig();
 
-        Agent2RoutingClient.INSTANCE.onReady();
         final PluginDefineCategory pluginDefineCategory = PluginDefineCategory.category(new PluginBootstrap().loadPlugins());
 
         new AgentBuilder.Default().type(enhanceClassMatcher(pluginDefineCategory).and(not(isInterface()))).transform(new AgentBuilder.Transformer() {
diff --git a/skywalking-sniffer/skywalking-api/src/main/java/com/a/eye/skywalking/client/Agent2RoutingClient.java b/skywalking-sniffer/skywalking-api/src/main/java/com/a/eye/skywalking/client/Agent2RoutingClient.java
index a96af9931..13ab0ad04 100644
--- a/skywalking-sniffer/skywalking-api/src/main/java/com/a/eye/skywalking/client/Agent2RoutingClient.java
+++ b/skywalking-sniffer/skywalking-api/src/main/java/com/a/eye/skywalking/client/Agent2RoutingClient.java
@@ -10,14 +10,12 @@ import com.a.eye.skywalking.logging.api.LogManager;
 import com.a.eye.skywalking.network.Client;
 import com.a.eye.skywalking.network.grpc.AckSpan;
 import com.a.eye.skywalking.network.grpc.RequestSpan;
-import com.a.eye.skywalking.network.grpc.SendResult;
 import com.a.eye.skywalking.network.grpc.client.SpanStorageClient;
 import com.a.eye.skywalking.network.listener.client.StorageClientListener;
 
 import java.util.ArrayList;
 import java.util.List;
 import java.util.Random;
-import java.util.concurrent.locks.LockSupport;
 
 /**
  * Created by wusheng on 2016/11/27.
@@ -46,6 +44,8 @@ public class Agent2RoutingClient extends Thread {
             addrList.add(new ServerAddr(addrSegments[0], addrSegments[1]));
         }
         listener = new NetworkListener();
+
+        onReady();
     }
 
     public void onReady() {
diff --git a/skywalking-sniffer/skywalking-api/src/main/java/com/a/eye/skywalking/logging/EasyLogger.java b/skywalking-sniffer/skywalking-api/src/main/java/com/a/eye/skywalking/logging/EasyLogger.java
index e8e74cb3d..c9bd7b471 100644
--- a/skywalking-sniffer/skywalking-api/src/main/java/com/a/eye/skywalking/logging/EasyLogger.java
+++ b/skywalking-sniffer/skywalking-api/src/main/java/com/a/eye/skywalking/logging/EasyLogger.java
@@ -7,6 +7,8 @@ import java.net.URLEncoder;
 import java.text.SimpleDateFormat;
 import java.util.Date;
 
+import static com.a.eye.skywalking.logging.LogLevel.*;
+
 /**
  * Created by xin on 16-6-23.
  */
@@ -18,14 +20,14 @@ public class EasyLogger implements com.a.eye.skywalking.logging.api.ILog {
         this.toBeLoggerClass = toBeLoggerClass;
     }
 
-    public void logger(String level, String message, Throwable e) {
+    public void logger(LogLevel level, String message, Throwable e) {
         Throwable dummyException = new Throwable();
         StackTraceElement locations[] = dummyException.getStackTrace();
 
         if (locations != null && locations.length > 2) {
-            if(ERROR.equals(level) || WARN.equals(level)){
+            if (ERROR.equals(level) || WARN.equals(level)) {
                 WriterFactory.getLogWriter().writeError(formatMessage(level, message, locations[2]));
-            }else {
+            } else {
                 WriterFactory.getLogWriter().write(formatMessage(level, message, locations[2]));
             }
         }
@@ -53,18 +55,11 @@ public class EasyLogger implements com.a.eye.skywalking.logging.api.ILog {
     }
 
 
-    private String formatMessage(String level, String message, StackTraceElement caller) {
+    private String formatMessage(LogLevel level, String message, StackTraceElement caller) {
         return level + " " + new SimpleDateFormat("yyyy-MM-dd HH:mm:ss").format(new Date()) + " "
                 + caller.getClassName() + "." + caller.getMethodName() + "(" + caller.getFileName() + ":" + caller.getLineNumber() + ") " + message;
     }
 
-
-    private static final String ERROR = "ERROR";
-    private static final String WARN = "WARN";
-    private static final String DEBUG = "DEBUG";
-    private static final String INFO = "INFO";
-
-
     @Override
     public void info(String format) {
         logger(INFO, format, null);
@@ -72,17 +67,17 @@ public class EasyLogger implements com.a.eye.skywalking.logging.api.ILog {
 
     @Override
     public void info(String format, Object... arguments) {
-        logger(INFO, replaceParam(INFO, format, arguments), null);
+        logger(INFO, replaceParam(format, arguments), null);
     }
 
     @Override
     public void warn(String format, Object... arguments) {
-        logger(WARN, replaceParam(WARN, format, arguments), null);
+        logger(WARN, replaceParam(format, arguments), null);
     }
 
     @Override
     public void warn(String format, Object arguments, Throwable e) {
-        logger(WARN, replaceParam(WARN, format, arguments), e);
+        logger(WARN, replaceParam(format, arguments), e);
     }
 
     @Override
@@ -92,7 +87,7 @@ public class EasyLogger implements com.a.eye.skywalking.logging.api.ILog {
 
     @Override
     public void error(String format, Object arguments, Throwable e) {
-        logger(ERROR, replaceParam(ERROR, format, arguments), e);
+        logger(ERROR, replaceParam(format, arguments), e);
     }
 
     @Override
@@ -122,6 +117,6 @@ public class EasyLogger implements com.a.eye.skywalking.logging.api.ILog {
 
     @Override
     public void debug(String format, Object... arguments) {
-        logger(DEBUG, replaceParam(DEBUG, format, arguments), null);
+        logger(DEBUG, replaceParam(format, arguments), null);
     }
 }
diff --git a/skywalking-sniffer/skywalking-api/src/main/java/com/a/eye/skywalking/logging/LogLevel.java b/skywalking-sniffer/skywalking-api/src/main/java/com/a/eye/skywalking/logging/LogLevel.java
new file mode 100644
index 000000000..61a84a5fb
--- /dev/null
+++ b/skywalking-sniffer/skywalking-api/src/main/java/com/a/eye/skywalking/logging/LogLevel.java
@@ -0,0 +1,8 @@
+package com.a.eye.skywalking.logging;
+
+/**
+ * Created by xin on 2016/12/7.
+ */
+public enum LogLevel {
+    INFO, DEBUG, WARN, ERROR
+}
diff --git a/skywalking-sniffer/skywalking-toolkit-activation/skywalking-toolkit-log4j-1.x-activation/pom.xml b/skywalking-sniffer/skywalking-toolkit-activation/skywalking-toolkit-log4j-1.x-activation/pom.xml
index f139d0faa..d4e9a17cd 100644
--- a/skywalking-sniffer/skywalking-toolkit-activation/skywalking-toolkit-log4j-1.x-activation/pom.xml
+++ b/skywalking-sniffer/skywalking-toolkit-activation/skywalking-toolkit-log4j-1.x-activation/pom.xml
@@ -10,13 +10,4 @@
     <modelVersion>4.0.0</modelVersion>
 
     <artifactId>skywalking-toolkit-log4j-1.x-activation</artifactId>
-
-    <dependencies>
-        <dependency>
-            <groupId>com.a.eye</groupId>
-            <artifactId>skywalking-toolkit-log4j-1.x</artifactId>
-            <version>${project.version}</version>
-            <scope>compile</scope>
-        </dependency>
-    </dependencies>
 </project>