diff --git a/skywalking-analysis/pom.xml b/skywalking-analysis/pom.xml
index ff830f4d5..88d2188c2 100644
--- a/skywalking-analysis/pom.xml
+++ b/skywalking-analysis/pom.xml
@@ -54,6 +54,11 @@
             <artifactId>mysql-connector-java</artifactId>
             <version>5.1.38</version>
         </dependency>
+        <dependency>
+            <groupId>org.apache.logging.log4j</groupId>
+            <artifactId>log4j-core</artifactId>
+            <version>2.2</version>
+        </dependency>
     </dependencies>
 
     <build>
diff --git a/skywalking-analysis/src/main/java/com/ai/cloud/skywalking/analysis/chainbuild/ChainBuildMapper.java b/skywalking-analysis/src/main/java/com/ai/cloud/skywalking/analysis/chainbuild/ChainBuildMapper.java
index fdcaa2f72..c02a7f3bf 100644
--- a/skywalking-analysis/src/main/java/com/ai/cloud/skywalking/analysis/chainbuild/ChainBuildMapper.java
+++ b/skywalking-analysis/src/main/java/com/ai/cloud/skywalking/analysis/chainbuild/ChainBuildMapper.java
@@ -16,15 +16,16 @@ import org.apache.hadoop.hbase.io.ImmutableBytesWritable;
 import org.apache.hadoop.hbase.mapreduce.TableMapper;
 import org.apache.hadoop.hbase.util.Bytes;
 import org.apache.hadoop.io.Text;
-import org.slf4j.Logger;
-import org.slf4j.LoggerFactory;
+import org.apache.logging.log4j.LogManager;
+import org.apache.logging.log4j.Logger;
+
 
 import java.io.IOException;
 import java.util.*;
 
 public class ChainBuildMapper extends TableMapper<Text, Text> {
 
-    private Logger logger = LoggerFactory.getLogger(ChainBuildMapper.class);
+    private Logger logger = LogManager.getLogger(ChainBuildMapper.class);
 
     @Override
     protected void setup(Context context) throws IOException,
@@ -56,9 +57,8 @@ public class ChainBuildMapper extends TableMapper<Text, Text> {
             logger.debug("convert tid[" + Bytes.toString(key.get())
                     + "] to chain with cid[" + chainInfo.getCID() + "].");
             context.write(
-                    new Text(chainInfo.getEntranceNodeToken()), new Text(new Gson().toJson(chainInfo)));
+                    new Text(chainInfo.getCallEntrance()), new Text(new Gson().toJson(chainInfo)));
         } catch (Exception e) {
-            e.printStackTrace();
             logger.error("Failed to mapper call chain[" + key.toString() + "]",
                     e);
         }
diff --git a/skywalking-analysis/src/main/java/com/ai/cloud/skywalking/analysis/chainbuild/ChainBuildReducer.java b/skywalking-analysis/src/main/java/com/ai/cloud/skywalking/analysis/chainbuild/ChainBuildReducer.java
index aa9cc6208..8ec60a9c9 100644
--- a/skywalking-analysis/src/main/java/com/ai/cloud/skywalking/analysis/chainbuild/ChainBuildReducer.java
+++ b/skywalking-analysis/src/main/java/com/ai/cloud/skywalking/analysis/chainbuild/ChainBuildReducer.java
@@ -9,14 +9,14 @@ import org.apache.hadoop.hbase.util.Bytes;
 import org.apache.hadoop.io.IntWritable;
 import org.apache.hadoop.io.Text;
 import org.apache.hadoop.mapreduce.Reducer;
-import org.slf4j.Logger;
-import org.slf4j.LoggerFactory;
+import org.apache.logging.log4j.LogManager;
+import org.apache.logging.log4j.Logger;
 
 import java.io.IOException;
 import java.util.Iterator;
 
 public class ChainBuildReducer extends Reducer<Text, Text, Text, IntWritable> {
-    private Logger logger = LoggerFactory.getLogger(ChainBuildReducer.class);
+    private Logger logger = LogManager.getLogger(ChainBuildReducer.class);
 
     @Override
     protected void setup(Context context) throws IOException,
@@ -33,7 +33,8 @@ public class ChainBuildReducer extends Reducer<Text, Text, Text, IntWritable> {
     public void doReduceAction(String key, Iterator<Text> chainInfoIterator)
             throws IOException, InterruptedException {
         CallChainTree chainTree = CallChainTree.load(key);
-        SpecificTimeCallTreeMergedChainIdContainer container = new SpecificTimeCallTreeMergedChainIdContainer(chainTree.getTreeToken());
+        SpecificTimeCallTreeMergedChainIdContainer container
+                = new SpecificTimeCallTreeMergedChainIdContainer(chainTree.getTreeToken());
         while (chainInfoIterator.hasNext()) {
             String callChainData = chainInfoIterator.next().toString();
             ChainInfo chainInfo = null;
@@ -42,7 +43,6 @@ public class ChainBuildReducer extends Reducer<Text, Text, Text, IntWritable> {
                 container.addMergedChainIfNotContain(chainInfo);
                 chainTree.summary(chainInfo);
             } catch (Exception e) {
-                e.printStackTrace();
                 logger.error(
                         "Failed to summary call chain, maybe illegal data:"
                                 + callChainData, e);
diff --git a/skywalking-analysis/src/main/java/com/ai/cloud/skywalking/analysis/chainbuild/entity/CallChainTree.java b/skywalking-analysis/src/main/java/com/ai/cloud/skywalking/analysis/chainbuild/entity/CallChainTree.java
index c055e2e8e..cfb4d938d 100644
--- a/skywalking-analysis/src/main/java/com/ai/cloud/skywalking/analysis/chainbuild/entity/CallChainTree.java
+++ b/skywalking-analysis/src/main/java/com/ai/cloud/skywalking/analysis/chainbuild/entity/CallChainTree.java
@@ -7,8 +7,12 @@ import java.util.Map;
 import com.ai.cloud.skywalking.analysis.chainbuild.po.ChainInfo;
 import com.ai.cloud.skywalking.analysis.chainbuild.po.ChainNode;
 import com.ai.cloud.skywalking.analysis.chainbuild.util.TokenGenerator;
+import org.apache.logging.log4j.LogManager;
+import org.apache.logging.log4j.Logger;
 
 public class CallChainTree {
+    private Logger logger = LogManager.getLogger(CallChainTree.class);
+
     private String callEntrance;
 
     private String treeToken;
@@ -23,6 +27,7 @@ public class CallChainTree {
         nodes = new HashMap<String, CallChainTreeNode>();
         this.callEntrance = callEntrance;
         this.treeToken = TokenGenerator.generateTreeToken(callEntrance);
+        logger.info("CallEntrance:[{}] == TreeToken[{}]",callEntrance, treeToken);
     }
 
     public static CallChainTree load(String callEntrance) throws IOException {
diff --git a/skywalking-analysis/src/main/java/com/ai/cloud/skywalking/analysis/chainbuild/entity/CallChainTreeNode.java b/skywalking-analysis/src/main/java/com/ai/cloud/skywalking/analysis/chainbuild/entity/CallChainTreeNode.java
index 0a635c76a..47771b9bf 100644
--- a/skywalking-analysis/src/main/java/com/ai/cloud/skywalking/analysis/chainbuild/entity/CallChainTreeNode.java
+++ b/skywalking-analysis/src/main/java/com/ai/cloud/skywalking/analysis/chainbuild/entity/CallChainTreeNode.java
@@ -6,6 +6,8 @@ import com.ai.cloud.skywalking.analysis.config.HBaseTableMetaData;
 import com.google.gson.GsonBuilder;
 import com.google.gson.annotations.Expose;
 import org.apache.hadoop.hbase.client.Put;
+import org.apache.logging.log4j.LogManager;
+import org.apache.logging.log4j.Logger;
 
 import java.io.IOException;
 import java.util.*;
@@ -17,6 +19,8 @@ import java.util.*;
  * @author wusheng
  */
 public class CallChainTreeNode {
+    private Logger logger = LogManager.getLogger(CallChainTreeNode.class);
+
     @Expose
     private String traceLevelId;
     @Expose
diff --git a/skywalking-analysis/src/test/java/com/ai/cloud/skywalking/analysis/mapper/CallChainMapperTest.java b/skywalking-analysis/src/test/java/com/ai/cloud/skywalking/analysis/mapper/CallChainMapperTest.java
index 2055a398a..325d4b3a8 100644
--- a/skywalking-analysis/src/test/java/com/ai/cloud/skywalking/analysis/mapper/CallChainMapperTest.java
+++ b/skywalking-analysis/src/test/java/com/ai/cloud/skywalking/analysis/mapper/CallChainMapperTest.java
@@ -62,46 +62,11 @@ public class CallChainMapperTest {
         return entries;
     }
 
-    @Test
-    public void testDataIsCorrect() throws IOException, ParseException {
-        List<ChainInfo> chainInfos = selectSpans();
-        Iterator<ChainInfo> chainInfoIterator = chainInfos.iterator();
-        while (chainInfoIterator.hasNext()) {
-            ChainInfo chainInfo = chainInfoIterator.next();
-            if (!"http://m.aisse.asiainfo.com/aisseWorkPage/workPay".equals(chainInfo.getCallEntrance())) {
-                chainInfoIterator.remove();
-            }
-        }
-
-        Map<String, List<ChainNode>> result = new HashMap<>();
-        for (int i = 0; i < chainInfos.size(); i++) {
-            for (ChainNode chainNode :chainInfos.get(i).getNodes()){
-                if ("0".equals(chainNode.getTraceLevelId())){
-                    Calendar calendar = Calendar.getInstance();
-                    calendar.setTime(new Date(chainNode.getStartDate()));
-                    List<ChainNode> chainNodes = result.get(getKey(calendar));
-                    if (chainNodes == null){
-                        chainNodes = new ArrayList<>();
-                    }
-                    chainNodes.add(chainNode);
-                   result.put(getKey(calendar), chainNodes);
-                }
-            }
-        }
-
-        System.out.println(result.size());
-    }
-
-    private String getKey(Calendar calendar) {
-        return calendar.get(Calendar.YEAR) + "-" + (calendar.get(Calendar.MONTH)) + "-"
-                + calendar.get(Calendar.DAY_OF_MONTH) + " " + calendar.get(Calendar.HOUR) + ":00:00";
-    }
-
     public static List<ChainInfo> selectSpans() throws IOException, ParseException {
         List<ChainInfo> chainInfos = new ArrayList<ChainInfo>();
         Table table = connection.getTable(TableName.valueOf(HBaseTableMetaData.TABLE_CALL_CHAIN.TABLE_NAME));
         Scan scan = new Scan();
-        scan.setTimeRange(new SimpleDateFormat("yyyy-MM-dd/HH:mm:ss").parse("2015-12-09/18:44:48").getTime(), new SimpleDateFormat("yyyy-MM-dd/HH:mm:ss").parse("2016-03-09/18:44:48").getTime());
+        scan.setTimeRange(new SimpleDateFormat("yyyy-MM-dd/HH:mm:ss").parse("2016-01-10/11:55:48").getTime(), new SimpleDateFormat("yyyy-MM-dd/HH:mm:ss").parse("2016-02-10/11:55:48").getTime());
         ResultScanner resultScanner = table.getScanner(scan);
         Iterator<Result> resultIterator = resultScanner.iterator();
         while (resultIterator.hasNext()) {