diff --git a/skywalking-analysis/src/main/java/com/ai/cloud/skywalking/analysis/model/CategorizedChainInfo.java b/skywalking-analysis/src/main/java/com/ai/cloud/skywalking/analysis/model/CategorizedChainInfo.java
index 61e7584e1..1c7c8f7e1 100644
--- a/skywalking-analysis/src/main/java/com/ai/cloud/skywalking/analysis/model/CategorizedChainInfo.java
+++ b/skywalking-analysis/src/main/java/com/ai/cloud/skywalking/analysis/model/CategorizedChainInfo.java
@@ -45,15 +45,14 @@ public class CategorizedChainInfo {
     }
 
     public boolean isContained(UncategorizeChainInfo uncategorizeChainInfo) {
-
-        if (children_Token.contains(uncategorizeChainInfo.getChainToken())) {
-            return false;
-        }
-
         Pattern pattern = Pattern.compile(uncategorizeChainInfo.getNodeRegEx());
         return pattern.matcher(getChainStr()).find();
     }
 
+    public boolean isAlreadyContained(UncategorizeChainInfo uncategorizeChainInfo) {
+        return children_Token.contains(uncategorizeChainInfo.getChainToken());
+    }
+
     public void add(UncategorizeChainInfo uncategorizeChainInfo) {
         children_Token.add(uncategorizeChainInfo.getChainToken());
     }
diff --git a/skywalking-analysis/src/main/java/com/ai/cloud/skywalking/analysis/model/ChainDetail.java b/skywalking-analysis/src/main/java/com/ai/cloud/skywalking/analysis/model/ChainDetail.java
index 431122363..04e379c7f 100644
--- a/skywalking-analysis/src/main/java/com/ai/cloud/skywalking/analysis/model/ChainDetail.java
+++ b/skywalking-analysis/src/main/java/com/ai/cloud/skywalking/analysis/model/ChainDetail.java
@@ -1,9 +1,7 @@
 package com.ai.cloud.skywalking.analysis.model;
 
-/**
- * Created by astraea on 2016/1/21.
- */
 public class ChainDetail {
+
     public ChainDetail(ChainInfo chainInfo) {
 
     }
diff --git a/skywalking-analysis/src/main/java/com/ai/cloud/skywalking/analysis/model/ChainRelate.java b/skywalking-analysis/src/main/java/com/ai/cloud/skywalking/analysis/model/ChainRelate.java
index 8751de5f1..66f443276 100644
--- a/skywalking-analysis/src/main/java/com/ai/cloud/skywalking/analysis/model/ChainRelate.java
+++ b/skywalking-analysis/src/main/java/com/ai/cloud/skywalking/analysis/model/ChainRelate.java
@@ -35,18 +35,21 @@ public class ChainRelate {
     private void classifiedChains(UncategorizeChainInfo child) {
         boolean isContained = false;
         for (Map.Entry<String, CategorizedChainInfo> entry : categorizedChainInfoMap.entrySet()) {
-            if (entry.getValue().isContained(child)) {
+
+            if (!entry.getValue().isAlreadyContained(child) && entry.getValue().isContained(child)) {
                 entry.getValue().add(child);
                 isContained = true;
+            }
 
-
+            if (!entry.getValue().isAlreadyContained(child)) {
+                chainDetailMap.put(child.getChainToken(), new ChainDetail(child));
             }
         }
 
         if (!isContained) {
             uncategorizeChainInfoList.add(child);
 
-            if (!uncategorizeChainInfoList.contains(child)){
+            if (!uncategorizeChainInfoList.contains(child)) {
                 chainDetailMap.put(child.getChainToken(), new ChainDetail(child));
             }