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 8c9800abc..6d948ed17 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
@@ -35,15 +35,12 @@ public class ChainRelate {
     private void classifiedChains(UncategorizeChainInfo child) {
         boolean isContained = false;
         for (Map.Entry<String, CategorizedChainInfo> entry : categorizedChainInfoMap.entrySet()) {
-
-            if (!entry.getValue().isAlreadyContained(child) && entry.getValue().isContained(child)) {
-                entry.getValue().add(child);
-                chainDetailMap.put(child.getChainToken(), new ChainDetail(child));
-                isContained = true;
-            }
-
             if (entry.getValue().isAlreadyContained(child)) {
                 isContained = true;
+            }else if(entry.getValue().isContained(child)){
+            	entry.getValue().add(child);
+                chainDetailMap.put(child.getChainToken(), new ChainDetail(child));
+                isContained = true;
             }
         }