diff --git a/skywalking-analysis/src/main/java/com/ai/cloud/skywalking/analysis/filter/impl/TokenGenerateFilter.java b/skywalking-analysis/src/main/java/com/ai/cloud/skywalking/analysis/filter/impl/TokenGenerateFilter.java
index a4e133a74..49c6b5421 100644
--- a/skywalking-analysis/src/main/java/com/ai/cloud/skywalking/analysis/filter/impl/TokenGenerateFilter.java
+++ b/skywalking-analysis/src/main/java/com/ai/cloud/skywalking/analysis/filter/impl/TokenGenerateFilter.java
@@ -11,7 +11,7 @@ public class TokenGenerateFilter extends SpanNodeProcessFilter {
     @Override
     public void doFilter(SpanEntry spanEntry, ChainNode node, CostMap costMap) {
 
-        String nodeToken = TokenGenerator.generate(node.getParentLevelId() + "." + node.getLevelId() +
+        String nodeToken = TokenGenerator.generateNodeToken(node.getParentLevelId() + "." + node.getLevelId() +
                 "-" + node.getViewPoint());
 
         node.setNodeToken(nodeToken);
diff --git a/skywalking-analysis/src/main/java/com/ai/cloud/skywalking/analysis/model/ChainInfo.java b/skywalking-analysis/src/main/java/com/ai/cloud/skywalking/analysis/model/ChainInfo.java
index 379e5183d..4dad26100 100644
--- a/skywalking-analysis/src/main/java/com/ai/cloud/skywalking/analysis/model/ChainInfo.java
+++ b/skywalking-analysis/src/main/java/com/ai/cloud/skywalking/analysis/model/ChainInfo.java
@@ -83,7 +83,7 @@ public class ChainInfo implements Writable {
         for (ChainNode node : nodes) {
             chainTokenDesc.append(node.getParentLevelId() + "." + node.getLevelId() + "-" + node.getNodeToken() + ";");
         }
-        this.cid = TokenGenerator.generate(chainTokenDesc.toString()) + "-";
+        this.cid = TokenGenerator.generateCID(chainTokenDesc.toString());
     }
 
     public ChainStatus getChainStatus() {
diff --git a/skywalking-analysis/src/main/java/com/ai/cloud/skywalking/analysis/util/TokenGenerator.java b/skywalking-analysis/src/main/java/com/ai/cloud/skywalking/analysis/util/TokenGenerator.java
index 321baa8db..0ac0e481e 100644
--- a/skywalking-analysis/src/main/java/com/ai/cloud/skywalking/analysis/util/TokenGenerator.java
+++ b/skywalking-analysis/src/main/java/com/ai/cloud/skywalking/analysis/util/TokenGenerator.java
@@ -12,8 +12,16 @@ public class TokenGenerator {
     private TokenGenerator() {
         //Non
     }
+    
+    public static String generateCID(String originData) {
+    	return "CID_" + generate(originData);
+    }
+    
+    public static String generateNodeToken(String originData){
+    	return "C_NID_" + generate(originData);
+    }
 
-    public static String generate(String originData) {
+    private static String generate(String originData) {
         StringBuilder result = new StringBuilder();
         if (originData != null) {
             try {
@@ -31,6 +39,6 @@ public class TokenGenerator {
                 System.exit(-1);
             }
         }
-        return "CID:" + result.toString().toUpperCase();
+        return result.toString().toUpperCase();
     }
 }