diff --git a/pom.xml b/pom.xml
index a72cb0d85..918cb6ba0 100644
--- a/pom.xml
+++ b/pom.xml
@@ -5,7 +5,7 @@
     <artifactId>liteflow</artifactId>
     <packaging>jar</packaging>
     <modelVersion>4.0.0</modelVersion>
-    <version>1.2.16</version>
+    <version>1.2.17</version>
 
     <properties>
     	<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
diff --git a/src/main/java/com/thebeastshop/liteflow/core/FlowExecutor.java b/src/main/java/com/thebeastshop/liteflow/core/FlowExecutor.java
index fa8927e55..816fd588f 100644
--- a/src/main/java/com/thebeastshop/liteflow/core/FlowExecutor.java
+++ b/src/main/java/com/thebeastshop/liteflow/core/FlowExecutor.java
@@ -102,6 +102,7 @@ public class FlowExecutor {
 			
 			if(!isInnerChain) {
 				slot.setRequestData(param);
+				slot.setChainName(chainId);
 			}else {
 				slot.setChainReqData(chainId, param);
 			}
diff --git a/src/main/java/com/thebeastshop/liteflow/entity/data/AbsSlot.java b/src/main/java/com/thebeastshop/liteflow/entity/data/AbsSlot.java
index 80af5e047..13e4393b3 100644
--- a/src/main/java/com/thebeastshop/liteflow/entity/data/AbsSlot.java
+++ b/src/main/java/com/thebeastshop/liteflow/entity/data/AbsSlot.java
@@ -28,6 +28,8 @@ public abstract class AbsSlot implements Slot{
 	
 	private final String RESPONSE = "response";
 	
+	private final String CHAINNAME = "chain_name";
+	
 	private final String COND_NODE_PREFIX = "cond_";
 	
 	private final String NODE_INPUT_PREFIX = "input_";
@@ -98,6 +100,14 @@ public abstract class AbsSlot implements Slot{
 		return (T)dataMap.get(COND_NODE_PREFIX + key);
 	}
 	
+	public void setChainName(String chainName) {
+		dataMap.put(CHAINNAME, chainName);
+	}
+	
+	public String getChainName() {
+		return (String)dataMap.get(CHAINNAME);
+	}
+	
 	public void addStep(CmpStep step){
 		CmpStep lastStep = this.executeSteps.peekLast();
 		if(lastStep != null && lastStep.equals(step)) {
@@ -117,7 +127,7 @@ public abstract class AbsSlot implements Slot{
 				str.append("==>");
 			}
 		}
-		LOG.info("[{}]:{}",getRequestId(),str.toString());
+		LOG.info("[{}]:CHAIN_NAME[{}]\n{}",getRequestId(),str.toString());
 	}
 	
 	@Override
diff --git a/src/main/java/com/thebeastshop/liteflow/entity/data/Slot.java b/src/main/java/com/thebeastshop/liteflow/entity/data/Slot.java
index a7163e9a2..7b9913406 100644
--- a/src/main/java/com/thebeastshop/liteflow/entity/data/Slot.java
+++ b/src/main/java/com/thebeastshop/liteflow/entity/data/Slot.java
@@ -45,4 +45,8 @@ public interface Slot {
 	public void generateRequestId();
 	
 	public String getRequestId();
+	
+	public void setChainName(String chainName);
+	
+	public String getChainName();
 }