diff --git a/pom.xml b/pom.xml
index a38f32236..821147328 100644
--- a/pom.xml
+++ b/pom.xml
@@ -5,7 +5,7 @@
     <artifactId>liteflow</artifactId>
     <packaging>jar</packaging>
     <modelVersion>4.0.0</modelVersion>
-    <version>1.2.3</version>
+    <version>1.2.4</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 f748eb789..f9ab60a79 100644
--- a/src/main/java/com/thebeastshop/liteflow/core/FlowExecutor.java
+++ b/src/main/java/com/thebeastshop/liteflow/core/FlowExecutor.java
@@ -64,8 +64,8 @@ public class FlowExecutor {
 		return execute(chainId, param, slotClazz,null,false);
 	}
 	
-	public <T> T invoke(String chainId,Class<? extends Slot> slotClazz,Integer slotIndex){
-		return execute(chainId,null, slotClazz,slotIndex,true);
+	public void invoke(String chainId,Object param,Class<? extends Slot> slotClazz,Integer slotIndex){
+		execute(chainId, param, slotClazz,slotIndex,true);
 	}
 	
 	public <T> T execute(String chainId,Object param,Class<? extends Slot> slotClazz,Integer slotIndex,boolean isInnerChain){
@@ -95,8 +95,10 @@ public class FlowExecutor {
 				throw new NoAvailableSlotException("the slot is not exist");
 			}
 			
-			if(!isInnerChain && param != null) {
+			if(!isInnerChain) {
 				slot.setRequestData(param);
+			}else {
+				slot.setChainReqData(chainId, param);
 			}
 			
 			List<Condition> conditionList = chain.getConditionList();
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 417d81af5..32a695b88 100644
--- a/src/main/java/com/thebeastshop/liteflow/entity/data/AbsSlot.java
+++ b/src/main/java/com/thebeastshop/liteflow/entity/data/AbsSlot.java
@@ -34,6 +34,8 @@ public abstract class AbsSlot implements Slot{
 	
 	private final String NODE_OUTPUT_PREFIX = "output_";
 	
+	private final String CHAIN_REQ_PREFIX = "chain_req_";
+	
 	private Deque<CmpStep> executeSteps = new ArrayDeque<CmpStep>();
 	
 	protected ConcurrentHashMap<String, Object> dataMap = new ConcurrentHashMap<String, Object>();
@@ -70,6 +72,14 @@ public abstract class AbsSlot implements Slot{
 		dataMap.put(RESPONSE, t);
 	}
 	
+	public <T> T getChainReqData(String chainId) {
+		return (T)dataMap.get(CHAIN_REQ_PREFIX + chainId);
+	}
+	
+	public <T> void setChainReqData(String chainId, T t) {
+		dataMap.put(CHAIN_REQ_PREFIX + chainId, t);
+	}
+	
 	public <T> T getData(String key){
 		return (T)dataMap.get(key);
 	}
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 c7556439f..3e0d706f8 100644
--- a/src/main/java/com/thebeastshop/liteflow/entity/data/Slot.java
+++ b/src/main/java/com/thebeastshop/liteflow/entity/data/Slot.java
@@ -24,6 +24,10 @@ public interface Slot {
 	
 	public <T> T getResponseData();
 	
+	public <T> void setChainReqData(String chainId, T t);
+	
+	public <T> T getChainReqData(String chainId);
+	
 	public <T> void setResponseData(T t);
 	
 	public <T> T getData(String key);
diff --git a/src/test/java/com/thebeastshop/liteflow/test/component/HComponent.java b/src/test/java/com/thebeastshop/liteflow/test/component/HComponent.java
index f1ab7a653..a58eb4448 100644
--- a/src/test/java/com/thebeastshop/liteflow/test/component/HComponent.java
+++ b/src/test/java/com/thebeastshop/liteflow/test/component/HComponent.java
@@ -26,7 +26,7 @@ public class HComponent extends NodeComponent {
 	@Override
 	public void process() {
 		System.out.println("Hcomponent executed!");
-		flowExecutor.invoke("strategy", DefaultSlot.class, this.getSlotIndex());
+		flowExecutor.invoke("strategy1",3, DefaultSlot.class, this.getSlotIndex());
 	}
 	
 }
diff --git a/src/test/java/com/thebeastshop/liteflow/test/component/M3Component.java b/src/test/java/com/thebeastshop/liteflow/test/component/M3Component.java
new file mode 100644
index 000000000..13926b7ce
--- /dev/null
+++ b/src/test/java/com/thebeastshop/liteflow/test/component/M3Component.java
@@ -0,0 +1,32 @@
+/**
+ * <p>Title: liteFlow</p>
+ * <p>Description: 轻量级的组件式流程框架</p>
+ * <p>Copyright: Copyright (c) 2017</p>
+ * @author Bryan.Zhang
+ * @email weenyc31@163.com
+ * @Date 2017-8-1
+ * @version 1.0
+ */
+package com.thebeastshop.liteflow.test.component;
+
+import javax.annotation.Resource;
+
+import org.springframework.stereotype.Component;
+
+import com.thebeastshop.liteflow.core.FlowExecutor;
+import com.thebeastshop.liteflow.core.NodeComponent;
+import com.thebeastshop.liteflow.entity.data.DefaultSlot;
+
+@Component("m3")
+public class M3Component extends NodeComponent {
+
+	@Resource
+	private FlowExecutor flowExecutor;
+	
+	@Override
+	public void process() {
+		System.out.println("m3 component executed!");
+		flowExecutor.invoke("strategy2",10, DefaultSlot.class, this.getSlotIndex());
+	}
+	
+}
diff --git a/src/test/java/com/thebeastshop/liteflow/test/component/MComponent.java b/src/test/java/com/thebeastshop/liteflow/test/component/MComponent.java
index d9267b908..8e182c2ff 100644
--- a/src/test/java/com/thebeastshop/liteflow/test/component/MComponent.java
+++ b/src/test/java/com/thebeastshop/liteflow/test/component/MComponent.java
@@ -26,7 +26,15 @@ public class MComponent extends NodeCondComponent {
 	@Override
 	protected String processCond() throws Exception {
 		System.out.println("m conponent executed");
-		return "m1";
+		Integer flag = this.getSlot().getChainReqData("strategy1");
+		if(flag == 1) {
+			return "m1";
+		}else if(flag == 2){
+			return "m2";
+		}else {
+			return "m3";
+		}
+		
 	}
 	
 }
diff --git a/src/test/java/com/thebeastshop/liteflow/test/component/P1Component.java b/src/test/java/com/thebeastshop/liteflow/test/component/P1Component.java
new file mode 100644
index 000000000..c0f1a0c00
--- /dev/null
+++ b/src/test/java/com/thebeastshop/liteflow/test/component/P1Component.java
@@ -0,0 +1,30 @@
+/**
+ * <p>Title: liteFlow</p>
+ * <p>Description: 轻量级的组件式流程框架</p>
+ * <p>Copyright: Copyright (c) 2017</p>
+ * @author Bryan.Zhang
+ * @email weenyc31@163.com
+ * @Date 2017-8-1
+ * @version 1.0
+ */
+package com.thebeastshop.liteflow.test.component;
+
+import javax.annotation.Resource;
+
+import org.springframework.stereotype.Component;
+
+import com.thebeastshop.liteflow.core.FlowExecutor;
+import com.thebeastshop.liteflow.core.NodeComponent;
+
+@Component("p1")
+public class P1Component extends NodeComponent {
+
+	@Resource
+	private FlowExecutor flowExecutor;
+	
+	@Override
+	public void process() {
+		System.out.println("p1 component executed!");
+	}
+	
+}
diff --git a/src/test/java/com/thebeastshop/liteflow/test/component/P2Component.java b/src/test/java/com/thebeastshop/liteflow/test/component/P2Component.java
new file mode 100644
index 000000000..d60947c16
--- /dev/null
+++ b/src/test/java/com/thebeastshop/liteflow/test/component/P2Component.java
@@ -0,0 +1,30 @@
+/**
+ * <p>Title: liteFlow</p>
+ * <p>Description: 轻量级的组件式流程框架</p>
+ * <p>Copyright: Copyright (c) 2017</p>
+ * @author Bryan.Zhang
+ * @email weenyc31@163.com
+ * @Date 2017-8-1
+ * @version 1.0
+ */
+package com.thebeastshop.liteflow.test.component;
+
+import javax.annotation.Resource;
+
+import org.springframework.stereotype.Component;
+
+import com.thebeastshop.liteflow.core.FlowExecutor;
+import com.thebeastshop.liteflow.core.NodeComponent;
+
+@Component("p2")
+public class P2Component extends NodeComponent {
+
+	@Resource
+	private FlowExecutor flowExecutor;
+	
+	@Override
+	public void process() {
+		System.out.println("p2 component executed!");
+	}
+	
+}
diff --git a/src/test/java/com/thebeastshop/liteflow/test/component/PComponent.java b/src/test/java/com/thebeastshop/liteflow/test/component/PComponent.java
new file mode 100644
index 000000000..f3f843bda
--- /dev/null
+++ b/src/test/java/com/thebeastshop/liteflow/test/component/PComponent.java
@@ -0,0 +1,37 @@
+/**
+ * <p>Title: liteFlow</p>
+ * <p>Description: 轻量级的组件式流程框架</p>
+ * <p>Copyright: Copyright (c) 2017</p>
+ * @author Bryan.Zhang
+ * @email weenyc31@163.com
+ * @Date 2017-8-1
+ * @version 1.0
+ */
+package com.thebeastshop.liteflow.test.component;
+
+import javax.annotation.Resource;
+
+import org.springframework.stereotype.Component;
+
+import com.thebeastshop.liteflow.core.FlowExecutor;
+import com.thebeastshop.liteflow.core.NodeCondComponent;
+
+@Component("p")
+public class PComponent extends NodeCondComponent {
+
+	@Resource
+	private FlowExecutor flowExecutor;
+	
+	@Override
+	protected String processCond() throws Exception {
+		System.out.println("p conponent executed");
+		Integer flag = this.getSlot().getChainReqData("strategy2");
+		if(flag == 10) {
+			return "p1";
+		}else {
+			return "p2";
+		}
+		
+	}
+	
+}
diff --git a/src/test/resources/config/flow.xml b/src/test/resources/config/flow.xml
index d29fc2d61..25f111ce6 100644
--- a/src/test/resources/config/flow.xml
+++ b/src/test/resources/config/flow.xml
@@ -27,7 +27,11 @@
 		<then value="a,c,h,g"/>
 	</chain>
 	
-	<chain name="strategy">
-		<then value="m(m1|m2)"/>
+	<chain name="strategy1">
+		<then value="m(m1|m2|m3)"/>
+	</chain>
+	
+	<chain name="strategy2">
+		<then value="p(p1|p2)"/>
 	</chain>
 </flow>
\ No newline at end of file