diff --git a/liteflow-core/src/main/java/com/yomahub/liteflow/common/LocalDefaultFlowConent.java b/liteflow-core/src/main/java/com/yomahub/liteflow/common/LocalDefaultFlowConent.java
new file mode 100644
index 000000000..511663692
--- /dev/null
+++ b/liteflow-core/src/main/java/com/yomahub/liteflow/common/LocalDefaultFlowConent.java
@@ -0,0 +1,5 @@
+package com.yomahub.liteflow.common;
+
+public class LocalDefaultFlowConent {
+    public static final String DEFAULT="default";
+}
diff --git a/liteflow-core/src/main/java/com/yomahub/liteflow/entity/flow/Condition.java b/liteflow-core/src/main/java/com/yomahub/liteflow/entity/flow/Condition.java
index cf4a9d39a..f1ce3984f 100644
--- a/liteflow-core/src/main/java/com/yomahub/liteflow/entity/flow/Condition.java
+++ b/liteflow-core/src/main/java/com/yomahub/liteflow/entity/flow/Condition.java
@@ -7,6 +7,8 @@
  */
 package com.yomahub.liteflow.entity.flow;
 
+import com.yomahub.liteflow.common.LocalDefaultFlowConent;
+
 import java.util.List;
 
 /**
@@ -14,6 +16,10 @@ import java.util.List;
  * @author Bryan.Zhang
  */
 public class Condition {
+	//	增加errorResume属性，以区分当when调用链调用失败时是否继续往下执行 默认true继续执行
+	private boolean errorResume;
+	// 增加groupId属性，用于不同node进行同组合并
+	private String groupId = LocalDefaultFlowConent.DEFAULT;
 
 	private List<Executable> nodeList;
 
@@ -28,4 +34,20 @@ public class Condition {
 	public void setNodeList(List<Executable> nodeList) {
 		this.nodeList = nodeList;
 	}
+
+	public boolean isErrorResume() {
+		return errorResume;
+	}
+
+	public void setErrorResume(boolean errorResume) {
+		this.errorResume = errorResume;
+	}
+
+	public String getGroupId() {
+		return groupId;
+	}
+
+	public void setGroupId(String groupId) {
+		this.groupId = groupId;
+	}
 }
diff --git a/liteflow-core/src/main/java/com/yomahub/liteflow/entity/flow/WhenCondition.java b/liteflow-core/src/main/java/com/yomahub/liteflow/entity/flow/WhenCondition.java
index 13a202537..214626b7c 100644
--- a/liteflow-core/src/main/java/com/yomahub/liteflow/entity/flow/WhenCondition.java
+++ b/liteflow-core/src/main/java/com/yomahub/liteflow/entity/flow/WhenCondition.java
@@ -14,20 +14,16 @@ import java.util.List;
  * @author Bryan.Zhang
  */
 public class WhenCondition extends Condition{
-	//	增加errorResume属性，以区分当when调用链调用失败时是否继续往下执行
-	private boolean errorResume;
+
 
 	public WhenCondition(List<Executable> nodeList) {
 		super(nodeList);
-		errorResume = true;
+		super.setErrorResume(true);
 	}
 
 	public WhenCondition(List<Executable> nodeList, boolean errorResume) {
 		super(nodeList);
-		this.errorResume = errorResume;
+		super.setErrorResume(errorResume);
 	}
 
-	public boolean isErrorResume() {
-		return errorResume;
-	}
 }
diff --git a/liteflow-core/src/main/java/com/yomahub/liteflow/parser/XmlFlowParser.java b/liteflow-core/src/main/java/com/yomahub/liteflow/parser/XmlFlowParser.java
index 45c5678d5..39e86e397 100644
--- a/liteflow-core/src/main/java/com/yomahub/liteflow/parser/XmlFlowParser.java
+++ b/liteflow-core/src/main/java/com/yomahub/liteflow/parser/XmlFlowParser.java
@@ -8,6 +8,7 @@ import java.util.regex.Matcher;
 import java.util.regex.Pattern;
 
 import cn.hutool.core.util.StrUtil;
+import com.yomahub.liteflow.common.LocalDefaultFlowConent;
 import com.yomahub.liteflow.entity.flow.*;
 import com.yomahub.liteflow.exception.ExecutableItemNotFoundException;
 import com.yomahub.liteflow.exception.ParseException;
@@ -92,6 +93,8 @@ public abstract class XmlFlowParser {
 	private void parseOneChain(Element e) throws Exception{
 		String condArrayStr;
 		String[] condArray;
+		String groupId;
+		String errorResume;
 		List<Executable> chainNodeList;
 		List<Condition> conditionList;
 
@@ -100,9 +103,17 @@ public abstract class XmlFlowParser {
 		for (Iterator<Element> it = e.elementIterator(); it.hasNext();) {
 			Element condE = it.next();
 			condArrayStr = condE.attributeValue("value");
+			errorResume = e.attributeValue("errorResume");
+			groupId = e.attributeValue("groupId");
 			if (StrUtil.isBlank(condArrayStr)) {
 				continue;
 			}
+			if (StrUtil.isBlank(groupId)) {
+				groupId = LocalDefaultFlowConent.DEFAULT;
+			}
+			if (StrUtil.isBlank(errorResume)) {
+				errorResume = Boolean.TRUE.toString();
+			}
 			chainNodeList = new ArrayList<>();
 			condArray = condArrayStr.split(",");
 			RegexEntity regexEntity;
@@ -136,14 +147,22 @@ public abstract class XmlFlowParser {
 					throw new ExecutableItemNotFoundException(errorMsg);
 				}
 			}
+
+
 			if (condE.getName().equals("then")) {
-				conditionList.add(new ThenCondition(chainNodeList));
+				if(conditionList.size() > 1 &&
+						conditionList.get(conditionList.size() - 1) instanceof ThenCondition ){
+					conditionList.get(conditionList.size() - 1).getNodeList().addAll(chainNodeList);
+				}else{
+					conditionList.add(new ThenCondition(chainNodeList));
+				}
 			} else if (condE.getName().equals("when")) {
-				Attribute errorResume = condE.attribute("errorResume");
-				if (errorResume != null) {
-					conditionList.add(new WhenCondition(chainNodeList, errorResume.getValue().equals(Boolean.TRUE.toString())));
-				} else {
-					conditionList.add(new WhenCondition(chainNodeList));
+				if(conditionList.size() > 1 &&
+						conditionList.get(conditionList.size() - 1) instanceof WhenCondition &&
+						conditionList.get(conditionList.size() - 1).getGroupId().equals(groupId)){
+					conditionList.get(conditionList.size() - 1).getNodeList().addAll(chainNodeList);
+				}else{
+					conditionList.add(new WhenCondition(chainNodeList, errorResume.equals(Boolean.TRUE.toString())));
 				}
 			}
 		}
diff --git a/liteflow-test-springboot/src/test/java/com/yomahub/flowtest/concurrent/TestGroupIdFlow.java b/liteflow-test-springboot/src/test/java/com/yomahub/flowtest/concurrent/TestGroupIdFlow.java
new file mode 100644
index 000000000..df390d9b5
--- /dev/null
+++ b/liteflow-test-springboot/src/test/java/com/yomahub/flowtest/concurrent/TestGroupIdFlow.java
@@ -0,0 +1,49 @@
+package com.yomahub.flowtest.concurrent;
+
+import com.yomahub.liteflow.core.FlowExecutor;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.springframework.boot.test.context.SpringBootTest;
+import org.springframework.test.context.ActiveProfiles;
+import org.springframework.test.context.junit4.SpringRunner;
+
+import javax.annotation.Resource;
+import java.util.Arrays;
+import java.util.List;
+import java.util.UUID;
+import java.util.stream.Collectors;
+
+import static com.yomahub.flowtest.concurrent.ConcurrentCase.caseAssertRandom;
+import static com.yomahub.flowtest.concurrent.ConcurrentCase.caseInit;
+
+/**
+ * 测试流程的顺序执行、并发执行等
+ * @author justin.xu
+ */
+@ActiveProfiles("test")
+@RunWith(SpringRunner.class)
+@SpringBootTest
+public class TestGroupIdFlow {
+
+    @Resource
+    private FlowExecutor flowExecutor;
+
+    private String init(List<String> steps) {
+
+        String requestId = UUID.randomUUID().toString();
+
+        caseInit(requestId, steps.stream().map(ConcurrentCase.Routers::new).collect(Collectors.toList()));
+
+        return requestId;
+    }
+
+    @Test
+    public void whenConditionGroupTest() throws Exception {
+        //由于errorResume，即使p5执行失败抛出异常, p7， p8也将会执行
+        String requestId = init(Arrays.asList("s1", "s2", "s3", "s4", "s5", "s6", "p3", "p4", "p6", "p7", "p8"));
+
+        flowExecutor.execute("test-groupId", requestId);
+
+        caseAssertRandom(requestId);
+    }
+}
diff --git a/liteflow-test-springboot/src/test/resources/config/flow-test.xml b/liteflow-test-springboot/src/test/resources/config/flow-test.xml
index 7bdc30870..575a6da5b 100644
--- a/liteflow-test-springboot/src/test/resources/config/flow-test.xml
+++ b/liteflow-test-springboot/src/test/resources/config/flow-test.xml
@@ -24,4 +24,10 @@
     <chain name="async-concurrent2">
         <when value="c6, c7, c8, c9, c10"/> <!-- async = true 表示并行 -->
     </chain>
+
+    <chain name="test-groupId">
+        <then value="s1, s2"/> <!-- then表示串行 -->
+        <when errorResume = "true" value="s3, s4, s5, s6" groupId="g1"/> <!-- 相同groupId errorResume = true  -->
+        <when errorResume = "false" value="p3, p4, p5, p6" groupId="g1"/> <!-- 相同groupId 合并compentent -->
+    </chain>
 </flow>