diff --git a/liteflow-core/src/main/java/com/yomahub/liteflow/builder/el/LiteFlowChainELBuilder.java b/liteflow-core/src/main/java/com/yomahub/liteflow/builder/el/LiteFlowChainELBuilder.java
index ea1b80e58..26071666f 100644
--- a/liteflow-core/src/main/java/com/yomahub/liteflow/builder/el/LiteFlowChainELBuilder.java
+++ b/liteflow-core/src/main/java/com/yomahub/liteflow/builder/el/LiteFlowChainELBuilder.java
@@ -233,6 +233,11 @@ public class LiteFlowChainELBuilder {
 		}
 	}
 
+	public LiteFlowChainELBuilder setNamespace(String nameSpace){
+		this.chain.setNamespace(nameSpace);
+		return this;
+	}
+
 	/**
 	 * EL表达式校验
 	 * @param elStr EL表达式
diff --git a/liteflow-core/src/main/java/com/yomahub/liteflow/common/ChainConstant.java b/liteflow-core/src/main/java/com/yomahub/liteflow/common/ChainConstant.java
index ad64b36e5..e54c6af2f 100644
--- a/liteflow-core/src/main/java/com/yomahub/liteflow/common/ChainConstant.java
+++ b/liteflow-core/src/main/java/com/yomahub/liteflow/common/ChainConstant.java
@@ -32,6 +32,10 @@ public interface ChainConstant {
 
 	String LANGUAGE = "language";
 
+	String NAMESPACE = "namespace";
+
+	String DEFAULT_NAMESPACE = "default";
+
 	String VALUE = "value";
 
 	String ANY = "any";
diff --git a/liteflow-core/src/main/java/com/yomahub/liteflow/core/FlowExecutor.java b/liteflow-core/src/main/java/com/yomahub/liteflow/core/FlowExecutor.java
index a60c3222c..bee3fa8ba 100644
--- a/liteflow-core/src/main/java/com/yomahub/liteflow/core/FlowExecutor.java
+++ b/liteflow-core/src/main/java/com/yomahub/liteflow/core/FlowExecutor.java
@@ -13,6 +13,7 @@ import cn.hutool.core.collection.ListUtil;
 import cn.hutool.core.lang.Tuple;
 import cn.hutool.core.map.MapUtil;
 import cn.hutool.core.util.*;
+import com.yomahub.liteflow.common.ChainConstant;
 import com.yomahub.liteflow.enums.ChainExecuteModeEnum;
 import com.yomahub.liteflow.enums.InnerChainTypeEnum;
 import com.yomahub.liteflow.enums.ParseModeEnum;
@@ -283,7 +284,11 @@ public class FlowExecutor {
 	}
 
 	public List<LiteflowResponse> executeRouteChain(Object param, Class<?>... contextBeanClazzArray){
-		return this.executeWithRoute(param, null, contextBeanClazzArray, null);
+		return this.executeWithRoute(null, param, null, contextBeanClazzArray, null);
+	}
+
+	public List<LiteflowResponse> executeRouteChain(String namespace, Object param, Class<?>... contextBeanClazzArray){
+		return this.executeWithRoute(namespace, param, null, contextBeanClazzArray, null);
 	}
 
 	public LiteflowResponse execute2Resp(String chainId, Object param, Object... contextBeanArray) {
@@ -291,23 +296,35 @@ public class FlowExecutor {
 	}
 
 	public List<LiteflowResponse> executeRouteChain(Object param, Object... contextBeanArray){
-		return this.executeWithRoute(param, null, null, contextBeanArray);
+		return this.executeWithRoute(null, param, null, null, contextBeanArray);
+	}
+
+	public List<LiteflowResponse> executeRouteChain(String namespace, Object param, Object... contextBeanArray){
+		return this.executeWithRoute(namespace, param, null, null, contextBeanArray);
 	}
 
 	public LiteflowResponse execute2RespWithRid(String chainId, Object param, String requestId, Class<?>... contextBeanClazzArray) {
 		return this.execute2Resp(chainId, param, requestId, contextBeanClazzArray, null);
 	}
 
-	public List<LiteflowResponse> executeRouteChainWithRid(String chainId, Object param, String requestId, Class<?>... contextBeanClazzArray) {
-		return this.executeWithRoute(param, requestId, contextBeanClazzArray, null);
+	public List<LiteflowResponse> executeRouteChainWithRid(Object param, String requestId, Class<?>... contextBeanClazzArray) {
+		return this.executeWithRoute(null, param, requestId, contextBeanClazzArray, null);
+	}
+
+	public List<LiteflowResponse> executeRouteChainWithRid(String namespace, Object param, String requestId, Class<?>... contextBeanClazzArray) {
+		return this.executeWithRoute(namespace, param, requestId, contextBeanClazzArray, null);
 	}
 
 	public LiteflowResponse execute2RespWithRid(String chainId, Object param, String requestId, Object... contextBeanArray) {
 		return this.execute2Resp(chainId, param, requestId, null, contextBeanArray);
 	}
 
-	public List<LiteflowResponse> executeRouteChainWithRid(String chainId, Object param, String requestId, Object... contextBeanArray) {
-		return this.executeWithRoute(param, requestId, null, contextBeanArray);
+	public List<LiteflowResponse> executeRouteChainWithRid(Object param, String requestId, Object... contextBeanArray) {
+		return this.executeWithRoute(null, param, requestId, null, contextBeanArray);
+	}
+
+	public List<LiteflowResponse> executeRouteChainWithRid(String namespace, Object param, String requestId, Object... contextBeanArray) {
+		return this.executeWithRoute(namespace, param, requestId, null, contextBeanArray);
 	}
 
 	// 调用一个流程并返回Future<LiteflowResponse>，允许多上下文的传入
@@ -353,8 +370,8 @@ public class FlowExecutor {
 		return LiteflowResponse.newMainResponse(slot);
 	}
 
-	private List<LiteflowResponse> executeWithRoute(Object param, String requestId, Class<?>[] contextBeanClazzArray, Object[] contextBeanArray){
-		List<Slot> slotList = doExecuteWithRoute(param, requestId, contextBeanClazzArray, contextBeanArray);
+	private List<LiteflowResponse> executeWithRoute(String namespace, Object param, String requestId, Class<?>[] contextBeanClazzArray, Object[] contextBeanArray){
+		List<Slot> slotList = doExecuteWithRoute(namespace, param, requestId, contextBeanClazzArray, contextBeanArray);
 		return slotList.stream().map(LiteflowResponse::newMainResponse).collect(Collectors.toList());
 	}
 
@@ -522,15 +539,23 @@ public class FlowExecutor {
 		MonitorFile.getInstance().addMonitorFilePaths(fileAbsolutePath);
 	}
 
-	private List<Slot> doExecuteWithRoute(Object param, String requestId, Class<?>[] contextBeanClazzArray, Object[] contextBeanArray){
+	private List<Slot> doExecuteWithRoute(String namespace, Object param, String requestId, Class<?>[] contextBeanClazzArray, Object[] contextBeanArray){
 		if (FlowBus.needInit()) {
 			init(true);
 		}
 
-		List<Chain> routeChainList = FlowBus.getChainMap().values().stream().filter(chain -> chain.getRouteItem() != null).collect(Collectors.toList());
+		if (StrUtil.isBlank(namespace)){
+			namespace = ChainConstant.DEFAULT_NAMESPACE;
+		}
+
+		String finalNamespace = namespace;
+		List<Chain> routeChainList = FlowBus.getChainMap().values().stream()
+				.filter(chain -> chain.getNamespace().equals(finalNamespace))
+				.filter(chain -> chain.getRouteItem() != null).collect(Collectors.toList());
 
 		if (CollUtil.isEmpty(routeChainList)){
-			throw new RouteChainNotFoundException("cannot find any route chain");
+			String errorMsg = StrUtil.format("no route found for namespace[{}]", finalNamespace);
+			throw new RouteChainNotFoundException(errorMsg);
 		}
 
 		String finalRequestId;
@@ -601,7 +626,7 @@ public class FlowExecutor {
 			}
 		}).filter(Objects::nonNull).collect(Collectors.toList());
 
-		LOG.info("There are {} chains that matched the route.", resultSlotList.size());
+		LOG.info("chain namespace:[{}], total size:[{}], matched size:[{}]", namespace, routeChainList.size(), resultSlotList.size());
 
 		return resultSlotList;
 	}
diff --git a/liteflow-core/src/main/java/com/yomahub/liteflow/flow/element/Chain.java b/liteflow-core/src/main/java/com/yomahub/liteflow/flow/element/Chain.java
index f381be1cf..fef1c6515 100644
--- a/liteflow-core/src/main/java/com/yomahub/liteflow/flow/element/Chain.java
+++ b/liteflow-core/src/main/java/com/yomahub/liteflow/flow/element/Chain.java
@@ -40,6 +40,8 @@ public class Chain implements Executable{
 
 	private boolean isCompiled = true;
 
+	private String namespace;
+
 	public Chain(String chainName) {
 		this.chainId = chainName;
 	}
@@ -195,4 +197,12 @@ public class Chain implements Executable{
 	public void setCompiled(boolean compiled) {
 		isCompiled = compiled;
 	}
+
+	public String getNamespace() {
+		return namespace;
+	}
+
+	public void setNamespace(String namespace) {
+		this.namespace = namespace;
+	}
 }
diff --git a/liteflow-core/src/main/java/com/yomahub/liteflow/parser/helper/ParserHelper.java b/liteflow-core/src/main/java/com/yomahub/liteflow/parser/helper/ParserHelper.java
index ab0fb928f..9c3df1206 100644
--- a/liteflow-core/src/main/java/com/yomahub/liteflow/parser/helper/ParserHelper.java
+++ b/liteflow-core/src/main/java/com/yomahub/liteflow/parser/helper/ParserHelper.java
@@ -1,5 +1,6 @@
 package com.yomahub.liteflow.parser.helper;
 
+import cn.hutool.core.util.BooleanUtil;
 import cn.hutool.core.util.ObjectUtil;
 import cn.hutool.core.util.StrUtil;
 import com.fasterxml.jackson.databind.JsonNode;
@@ -24,6 +25,7 @@ import java.util.Map;
 import java.util.Optional;
 import java.util.Set;
 import java.util.function.Consumer;
+import java.util.function.Function;
 
 import static com.yomahub.liteflow.common.ChainConstant.*;
 
@@ -310,9 +312,11 @@ public class ParserHelper {
         // 构建chainBuilder
         String chainId = Optional.ofNullable(chainNode.get(ID)).orElse(chainNode.get(NAME)).textValue();
 
+        String namespace = chainNode.get(NAMESPACE) == null? DEFAULT_NAMESPACE : chainNode.get(NAMESPACE).textValue();
+
         JsonNode routeJsonNode = chainNode.get(ROUTE);
 
-        LiteFlowChainELBuilder builder = LiteFlowChainELBuilder.createChain().setChainId(chainId);
+        LiteFlowChainELBuilder builder = LiteFlowChainELBuilder.createChain().setChainId(chainId).setNamespace(namespace);
 
         // 如果有route这个标签，说明是决策表chain
         // 决策表链路必须有route和body这两个标签
@@ -339,9 +343,11 @@ public class ParserHelper {
         // 构建chainBuilder
         String chainId = Optional.ofNullable(e.attributeValue(ID)).orElse(e.attributeValue(NAME));
 
+        String namespace = StrUtil.blankToDefault(e.attributeValue(NAMESPACE), DEFAULT_NAMESPACE);
+
         Element routeElement = e.element(ROUTE);
 
-        LiteFlowChainELBuilder builder = LiteFlowChainELBuilder.createChain().setChainId(chainId);
+        LiteFlowChainELBuilder builder = LiteFlowChainELBuilder.createChain().setChainId(chainId).setNamespace(namespace);
 
         // 如果有route这个标签，说明是决策表chain
         // 决策表链路必须有route和body这两个标签
@@ -364,6 +370,7 @@ public class ParserHelper {
             }
         }
 
+
         builder.build();
     }
 
diff --git a/liteflow-core/src/main/resources/dtd/liteflow.dtd b/liteflow-core/src/main/resources/dtd/liteflow.dtd
index 8698963e2..334cee794 100644
--- a/liteflow-core/src/main/resources/dtd/liteflow.dtd
+++ b/liteflow-core/src/main/resources/dtd/liteflow.dtd
@@ -14,9 +14,12 @@
         class CDATA #IMPLIED
         file CDATA #IMPLIED
         language (qlexpress|groovy|js|python|lua|aviator|java) #IMPLIED
+        enable (true|false) #IMPLIED
         >
 <!ATTLIST chain
         id CDATA #IMPLIED
         name CDATA #IMPLIED
         extends CDATA #IMPLIED
+        enable (true|false) #IMPLIED
+        namespace CDATA #IMPLIED
         >
\ No newline at end of file
diff --git a/liteflow-testcase-el/liteflow-testcase-el-routechain/src/test/java/com/yomahub/liteflow/test/namespace/RouteSpringbootNamespaceTest.java b/liteflow-testcase-el/liteflow-testcase-el-routechain/src/test/java/com/yomahub/liteflow/test/namespace/RouteSpringbootNamespaceTest.java
new file mode 100644
index 000000000..762db6a48
--- /dev/null
+++ b/liteflow-testcase-el/liteflow-testcase-el-routechain/src/test/java/com/yomahub/liteflow/test/namespace/RouteSpringbootNamespaceTest.java
@@ -0,0 +1,66 @@
+package com.yomahub.liteflow.test.namespace;
+
+import com.yomahub.liteflow.core.FlowExecutor;
+import com.yomahub.liteflow.exception.NoMatchedRouteChainException;
+import com.yomahub.liteflow.exception.RouteChainNotFoundException;
+import com.yomahub.liteflow.flow.LiteflowResponse;
+import com.yomahub.liteflow.slot.DefaultContext;
+import com.yomahub.liteflow.test.BaseTest;
+import org.junit.jupiter.api.Assertions;
+import org.junit.jupiter.api.Test;
+import org.junit.jupiter.api.function.Executable;
+import org.springframework.boot.autoconfigure.EnableAutoConfiguration;
+import org.springframework.boot.test.context.SpringBootTest;
+import org.springframework.context.annotation.ComponentScan;
+import org.springframework.test.context.TestPropertySource;
+
+import javax.annotation.Resource;
+import java.util.List;
+
+/**
+ * springboot环境EL常规的例子测试
+ *
+ * @author Bryan.Zhang
+ */
+@TestPropertySource(value = "classpath:/namespace/application.properties")
+@SpringBootTest(classes = RouteSpringbootNamespaceTest.class)
+@EnableAutoConfiguration
+@ComponentScan({ "com.yomahub.liteflow.test.namespace.cmp" })
+public class RouteSpringbootNamespaceTest extends BaseTest {
+
+	@Resource
+	private FlowExecutor flowExecutor;
+
+	// n1 space中的两个链路都能匹配
+	@Test
+	public void testNamespaceRoute1() throws Exception {
+		List<LiteflowResponse> responseList = flowExecutor.executeRouteChain("n1", 15, DefaultContext.class);
+		LiteflowResponse response1 = responseList.stream().filter(
+				liteflowResponse -> liteflowResponse.getChainId().equals("r_chain1")
+		).findFirst().orElse(null);
+
+		assert response1 != null;
+		Assertions.assertTrue(response1.isSuccess());
+		Assertions.assertEquals("b==>a", response1.getExecuteStepStr());
+
+		LiteflowResponse response2 = responseList.stream().filter(
+				liteflowResponse -> liteflowResponse.getChainId().equals("r_chain2")
+		).findFirst().orElse(null);
+
+		assert response2 != null;
+		Assertions.assertTrue(response2.isSuccess());
+		Assertions.assertEquals("a==>b", response2.getExecuteStepStr());
+	}
+
+	// n1这个namespace中没有规则被匹配上
+	@Test
+	public void testNamespaceRoute2() throws Exception {
+		Assertions.assertThrows(NoMatchedRouteChainException.class, () -> flowExecutor.executeRouteChain("n1", 8, DefaultContext.class));
+	}
+
+	// 没有n3这个namespace
+	@Test
+	public void testNamespaceRoute3() throws Exception {
+		Assertions.assertThrows(RouteChainNotFoundException.class, () -> flowExecutor.executeRouteChain("n3", 8, DefaultContext.class));
+	}
+}
diff --git a/liteflow-testcase-el/liteflow-testcase-el-routechain/src/test/java/com/yomahub/liteflow/test/namespace/cmp/ACmp.java b/liteflow-testcase-el/liteflow-testcase-el-routechain/src/test/java/com/yomahub/liteflow/test/namespace/cmp/ACmp.java
new file mode 100644
index 000000000..f2e91ff48
--- /dev/null
+++ b/liteflow-testcase-el/liteflow-testcase-el-routechain/src/test/java/com/yomahub/liteflow/test/namespace/cmp/ACmp.java
@@ -0,0 +1,20 @@
+/**
+ * <p>Title: liteflow</p>
+ * <p>Description: 轻量级的组件式流程框架</p>
+ * @author Bryan.Zhang
+ * @email weenyc31@163.com
+ * @Date 2020/4/1
+ */
+package com.yomahub.liteflow.test.namespace.cmp;
+
+import com.yomahub.liteflow.core.NodeComponent;
+import org.springframework.stereotype.Component;
+
+@Component("a")
+public class ACmp extends NodeComponent {
+
+	@Override
+	public void process() {
+		System.out.println("ACmp executed!");
+	}
+}
diff --git a/liteflow-testcase-el/liteflow-testcase-el-routechain/src/test/java/com/yomahub/liteflow/test/namespace/cmp/BCmp.java b/liteflow-testcase-el/liteflow-testcase-el-routechain/src/test/java/com/yomahub/liteflow/test/namespace/cmp/BCmp.java
new file mode 100644
index 000000000..36455d7c7
--- /dev/null
+++ b/liteflow-testcase-el/liteflow-testcase-el-routechain/src/test/java/com/yomahub/liteflow/test/namespace/cmp/BCmp.java
@@ -0,0 +1,21 @@
+/**
+ * <p>Title: liteflow</p>
+ * <p>Description: 轻量级的组件式流程框架</p>
+ * @author Bryan.Zhang
+ * @email weenyc31@163.com
+ * @Date 2020/4/1
+ */
+package com.yomahub.liteflow.test.namespace.cmp;
+
+import com.yomahub.liteflow.core.NodeComponent;
+import org.springframework.stereotype.Component;
+
+@Component("b")
+public class BCmp extends NodeComponent {
+
+	@Override
+	public void process() {
+		System.out.println("BCmp executed!");
+	}
+
+}
diff --git a/liteflow-testcase-el/liteflow-testcase-el-routechain/src/test/java/com/yomahub/liteflow/test/namespace/cmp/R1.java b/liteflow-testcase-el/liteflow-testcase-el-routechain/src/test/java/com/yomahub/liteflow/test/namespace/cmp/R1.java
new file mode 100644
index 000000000..f18471f93
--- /dev/null
+++ b/liteflow-testcase-el/liteflow-testcase-el-routechain/src/test/java/com/yomahub/liteflow/test/namespace/cmp/R1.java
@@ -0,0 +1,13 @@
+package com.yomahub.liteflow.test.namespace.cmp;
+
+import com.yomahub.liteflow.annotation.LiteflowComponent;
+import com.yomahub.liteflow.core.NodeBooleanComponent;
+
+@LiteflowComponent("r1")
+public class R1 extends NodeBooleanComponent {
+    @Override
+    public boolean processBoolean() throws Exception {
+        int testInt = this.getRequestData();
+        return testInt >= 10 && testInt <= 20;
+    }
+}
diff --git a/liteflow-testcase-el/liteflow-testcase-el-routechain/src/test/java/com/yomahub/liteflow/test/namespace/cmp/R2.java b/liteflow-testcase-el/liteflow-testcase-el-routechain/src/test/java/com/yomahub/liteflow/test/namespace/cmp/R2.java
new file mode 100644
index 000000000..b0fcf95fa
--- /dev/null
+++ b/liteflow-testcase-el/liteflow-testcase-el-routechain/src/test/java/com/yomahub/liteflow/test/namespace/cmp/R2.java
@@ -0,0 +1,13 @@
+package com.yomahub.liteflow.test.namespace.cmp;
+
+import com.yomahub.liteflow.annotation.LiteflowComponent;
+import com.yomahub.liteflow.core.NodeBooleanComponent;
+
+@LiteflowComponent("r2")
+public class R2 extends NodeBooleanComponent {
+    @Override
+    public boolean processBoolean() throws Exception {
+        int testInt = this.getRequestData();
+        return testInt > 100;
+    }
+}
diff --git a/liteflow-testcase-el/liteflow-testcase-el-routechain/src/test/resources/namespace/application.properties b/liteflow-testcase-el/liteflow-testcase-el-routechain/src/test/resources/namespace/application.properties
new file mode 100644
index 000000000..850ec86f5
--- /dev/null
+++ b/liteflow-testcase-el/liteflow-testcase-el-routechain/src/test/resources/namespace/application.properties
@@ -0,0 +1 @@
+liteflow.rule-source=namespace/flow.el.xml
\ No newline at end of file
diff --git a/liteflow-testcase-el/liteflow-testcase-el-routechain/src/test/resources/namespace/flow.el.xml b/liteflow-testcase-el/liteflow-testcase-el-routechain/src/test/resources/namespace/flow.el.xml
new file mode 100644
index 000000000..8a2aeaa6f
--- /dev/null
+++ b/liteflow-testcase-el/liteflow-testcase-el-routechain/src/test/resources/namespace/flow.el.xml
@@ -0,0 +1,30 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE flow PUBLIC  "liteflow" "liteflow.dtd">
+<flow>
+    <chain name="r_chain1" namespace="n1">
+        <route>
+            r1
+        </route>
+        <body>
+            THEN(b,a);
+        </body>
+    </chain>
+
+    <chain name="r_chain2" namespace="n1">
+        <route>
+            OR(r1,r2)
+        </route>
+        <body>
+            THEN(a,b);
+        </body>
+    </chain>
+
+    <chain name="r_chain3" namespace="n2">
+        <route>
+            r2
+        </route>
+        <body>
+            THEN(b,b);
+        </body>
+    </chain>
+</flow>
\ No newline at end of file