diff --git a/Bench4Q-Agent/src/main/java/org/bench4q/agent/plugin/basic/context/Context.java b/Bench4Q-Agent/src/main/java/org/bench4q/agent/plugin/basic/context/Context.java
new file mode 100644
index 00000000..1874bc79
--- /dev/null
+++ b/Bench4Q-Agent/src/main/java/org/bench4q/agent/plugin/basic/context/Context.java
@@ -0,0 +1,39 @@
+package org.bench4q.agent.plugin.basic.context;
+
+import java.util.ArrayList;
+import java.util.List;
+import java.util.Random;
+
+import org.bench4q.agent.plugin.Constructor;
+import org.bench4q.agent.plugin.Parameter;
+import org.bench4q.agent.plugin.ParameterBarn;
+import org.bench4q.agent.plugin.Plugin;
+import org.bench4q.agent.plugin.behavior.Behavior;
+import org.bench4q.agent.plugin.behavior.BehaviorType;
+import org.bench4q.agent.utils.Type.SupportTypes;
+
+@Plugin("Context")
+public class Context extends ParameterBarn {
+	private List<String> values;
+
+	@Constructor
+	public Context(
+			@Parameter(type = SupportTypes.Field, value = "testId") String testId) {
+		super(testId);
+		this.values = new ArrayList<String>();
+	}
+
+	@Behavior(value = "set", type = BehaviorType.CONTROL_BEHAVIOR)
+	public void set(
+			@Parameter(value = "toSave", type = SupportTypes.Field) String toSave) {
+		this.values.add(toSave);
+	}
+
+	@Override
+	public String getValue(String var) {
+		Random random = new Random();
+		int index = random.nextInt(this.values.size());
+		return this.values.get(index);
+	}
+
+}
diff --git a/Bench4Q-Agent/src/main/java/org/bench4q/agent/plugin/basic/context/ui.xml b/Bench4Q-Agent/src/main/java/org/bench4q/agent/plugin/basic/context/ui.xml
new file mode 100644
index 00000000..81192890
--- /dev/null
+++ b/Bench4Q-Agent/src/main/java/org/bench4q/agent/plugin/basic/context/ui.xml
@@ -0,0 +1,10 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE ui SYSTEM "../../dtd/ui.dtd">
+<ui>
+	<plugin name="CsvProvider">
+		<params />
+	</plugin>
+	<control name="set">
+		<params />
+	</control>
+</ui>
\ No newline at end of file
diff --git a/Bench4Q-Agent/src/main/java/org/bench4q/agent/scenario/VUser.java b/Bench4Q-Agent/src/main/java/org/bench4q/agent/scenario/VUser.java
index 0e1961a3..daca84df 100644
--- a/Bench4Q-Agent/src/main/java/org/bench4q/agent/scenario/VUser.java
+++ b/Bench4Q-Agent/src/main/java/org/bench4q/agent/scenario/VUser.java
@@ -71,7 +71,6 @@ public class VUser implements Runnable {
 				doRunBatch(plugins, batch, context.getDataStatistics());
 			}
 			long endTime = System.currentTimeMillis();
-
 			context.getDataStatistics().add(
 					PageResult.buildPageResult(i, startTime, endTime));
 		}
diff --git a/Bench4Q-Agent/src/main/java/org/bench4q/agent/scenario/behavior/TransactionBehavior.java b/Bench4Q-Agent/src/main/java/org/bench4q/agent/scenario/behavior/TransactionBehavior.java
new file mode 100644
index 00000000..ba109b3b
--- /dev/null
+++ b/Bench4Q-Agent/src/main/java/org/bench4q/agent/scenario/behavior/TransactionBehavior.java
@@ -0,0 +1,21 @@
+package org.bench4q.agent.scenario.behavior;
+
+import java.util.Map;
+
+import org.bench4q.agent.datacollector.DataCollector;
+import org.bench4q.agent.datacollector.impl.BehaviorStatusCodeResult;
+
+public class TransactionBehavior extends Behavior {
+
+	@Override
+	public boolean shouldBeCount() {
+		return true;
+	}
+
+	@Override
+	public Map<Integer, BehaviorStatusCodeResult> getBehaviorBriefResult(
+			DataCollector dataStatistics) {
+		return null;
+	}
+
+}
diff --git a/Bench4Q-Agent/src/test/java/org/bench4q/agent/test/plugin/Test_ContextPlugin.java b/Bench4Q-Agent/src/test/java/org/bench4q/agent/test/plugin/Test_ContextPlugin.java
new file mode 100644
index 00000000..058e8051
--- /dev/null
+++ b/Bench4Q-Agent/src/test/java/org/bench4q/agent/test/plugin/Test_ContextPlugin.java
@@ -0,0 +1,61 @@
+package org.bench4q.agent.test.plugin;
+
+import java.util.ArrayList;
+import java.util.Arrays;
+import java.util.UUID;
+
+import org.bench4q.agent.plugin.basic.context.Context;
+import org.bench4q.agent.scenario.Scenario;
+import org.bench4q.agent.scenario.VUser;
+import org.bench4q.agent.test.TestBase;
+import org.bench4q.share.helper.MarshalHelper;
+import org.bench4q.share.models.agent.ParameterModel;
+import org.bench4q.share.models.agent.RunScenarioModel;
+import org.bench4q.share.models.agent.scriptrecord.BatchModel;
+import org.bench4q.share.models.agent.scriptrecord.BehaviorModel;
+import org.bench4q.share.models.agent.scriptrecord.PageModel;
+import org.bench4q.share.models.agent.scriptrecord.UsePluginModel;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.springframework.test.context.ContextConfiguration;
+import org.springframework.test.context.junit4.SpringJUnit4ClassRunner;
+
+@RunWith(SpringJUnit4ClassRunner.class)
+@ContextConfiguration(locations = { "classpath:application-context.xml" })
+public class Test_ContextPlugin extends TestBase {
+	@Test
+	public void test_SetAndGet() {
+		Context context = new Context(UUID.randomUUID().toString());
+		context.set("abcd");
+		System.out.println(context.getValue(""));
+	}
+
+	@Test
+	public void testWithScenario() {
+		RunScenarioModel scenarioModel = new RunScenarioModel();
+		String pluginId = "context1";
+		UsePluginModel context = UsePluginModel.createUsePlugin(pluginId,
+				"Context", new ArrayList<ParameterModel>());
+		UsePluginModel log = UsePluginModel.createUsePlugin("log1", "Log",
+				new ArrayList<ParameterModel>());
+		scenarioModel.getUsePlugins().add(context);
+		scenarioModel.getUsePlugins().add(log);
+		BehaviorModel set = BehaviorModel.ControlBehaviorBuilder(0, "set",
+				pluginId, Arrays.asList(ParameterModel.createParameter(
+						"toSave", "chentienan")));
+		BehaviorModel logIt = BehaviorModel.UserBehaviorBuilder(1, "Log",
+				"log1", Arrays.asList(ParameterModel.createParameter("message",
+						"${context1:test}")));
+		PageModel pageModel = new PageModel();
+		scenarioModel.getPages().add(pageModel);
+		BatchModel batchModel = new BatchModel();
+		pageModel.getBatches().add(batchModel);
+		batchModel.getBehaviors().add(set);
+		batchModel.getBehaviors().add(logIt);
+		// System.out.println(MarshalHelper.tryMarshal(scenarioModel));
+		VUser vuser = createVUser(
+				Scenario.scenarioBuilderWithCompile(scenarioModel),
+				UUID.randomUUID());
+		vuser.run();
+	}
+}
diff --git a/Bench4Q-Share/src/main/java/org/bench4q/share/models/agent/RunScenarioModel.java b/Bench4Q-Share/src/main/java/org/bench4q/share/models/agent/RunScenarioModel.java
index 65204887..227fca67 100644
--- a/Bench4Q-Share/src/main/java/org/bench4q/share/models/agent/RunScenarioModel.java
+++ b/Bench4Q-Share/src/main/java/org/bench4q/share/models/agent/RunScenarioModel.java
@@ -14,7 +14,6 @@ import org.bench4q.share.models.agent.scriptrecord.UsePluginModel;
 public class RunScenarioModel {
 	private int poolSize;
 	private List<UsePluginModel> usePlugins;
-	private List<DefinedParameterModel> definedParameters;
 	private List<PageModel> pages;
 
 	@XmlElement
@@ -36,17 +35,6 @@ public class RunScenarioModel {
 		this.usePlugins = usePlugins;
 	}
 
-	@XmlElementWrapper(name = "definedParams")
-	@XmlElement(name = "definedParam")
-	public List<DefinedParameterModel> getDefinedParameters() {
-		return definedParameters;
-	}
-
-	public void setDefinedParameters(
-			List<DefinedParameterModel> definedParameters) {
-		this.definedParameters = definedParameters;
-	}
-
 	@XmlElementWrapper(name = "pages")
 	@XmlElement(name = "page")
 	public List<PageModel> getPages() {
@@ -60,6 +48,5 @@ public class RunScenarioModel {
 	public RunScenarioModel() {
 		this.setUsePlugins(new LinkedList<UsePluginModel>());
 		this.setPages(new LinkedList<PageModel>());
-		this.setDefinedParameters(new LinkedList<DefinedParameterModel>());
 	}
 }
diff --git a/Bench4Q-Share/src/main/java/org/bench4q/share/models/agent/scriptrecord/BehaviorModel.java b/Bench4Q-Share/src/main/java/org/bench4q/share/models/agent/scriptrecord/BehaviorModel.java
index 490f7a99..0b9eaa86 100644
--- a/Bench4Q-Share/src/main/java/org/bench4q/share/models/agent/scriptrecord/BehaviorModel.java
+++ b/Bench4Q-Share/src/main/java/org/bench4q/share/models/agent/scriptrecord/BehaviorModel.java
@@ -90,4 +90,12 @@ public class BehaviorModel {
 		behaviorBaseModel.setType("USERBEHAVIOR");
 		return behaviorBaseModel;
 	}
+
+	public static BehaviorModel ControlBehaviorBuilder(int id, String name,
+			String use, List<ParameterModel> parameters) {
+		BehaviorModel result = buildBehaviorModelWithoutType(id, name, use,
+				parameters);
+		result.setType("CONTROLBEHAVIOR");
+		return result;
+	}
 }
diff --git a/Bench4Q-Share/src/main/java/org/bench4q/share/models/agent/scriptrecord/RunScenarioModelNew.java b/Bench4Q-Share/src/main/java/org/bench4q/share/models/agent/scriptrecord/RunScenarioModelNew.java
new file mode 100644
index 00000000..81127dd3
--- /dev/null
+++ b/Bench4Q-Share/src/main/java/org/bench4q/share/models/agent/scriptrecord/RunScenarioModelNew.java
@@ -0,0 +1,44 @@
+package org.bench4q.share.models.agent.scriptrecord;
+
+import java.util.List;
+
+import javax.xml.bind.annotation.XmlElement;
+import javax.xml.bind.annotation.XmlElementWrapper;
+import javax.xml.bind.annotation.XmlRootElement;
+
+@XmlRootElement
+public class RunScenarioModelNew {
+	private int poolSize;
+	private List<UsePluginModel> usePlugins;
+	private List<BehaviorModel> behaviors;
+
+	@XmlElement
+	public int getPoolSize() {
+		return poolSize;
+	}
+
+	public void setPoolSize(int poolSize) {
+		this.poolSize = poolSize;
+	}
+
+	@XmlElementWrapper(name = "plugins")
+	@XmlElement(name = "plugin")
+	public List<UsePluginModel> getUsePlugins() {
+		return usePlugins;
+	}
+
+	public void setUsePlugins(List<UsePluginModel> usePlugins) {
+		this.usePlugins = usePlugins;
+	}
+
+	@XmlElementWrapper(name = "behaviors")
+	@XmlElement(name = "behavior")
+	public List<BehaviorModel> getBehaviors() {
+		return behaviors;
+	}
+
+	public void setBehaviors(List<BehaviorModel> behaviors) {
+		this.behaviors = behaviors;
+	}
+
+}
diff --git a/Bench4Q-Share/src/main/java/org/bench4q/share/models/agent/scriptrecord/UsePluginModel.java b/Bench4Q-Share/src/main/java/org/bench4q/share/models/agent/scriptrecord/UsePluginModel.java
index daa2913a..8a70c081 100644
--- a/Bench4Q-Share/src/main/java/org/bench4q/share/models/agent/scriptrecord/UsePluginModel.java
+++ b/Bench4Q-Share/src/main/java/org/bench4q/share/models/agent/scriptrecord/UsePluginModel.java
@@ -42,4 +42,15 @@ public class UsePluginModel {
 		this.parameters = parameters;
 	}
 
+	public UsePluginModel() {
+	}
+
+	public static UsePluginModel createUsePlugin(String id, String name,
+			List<ParameterModel> initParameters) {
+		UsePluginModel result = new UsePluginModel();
+		result.setId(id);
+		result.setName(name);
+		result.setParameters(initParameters);
+		return result;
+	}
 }
diff --git a/Bench4Q-Share/src/main/java/org/bench4q/share/models/agent/scriptrecord/refactor/BehaviorModel.java b/Bench4Q-Share/src/main/java/org/bench4q/share/models/agent/scriptrecord/refactor/BehaviorModel.java
new file mode 100644
index 00000000..26c4cb52
--- /dev/null
+++ b/Bench4Q-Share/src/main/java/org/bench4q/share/models/agent/scriptrecord/refactor/BehaviorModel.java
@@ -0,0 +1,93 @@
+package org.bench4q.share.models.agent.scriptrecord.refactor;
+
+import java.util.List;
+
+import javax.xml.bind.annotation.XmlElement;
+import javax.xml.bind.annotation.XmlElementWrapper;
+import javax.xml.bind.annotation.XmlRootElement;
+
+import org.bench4q.share.models.agent.ParameterModel;
+
+@XmlRootElement(name = "behaviorModel")
+public class BehaviorModel {
+	private int id;
+	private String use;
+	private String name;
+	private String type;
+	private List<ParameterModel> parameters;
+
+	@XmlElement
+	public int getId() {
+		return id;
+	}
+
+	public void setId(int id) {
+		this.id = id;
+	}
+
+	@XmlElement
+	public String getUse() {
+		return use;
+	}
+
+	public void setUse(String use) {
+		this.use = use;
+	}
+
+	@XmlElement
+	public String getName() {
+		return name;
+	}
+
+	public void setName(String name) {
+		this.name = name;
+	}
+
+	@XmlElement
+	public String getType() {
+		return type;
+	}
+
+	public void setType(String type) {
+		this.type = type;
+	}
+
+	@XmlElementWrapper(name = "parameters")
+	@XmlElement(name = "parameter")
+	public List<ParameterModel> getParameters() {
+		return parameters;
+	}
+
+	public void setParameters(List<ParameterModel> parameters) {
+		this.parameters = parameters;
+	}
+
+	public BehaviorModel() {
+	}
+
+	public static BehaviorModel TimerBehaviorBuilder(int id, String name,
+			String use, List<ParameterModel> parameters) {
+		BehaviorModel behaviorBaseModel = buildBehaviorModelWithoutType(id,
+				name, use, parameters);
+		behaviorBaseModel.setType("TIMERBEHAVIOR");
+		return behaviorBaseModel;
+	}
+
+	private static BehaviorModel buildBehaviorModelWithoutType(int id,
+			String name, String use, List<ParameterModel> parameters) {
+		BehaviorModel behaviorBaseModel = new BehaviorModel();
+		behaviorBaseModel.setId(id);
+		behaviorBaseModel.setName(name);
+		behaviorBaseModel.setUse(use);
+		behaviorBaseModel.setParameters(parameters);
+		return behaviorBaseModel;
+	}
+
+	public static BehaviorModel UserBehaviorBuilder(int id, String name,
+			String use, List<ParameterModel> parameters) {
+		BehaviorModel behaviorBaseModel = buildBehaviorModelWithoutType(id,
+				name, use, parameters);
+		behaviorBaseModel.setType("USERBEHAVIOR");
+		return behaviorBaseModel;
+	}
+}