diff --git a/src/main/java/org/bench4q/master/domain/RunningScript.java b/src/main/java/org/bench4q/master/domain/RunningScript.java
index 065f2b08..94fda727 100644
--- a/src/main/java/org/bench4q/master/domain/RunningScript.java
+++ b/src/main/java/org/bench4q/master/domain/RunningScript.java
@@ -2,15 +2,21 @@ package org.bench4q.master.domain;
 
 import java.util.ArrayList;
 import java.util.List;
+import java.util.Timer;
+import java.util.TimerTask;
 import java.util.UUID;
 
 import org.bench4q.master.helper.ApplicationContextHelper;
 import org.bench4q.master.service.communication.RunningScriptService;
 import org.bench4q.master.service.infrastructure.RunningAgentService;
+import org.bench4q.master.service.infrastructure.TestPlanService;
+import org.bench4q.master.testplan.TestPlanEngine;
 import org.bench4q.master.testplan.datastatistics.BehaviorsBriefStatistics;
 import org.bench4q.master.testplan.datastatistics.DataStatistics;
 import org.bench4q.master.testplan.datastatistics.PageBriefStatistics;
 import org.bench4q.master.testplan.datastatistics.ScriptBriefStatistics;
+import org.bench4q.master.testplan.schedulscript.ExecutionOverTask;
+import org.bench4q.master.testplan.schedulscript.WarmUpOverTask;
 import org.bench4q.share.models.agent.statistics.AgentBehaviorsBriefModel;
 import org.bench4q.share.models.agent.statistics.AgentBriefStatusModel;
 import org.bench4q.share.models.master.ScriptBehaviorsBriefModel;
@@ -102,15 +108,15 @@ public class RunningScript {
 				.getBean(RunningAgentService.class));
 	}
 
-	public DataStatistics getScriptBriefStatistics() {
+	private DataStatistics getScriptBriefStatistics() {
 		return getSpecificStaitstics(ScriptBriefStatistics.class);
 	}
 
-	public DataStatistics getPageBriefStatistics() {
+	private DataStatistics getPageBriefStatistics() {
 		return getSpecificStaitstics(PageBriefStatistics.class);
 	}
 
-	public DataStatistics getBehaviorsBriefStatistics() {
+	private DataStatistics getBehaviorsBriefStatistics() {
 		return getSpecificStaitstics(BehaviorsBriefStatistics.class);
 	}
 
@@ -183,7 +189,38 @@ public class RunningScript {
 		return result;
 	}
 
+	public boolean scheduleAsConfig(TestPlanEngine testPlanEngine,
+			UUID testPlanId) {
+		TestScriptConfig testScriptConfig = this.getConfig();
+		if (testScriptConfig == null) {
+			return false;
+		}
+		Timer timer = new Timer();
+		timer.schedule(new WarmUpOverTask(), testScriptConfig.getWarmUp()
+				* TestPlanService.TIME_UNIT);
+
+		ExecutionOverTask executionOverTask = new ExecutionOverTask(this,
+				testPlanEngine);
+		timer.schedule(
+				executionOverTask,
+				(testScriptConfig.getWarmUp() + testScriptConfig
+						.getExecuteRange()) * TestPlanService.TIME_UNIT);
+
+		timer.schedule(
+				new TimerTask() {
+					@Override
+					public void run() {
+						System.out.println("cool down over!");
+					}
+				},
+				(testScriptConfig.getWarmUp()
+						+ testScriptConfig.getExecuteRange() + testScriptConfig
+							.getCoolDown()) * TestPlanService.TIME_UNIT);
+		return true;
+	}
+
 	public static boolean notValidScript(RunningScript input) {
 		return input == null || input.getRunningAgents() == null;
 	}
+
 }
diff --git a/src/main/java/org/bench4q/master/domain/TestPlanContext.java b/src/main/java/org/bench4q/master/domain/TestPlanContext.java
index 46ad0485..8b0b0fb4 100644
--- a/src/main/java/org/bench4q/master/domain/TestPlanContext.java
+++ b/src/main/java/org/bench4q/master/domain/TestPlanContext.java
@@ -24,7 +24,8 @@ public class TestPlanContext {
 		return runningScriptMap;
 	}
 
-	public void setRunningScriptMap(Map<Integer, RunningScript> runningScriptMap) {
+	private void setRunningScriptMap(
+			Map<Integer, RunningScript> runningScriptMap) {
 		this.runningScriptMap = runningScriptMap;
 	}
 
@@ -47,6 +48,7 @@ public class TestPlanContext {
 		this.setFinish(true);
 		this.setTestPlan(null);
 		this.setRunningScriptMap(null);
+		System.gc();
 	}
 
 	public void fillScriptMapAndAssignTestPlanId(List<RunningScript> list,
diff --git a/src/main/java/org/bench4q/master/testplan/TestPlanEngine.java b/src/main/java/org/bench4q/master/testplan/TestPlanEngine.java
index 48558d72..5d54db84 100644
--- a/src/main/java/org/bench4q/master/testplan/TestPlanEngine.java
+++ b/src/main/java/org/bench4q/master/testplan/TestPlanEngine.java
@@ -1,7 +1,5 @@
 package org.bench4q.master.testplan;
 
-import java.util.Timer;
-import java.util.TimerTask;
 import java.util.UUID;
 import java.util.concurrent.ExecutorService;
 import java.util.concurrent.Executors;
@@ -15,10 +13,7 @@ import org.bench4q.master.entity.User;
 import org.bench4q.master.service.infrastructure.TestPlanService;
 import org.bench4q.master.testplan.highavailable.CurrentLoadObserver;
 import org.bench4q.master.testplan.highavailable.HighAvailablePool;
-import org.bench4q.master.testplan.schedulscript.ExecutionOverTask;
 import org.bench4q.master.testplan.schedulscript.TaskCompleteCallback;
-import org.bench4q.master.testplan.schedulscript.WarmUpOverTask;
-import org.bench4q.share.models.master.TestScriptConfig;
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.stereotype.Component;
 
@@ -107,41 +102,11 @@ public class TestPlanEngine implements TaskCompleteCallback,
 	private boolean schedulePlanConfig(TestPlanContext testPlanContext,
 			UUID testPlanId) {
 		for (RunningScript runningScript : testPlanContext.getAllScript()) {
-			scheduleScriptConfig(runningScript, testPlanId);
+			runningScript.scheduleAsConfig(this, testPlanId);
 		}
 		return true;
 	}
 
-	private boolean scheduleScriptConfig(final RunningScript runningScript,
-			UUID testPlanId) {
-		TestScriptConfig testScriptConfig = runningScript.getConfig();
-		if (testScriptConfig == null) {
-			return false;
-		}
-		Timer timer = new Timer();
-		timer.schedule(new WarmUpOverTask(), testScriptConfig.getWarmUp()
-				* TestPlanService.TIME_UNIT);
-
-		ExecutionOverTask executionOverTask = new ExecutionOverTask(
-				runningScript, this);
-		timer.schedule(
-				executionOverTask,
-				(testScriptConfig.getWarmUp() + testScriptConfig
-						.getExecuteRange()) * TestPlanService.TIME_UNIT);
-
-		timer.schedule(
-				new TimerTask() {
-					@Override
-					public void run() {
-						System.out.println("cool down over!");
-					}
-				},
-				(testScriptConfig.getWarmUp()
-						+ testScriptConfig.getExecuteRange() + testScriptConfig
-							.getCoolDown()) * TestPlanService.TIME_UNIT);
-		return true;
-	}
-
 	public void doTaskComplete(UUID testPlanID) {
 		if (!this.getTestPlanContainer().isTestPlanFinished(testPlanID)) {
 			return;