diff --git a/backend/src/main/java/io/metersphere/performance/engine/docker/DockerTestEngine.java b/backend/src/main/java/io/metersphere/performance/engine/docker/DockerTestEngine.java
index 360a052749..c58107318f 100644
--- a/backend/src/main/java/io/metersphere/performance/engine/docker/DockerTestEngine.java
+++ b/backend/src/main/java/io/metersphere/performance/engine/docker/DockerTestEngine.java
@@ -6,6 +6,7 @@ import io.metersphere.base.domain.TestResource;
 import io.metersphere.commons.constants.ResourceStatusEnum;
 import io.metersphere.commons.exception.MSException;
 import io.metersphere.commons.utils.CommonBeanFactory;
+import io.metersphere.config.JmeterProperties;
 import io.metersphere.config.KafkaProperties;
 import io.metersphere.controller.ResultHolder;
 import io.metersphere.dto.BaseSystemConfigDTO;
@@ -70,6 +71,7 @@ public class DockerTestEngine extends AbstractEngine {
 
         BaseSystemConfigDTO baseInfo = CommonBeanFactory.getBean(SystemParameterService.class).getBaseInfo();
         KafkaProperties kafkaProperties = CommonBeanFactory.getBean(KafkaProperties.class);
+        JmeterProperties jmeterProperties = CommonBeanFactory.getBean(JmeterProperties.class);
         String metersphereUrl = "http://localhost:8081";
         if (baseInfo != null) {
             metersphereUrl = baseInfo.getUrl();
@@ -86,6 +88,7 @@ public class DockerTestEngine extends AbstractEngine {
         env.put("LOG_TOPIC", kafkaProperties.getLog().getTopic());
         env.put("RESOURCE_ID", resource.getId());
         env.put("THREAD_NUM", "" + threadNum);
+        env.put("HEAP", jmeterProperties.getHeap());
 
 
         StartTestRequest startTestRequest = new StartTestRequest();
diff --git a/backend/src/main/java/io/metersphere/xpack b/backend/src/main/java/io/metersphere/xpack
index fece9598da..6269b43749 160000
--- a/backend/src/main/java/io/metersphere/xpack
+++ b/backend/src/main/java/io/metersphere/xpack
@@ -1 +1 @@
-Subproject commit fece9598da37b1737ca285d41f1f517c70035246
+Subproject commit 6269b43749e4f6485be5429350c1e3101b2c53cf