diff --git a/linkis-computation-governance/linkis-manager/linkis-application-manager/src/main/java/org/apache/linkis/manager/am/conf/AMConfiguration.java b/linkis-computation-governance/linkis-manager/linkis-application-manager/src/main/java/org/apache/linkis/manager/am/conf/AMConfiguration.java
index 0c95cef777..0f018ca9de 100644
--- a/linkis-computation-governance/linkis-manager/linkis-application-manager/src/main/java/org/apache/linkis/manager/am/conf/AMConfiguration.java
+++ b/linkis-computation-governance/linkis-manager/linkis-application-manager/src/main/java/org/apache/linkis/manager/am/conf/AMConfiguration.java
@@ -69,7 +69,7 @@ public class AMConfiguration {
   public static final CommonVars<String> MULTI_USER_ENGINE_TYPES =
       CommonVars.apply(
           "wds.linkis.multi.user.engine.types",
-          "jdbc,es,presto,io_file,appconn,openlookeng,trino,nebula,hbase,repl");
+          "jdbc,es,presto,io_file,appconn,openlookeng,trino,nebula,hbase");
 
   public static final CommonVars<String> ALLOW_BATCH_KILL_ENGINE_TYPES =
       CommonVars.apply("wds.linkis.allow.batch.kill.engine.types", "spark,hive,python");
@@ -105,8 +105,8 @@ public class AMConfiguration {
   public static String getDefaultMultiEngineUser() {
     String jvmUser = Utils.getJvmUser();
     return String.format(
-        "{jdbc:\"%s\", es: \"%s\", presto:\"%s\", appconn:\"%s\", openlookeng:\"%s\", trino:\"%s\", nebula:\"%s\",repl:\"%s\", hbase:\"%s\",io_file:\"root\"}",
-        jvmUser, jvmUser, jvmUser, jvmUser, jvmUser, jvmUser, jvmUser, jvmUser, jvmUser);
+        "{jdbc:\"%s\", es: \"%s\", presto:\"%s\", appconn:\"%s\", openlookeng:\"%s\", trino:\"%s\", nebula:\"%s\", hbase:\"%s\",io_file:\"root\"}",
+        jvmUser, jvmUser, jvmUser, jvmUser, jvmUser, jvmUser, jvmUser, jvmUser);
   }
 
   public static boolean isMultiUserEngine(String engineType) {
diff --git a/linkis-computation-governance/linkis-manager/linkis-label-common/src/main/java/org/apache/linkis/manager/label/conf/LabelCommonConfig.java b/linkis-computation-governance/linkis-manager/linkis-label-common/src/main/java/org/apache/linkis/manager/label/conf/LabelCommonConfig.java
index fbb4e5d38c..89169eb58f 100644
--- a/linkis-computation-governance/linkis-manager/linkis-label-common/src/main/java/org/apache/linkis/manager/label/conf/LabelCommonConfig.java
+++ b/linkis-computation-governance/linkis-manager/linkis-label-common/src/main/java/org/apache/linkis/manager/label/conf/LabelCommonConfig.java
@@ -43,7 +43,7 @@ public class LabelCommonConfig {
       CommonVars.apply("wds.linkis.python.engine.version", "python2");
 
   public static final CommonVars<String> REPL_ENGINE_VERSION =
-      CommonVars.apply("wds.linkis.repl.engine.version", "1");
+      CommonVars.apply("linkis.repl.engine.version", "1");
 
   public static final CommonVars<String> FILE_ENGINE_VERSION =
       CommonVars.apply("wds.linkis.file.engine.version", "1.0");
diff --git a/linkis-engineconn-plugins/repl/src/main/java/org/apache/linkis/engineplugin/repl/executor/ReplEngineConnExecutor.java b/linkis-engineconn-plugins/repl/src/main/java/org/apache/linkis/engineplugin/repl/executor/ReplEngineConnExecutor.java
index f18714132c..bf7201cb61 100644
--- a/linkis-engineconn-plugins/repl/src/main/java/org/apache/linkis/engineplugin/repl/executor/ReplEngineConnExecutor.java
+++ b/linkis-engineconn-plugins/repl/src/main/java/org/apache/linkis/engineplugin/repl/executor/ReplEngineConnExecutor.java
@@ -130,20 +130,16 @@ public ExecuteResponse executeLine(EngineExecutionContext engineExecutorContext,
 
     String methodName = ReplConfiguration.METHOD_NAME.getValue(configMap);
 
-    Thread thread =
-        new Thread(
-            () -> {
-              try {
-                replAdapter.executorCode(realCode, classpathDir, methodName);
-              } catch (Exception e) {
-                String errorMessage = ExceptionUtils.getStackTrace(e);
-                logger.error("Repl engine execute failed : {}", errorMessage);
-                engineExecutorContext.appendStdout(LogUtils.generateERROR(errorMessage));
-              }
-            });
-
-    thread.start();
-    threadCache.put(taskId, thread);
+    threadCache.put(taskId, Thread.currentThread());
+
+    try {
+      replAdapter.executorCode(realCode, classpathDir, methodName);
+    } catch (Exception e) {
+      String errorMessage = ExceptionUtils.getStackTrace(e);
+      logger.error("Repl engine execute failed : {}", errorMessage);
+      engineExecutorContext.appendStdout(LogUtils.generateERROR(errorMessage));
+    }
+
     return new SuccessExecuteResponse();
   }
 
diff --git a/linkis-engineconn-plugins/repl/src/main/resources/repl-ec.md b/linkis-engineconn-plugins/repl/src/main/resources/repl-ec.md
index 2f41238266..5eb8c6c1b2 100644
--- a/linkis-engineconn-plugins/repl/src/main/resources/repl-ec.md
+++ b/linkis-engineconn-plugins/repl/src/main/resources/repl-ec.md
@@ -11,10 +11,6 @@ package com.linkis.javassist;
 
 import org.apache.commons.lang3.StringUtils;
 
-/**
- * @Author linkis
- * @Date 2023/10/9
- */
 public class Test {
     public void sayHello() {
         System.out.println("hello");
@@ -27,7 +23,7 @@ public class Test {
 ```json
 {
   "executionContent":{
-    "code":"package com.linkis.javassist;\n\nimport org.apache.commons.lang3.StringUtils;\n\n/**\n * @Author linkis\n * @Date 2023/10/9\n */\npublic class Test {\n    public void sayHello() {\n        System.out.println(\"hello\");\n        System.out.println(StringUtils.isEmpty(\"hello\"));\n    }\n}\n",
+    "code":"package com.linkis.javassist;\n\nimport org.apache.commons.lang3.StringUtils;\n\npublic class Test {\n    public void sayHello() {\n        System.out.println(\"hello\");\n        System.out.println(StringUtils.isEmpty(\"hello\"));\n    }\n}\n",
     "runType":"repl"
   },
   "params":{
@@ -113,5 +109,7 @@ http://www.javassist.org/tutorial/tutorial.html
 https://github.com/jboss-javassist/javassist
 
 https://github.com/apache/dubbo
+
+https://docs.scala-lang.org/overviews/scala-book/scala-repl.html
 ```
 
diff --git a/pom.xml b/pom.xml
index 5b310a8773..db87cce8c3 100644
--- a/pom.xml
+++ b/pom.xml
@@ -139,9 +139,6 @@
     <sqoop.version>1.4.6</sqoop.version>
     <elasticsearch.version>7.6.2</elasticsearch.version>
 
-    <!-- javassist -->
-    <javassist.version>3.28.0-GA</javassist.version>
-
     <!-- This is the same as the kubernetes-client version referenced in spark3.2.1 -->
     <kubernetes-client.version>5.4.1</kubernetes-client.version>