diff --git a/modules/service/src/main/java/com/bytedesk/service/agent/AgentEventListener.java b/modules/service/src/main/java/com/bytedesk/service/agent/AgentEventListener.java
index 4f4a0565bd..931ee36b88 100644
--- a/modules/service/src/main/java/com/bytedesk/service/agent/AgentEventListener.java
+++ b/modules/service/src/main/java/com/bytedesk/service/agent/AgentEventListener.java
@@ -47,7 +47,7 @@ import com.bytedesk.kbase.knowledge_base.KnowledgebaseRequest;
 import com.bytedesk.kbase.knowledge_base.KnowledgebaseService;
 import com.bytedesk.kbase.knowledge_base.KnowledgebaseTypeEnum;
 import com.bytedesk.service.agent.event.AgentCreateEvent;
-import com.bytedesk.service.strategy.ThreadMessageUtil;
+import com.bytedesk.service.utils.ThreadMessageUtil;
 
 import lombok.AllArgsConstructor;
 import lombok.extern.slf4j.Slf4j;
diff --git a/modules/service/src/main/java/com/bytedesk/service/routing/RouteService.java b/modules/service/src/main/java/com/bytedesk/service/routing/RouteService.java
index 9b6e4a8519..7a54601f0f 100644
--- a/modules/service/src/main/java/com/bytedesk/service/routing/RouteService.java
+++ b/modules/service/src/main/java/com/bytedesk/service/routing/RouteService.java
@@ -34,8 +34,8 @@ import com.bytedesk.service.queue_member.QueueMemberRestService;
 import com.bytedesk.service.queue_member.QueueMemberStatusEnum;
 import com.bytedesk.core.thread.ThreadEntity;
 import com.bytedesk.core.thread.ThreadRestService;
-import com.bytedesk.service.strategy.ThreadMessageUtil;
 import com.bytedesk.service.utils.ConvertServiceUtils;
+import com.bytedesk.service.utils.ThreadMessageUtil;
 import com.bytedesk.service.visitor.VisitorRequest;
 import com.bytedesk.service.workgroup.WorkgroupEntity;
 
diff --git a/modules/service/src/main/java/com/bytedesk/service/strategy/AgentCsThreadCreationStrategy.java b/modules/service/src/main/java/com/bytedesk/service/strategy/AgentCsThreadCreationStrategy.java
index ec30d47a98..ea5b4cfde1 100644
--- a/modules/service/src/main/java/com/bytedesk/service/strategy/AgentCsThreadCreationStrategy.java
+++ b/modules/service/src/main/java/com/bytedesk/service/strategy/AgentCsThreadCreationStrategy.java
@@ -26,6 +26,7 @@ import com.bytedesk.core.topic.TopicUtils;
 import com.bytedesk.service.agent.AgentEntity;
 import com.bytedesk.service.agent.AgentRestService;
 import com.bytedesk.service.routing.RouteService;
+import com.bytedesk.service.utils.ThreadMessageUtil;
 import com.bytedesk.service.visitor.VisitorRequest;
 import com.bytedesk.service.visitor_thread.VisitorThreadService;
 
diff --git a/modules/service/src/main/java/com/bytedesk/service/strategy/RobotCsThreadCreationStrategy.java b/modules/service/src/main/java/com/bytedesk/service/strategy/RobotCsThreadCreationStrategy.java
index f1852b6f91..f2fe279a3b 100644
--- a/modules/service/src/main/java/com/bytedesk/service/strategy/RobotCsThreadCreationStrategy.java
+++ b/modules/service/src/main/java/com/bytedesk/service/strategy/RobotCsThreadCreationStrategy.java
@@ -30,6 +30,7 @@ import com.bytedesk.core.thread.ThreadTypeEnum;
 import com.bytedesk.core.topic.TopicUtils;
 import com.bytedesk.core.uid.UidUtils;
 import com.bytedesk.service.utils.ConvertServiceUtils;
+import com.bytedesk.service.utils.ThreadMessageUtil;
 import com.bytedesk.service.visitor.VisitorRequest;
 import com.bytedesk.core.thread.ThreadEntity;
 
diff --git a/modules/service/src/main/java/com/bytedesk/service/strategy/WorkgroupCsThreadCreationStrategy.java b/modules/service/src/main/java/com/bytedesk/service/strategy/WorkgroupCsThreadCreationStrategy.java
index 66da5377a6..51edd9f9c9 100644
--- a/modules/service/src/main/java/com/bytedesk/service/strategy/WorkgroupCsThreadCreationStrategy.java
+++ b/modules/service/src/main/java/com/bytedesk/service/strategy/WorkgroupCsThreadCreationStrategy.java
@@ -26,6 +26,7 @@ import com.bytedesk.core.rbac.user.UserProtobuf;
 import com.bytedesk.core.thread.ThreadRestService;
 import com.bytedesk.core.topic.TopicUtils;
 import com.bytedesk.service.routing.RouteService;
+import com.bytedesk.service.utils.ThreadMessageUtil;
 import com.bytedesk.service.visitor.VisitorRequest;
 import com.bytedesk.service.visitor_thread.VisitorThreadService;
 import com.bytedesk.service.workgroup.WorkgroupEntity;
diff --git a/modules/service/src/main/java/com/bytedesk/service/strategy/ThreadMessageUtil.java b/modules/service/src/main/java/com/bytedesk/service/utils/ThreadMessageUtil.java
similarity index 98%
rename from modules/service/src/main/java/com/bytedesk/service/strategy/ThreadMessageUtil.java
rename to modules/service/src/main/java/com/bytedesk/service/utils/ThreadMessageUtil.java
index ba753c81f7..471def86b9 100644
--- a/modules/service/src/main/java/com/bytedesk/service/strategy/ThreadMessageUtil.java
+++ b/modules/service/src/main/java/com/bytedesk/service/utils/ThreadMessageUtil.java
@@ -2,7 +2,7 @@
  * @Author: jackning 270580156@qq.com
  * @Date: 2024-08-29 22:22:38
  * @LastEditors: jackning 270580156@qq.com
- * @LastEditTime: 2024-12-26 13:02:47
+ * @LastEditTime: 2024-12-26 14:47:22
  * @Description: bytedesk.com https://github.com/Bytedesk/bytedesk
  *   Please be aware of the BSL license restrictions before installing Bytedesk IM – 
  *  selling, reselling, or hosting Bytedesk IM as a service is a breach of the terms and automatically terminates your rights under the license. 
@@ -12,7 +12,7 @@
  *  联系：270580156@qq.com
  * Copyright (c) 2024 by bytedesk.com, All Rights Reserved. 
  */
-package com.bytedesk.service.strategy;
+package com.bytedesk.service.utils;
 
 import com.alibaba.fastjson2.JSON;
 import com.bytedesk.core.constant.I18Consts;
@@ -27,7 +27,6 @@ import com.bytedesk.core.rbac.user.UserProtobuf;
 import com.bytedesk.core.thread.ThreadEntity;
 import com.bytedesk.core.uid.UidUtils;
 import com.bytedesk.service.agent.AgentEntity;
-import com.bytedesk.service.utils.ConvertServiceUtils;
 
 import java.time.LocalDateTime;