diff --git a/apps/common/event/listener_manage.py b/apps/common/event/listener_manage.py
index 4982fa03b..9feea20e3 100644
--- a/apps/common/event/listener_manage.py
+++ b/apps/common/event/listener_manage.py
@@ -253,7 +253,7 @@ class ListenerManagement:
         """
         if state_list is None:
             state_list = [State.PENDING, State.SUCCESS, State.FAILURE, State.REVOKE, State.REVOKED]
-        if not try_lock('embedding' + str(document_id)):
+        if not try_lock('embedding:' + str(document_id)):
             return
         try:
             def is_the_task_interrupted():
@@ -290,7 +290,7 @@ class ListenerManagement:
             ListenerManagement.post_update_document_status(document_id, TaskType.EMBEDDING)
             ListenerManagement.get_aggregation_document_status(document_id)()
             maxkb_logger.info(_('End--->Embedding document: {document_id}').format(document_id=document_id))
-            un_lock('embedding' + str(document_id))
+            un_lock('embedding:' + str(document_id))
 
     @staticmethod
     def embedding_by_knowledge(knowledge_id, embedding_model: Embeddings):
diff --git a/apps/common/utils/lock.py b/apps/common/utils/lock.py
index 4276f1c65..010b69580 100644
--- a/apps/common/utils/lock.py
+++ b/apps/common/utils/lock.py
@@ -20,7 +20,9 @@ def try_lock(key: str, timeout=None):
     :param timeout 超时时间
     :return: 是否获取到锁
     """
-    return memory_cache.add(key, 'lock', timeout=timedelta(hours=1).total_seconds() if timeout is not None else timeout)
+    if timeout is None:
+        timeout = 3600 # 默认超时时间为3600秒
+    return memory_cache.add(key, 'lock', timeout=timeout)
 
 
 def un_lock(key: str):