diff --git a/lightrag/lightrag.py b/lightrag/lightrag.py
index cad1826d..0554ab76 100644
--- a/lightrag/lightrag.py
+++ b/lightrag/lightrag.py
@@ -845,7 +845,8 @@ class LightRAG:
                                 )
                             }
                             # Process document (text chunks and full docs) in parallel
-                            tasks = [
+                            # Create tasks with references for potential cancellation
+                            doc_status_task = asyncio.create_task(
                                 self.doc_status.upsert(
                                     {
                                         doc_id: {
@@ -857,13 +858,28 @@ class LightRAG:
                                             "created_at": status_doc.created_at,
                                         }
                                     }
-                                ),
-                                self.chunks_vdb.upsert(chunks),
-                                self._process_entity_relation_graph(chunks),
+                                )
+                            )
+                            chunks_vdb_task = asyncio.create_task(
+                                self.chunks_vdb.upsert(chunks)
+                            )
+                            entity_relation_task = asyncio.create_task(
+                                self._process_entity_relation_graph(chunks)
+                            )
+                            full_docs_task = asyncio.create_task(
                                 self.full_docs.upsert(
                                     {doc_id: {"content": status_doc.content}}
-                                ),
-                                self.text_chunks.upsert(chunks),
+                                )
+                            )
+                            text_chunks_task = asyncio.create_task(
+                                self.text_chunks.upsert(chunks)
+                            )
+                            tasks = [
+                                doc_status_task,
+                                chunks_vdb_task,
+                                entity_relation_task,
+                                full_docs_task,
+                                text_chunks_task,
                             ]
                             try:
                                 await asyncio.gather(*tasks)
@@ -881,9 +897,25 @@ class LightRAG:
                                     }
                                 )
                             except Exception as e:
-                                logger.error(
+                                # Log error and update pipeline status
+                                error_msg = (
                                     f"Failed to process document {doc_id}: {str(e)}"
                                 )
+                                logger.error(error_msg)
+                                pipeline_status["latest_message"] = error_msg
+                                pipeline_status["history_messages"].append(error_msg)
+
+                                # Cancel other tasks as they are no longer meaningful
+                                for task in [
+                                    chunks_vdb_task,
+                                    entity_relation_task,
+                                    full_docs_task,
+                                    text_chunks_task,
+                                ]:
+                                    if not task.done():
+                                        task.cancel()
+
+                                # Update document status to failed
                                 await self.doc_status.upsert(
                                     {
                                         doc_id: {
@@ -926,7 +958,7 @@ class LightRAG:
                 pipeline_status["latest_message"] = log_message
                 pipeline_status["history_messages"].append(log_message)
 
-                # 获取新的待处理文档
+                # Check for pending documents again
                 processing_docs, failed_docs, pending_docs = await asyncio.gather(
                     self.doc_status.get_docs_by_status(DocStatus.PROCESSING),
                     self.doc_status.get_docs_by_status(DocStatus.FAILED),