diff --git a/osschat_insert.py b/osschat_insert.py
index f34ae70..8007b7e 100644
--- a/osschat_insert.py
+++ b/osschat_insert.py
@@ -96,19 +96,19 @@ def osschat_insert_pipe(config):
     p = (
         pipe.input('doc', 'project_name')
             .map('doc', 'text', data_loader)
-            .flat_map('text', 'sentence', text_split_op)
-            .map('sentence', 'embedding', sentence_embedding_op, config=sentence_embedding_config)
+            .flat_map('text', 'chunk', text_split_op)
+            .map('chunk', 'embedding', sentence_embedding_op, config=sentence_embedding_config)
     )
     if config.embedding_normalize:
         p = p.map('embedding', 'embedding', ops.towhee.np_normalize())
 
-    p = p.map(('project_name', 'doc', 'sentence', 'embedding'), 'milvus_res', insert_milvus_op)
+    p = p.map(('project_name', 'doc', 'chunk', 'embedding'), 'milvus_res', insert_milvus_op)
 
     if config.es_enable:
         es_index_op = ops.elasticsearch.osschat_index(**config.es_connection_kwargs)
         p = (
-            p.map('sentence', 'es_sentence', lambda x: {'sentence': x})
-             .map(('project_name', 'es_sentence'), 'es_res', es_index_op)
+            p.map('chunk', 'es_doc', lambda x: {'doc': x})
+             .map(('project_name', 'es_doc'), 'es_res', es_index_op)
              .map(('milvus_res', 'es_res'), 'res', lambda x, y: {'milvus_res': x, 'es_res': y})
         )
     else: