diff --git a/api/app/core/rag/app/naive.py b/api/app/core/rag/app/naive.py
index 2b8d0e50..72272347 100644
--- a/api/app/core/rag/app/naive.py
+++ b/api/app/core/rag/app/naive.py
@@ -670,7 +670,7 @@ def chunk(filename, binary=None, from_page=0, to_page=100000,
             with open(filename, "rb") as f:
                 binary = f.read()
         excel_parser = ExcelParser()
-        if parser_config.get("html4excel"):
+        if parser_config.get("html4excel") and parser_config.get("html4excel").lower() == "true":
             sections = [(_, "") for _ in excel_parser.html(binary, 12) if _]
             parser_config["chunk_token_num"] = 0
         else:
diff --git a/api/app/models/document_model.py b/api/app/models/document_model.py
index fb43d44d..48be241c 100644
--- a/api/app/models/document_model.py
+++ b/api/app/models/document_model.py
@@ -19,7 +19,7 @@ class Document(Base):
     parser_config = Column(JSON, nullable=False,
                            default={
                                "layout_recognize": "DeepDOC",
-                               "chunk_token_num": 128,
+                               "chunk_token_num": 130,
                                "delimiter": "\n",
                                "auto_keywords": 0,
                                "auto_questions": 0,
diff --git a/api/app/tasks.py b/api/app/tasks.py
index 91b2e070..8d89e0d1 100644
--- a/api/app/tasks.py
+++ b/api/app/tasks.py
@@ -497,7 +497,7 @@ def sync_knowledge_for_kb(kb_id: uuid.UUID):
                                     parser_id="naive",
                                     parser_config={
                                         "layout_recognize": "DeepDOC",
-                                        "chunk_token_num": 128,
+                                        "chunk_token_num": 130,
                                         "delimiter": "\n",
                                         "auto_keywords": 0,
                                         "auto_questions": 0,
@@ -666,7 +666,7 @@ def sync_knowledge_for_kb(kb_id: uuid.UUID):
                                     parser_id="naive",
                                     parser_config={
                                         "layout_recognize": "DeepDOC",
-                                        "chunk_token_num": 128,
+                                        "chunk_token_num": 130,
                                         "delimiter": "\n",
                                         "auto_keywords": 0,
                                         "auto_questions": 0,
@@ -828,7 +828,7 @@ def sync_knowledge_for_kb(kb_id: uuid.UUID):
                                     parser_id="naive",
                                     parser_config={
                                         "layout_recognize": "DeepDOC",
-                                        "chunk_token_num": 128,
+                                        "chunk_token_num": 130,
                                         "delimiter": "\n",
                                         "auto_keywords": 0,
                                         "auto_questions": 0,