diff --git a/deepdoc/parser/excel_parser.py b/deepdoc/parser/excel_parser.py
index b7d9539e4..1016b115c 100644
--- a/deepdoc/parser/excel_parser.py
+++ b/deepdoc/parser/excel_parser.py
@@ -7,7 +7,7 @@ from rag.nlp import find_codec
 
 
 class RAGFlowExcelParser:
-    def html(self, fnm,chunk_rows=256):
+    def html(self, fnm, chunk_rows=256):
         if isinstance(fnm, str):
             wb = load_workbook(fnm)
         else:
diff --git a/rag/app/one.py b/rag/app/one.py
index ac67a64b2..80339513b 100644
--- a/rag/app/one.py
+++ b/rag/app/one.py
@@ -78,7 +78,7 @@ def chunk(filename, binary=None, from_page=0, to_page=100000,
     elif re.search(r"\.xlsx?$", filename, re.IGNORECASE):
         callback(0.1, "Start to parse.")
         excel_parser = ExcelParser()
-        sections = excel_parser.html(binary , 10000000)
+        sections = excel_parser.html(binary, 1000000000)
 
     elif re.search(r"\.txt$", filename, re.IGNORECASE):
         callback(0.1, "Start to parse.")
diff --git a/rag/utils/minio_conn.py b/rag/utils/minio_conn.py
index f6aff1bae..5841dabc3 100644
--- a/rag/utils/minio_conn.py
+++ b/rag/utils/minio_conn.py
@@ -35,7 +35,7 @@ class RAGFlowMinio(object):
         self.conn = None
 
     def health(self):
-        bucket, fnm, binary = "_t@@@1", "_t@@@1", b"_t@@@1"
+        bucket, fnm, binary = "txtxtxtxt1", "txtxtxtxt1", b"_t@@@1"
         if not self.conn.bucket_exists(bucket):
             self.conn.make_bucket(bucket)
         r = self.conn.put_object(bucket, fnm,