diff --git a/ecs/jskult-webapp/src/services/bio_view_service.py b/ecs/jskult-webapp/src/services/bio_view_service.py
index 45b80162..3b320114 100644
--- a/ecs/jskult-webapp/src/services/bio_view_service.py
+++ b/ecs/jskult-webapp/src/services/bio_view_service.py
@@ -158,14 +158,13 @@ class BioViewService(BaseService):
             data_frame_range = len(data_frame)
             side = Side(style='thin', color='000000')
             border = Border(top=side, bottom=side, left=side, right=side)
-            # 出力したExcelに罫線を引く
+            # Excelに罫線を引く
             workbook = writer.book
             sheet = workbook['Sheet1']
-            for row in sheet[f'A1:AK{i + data_frame_chunk_size}']:
+            for row in sheet[f'A1:AK{data_frame_chunk_size + 1}']:
                 for cell in row:
                     cell.border = border
 
-
             # 指定行数ごとにデータを分割して処理
             for i in range(0, data_frame_range, data_frame_chunk_size):
                 chunk_df = data_frame.iloc[i:i + data_frame_chunk_size]
@@ -178,13 +177,6 @@ class BioViewService(BaseService):
                 await loop.run_in_executor(None, functools.partial(
                     chunk_df.to_excel, writer,
                     header=False, index=False, startrow=start_row, startcol=0))
-            # workbook = writer.book
-            # sheet = workbook['Sheet1']
-            # side = Side(style='thin', color='000000')
-            # border = Border(top=side, bottom=side, left=side, right=side)
-            # for row in sheet[f'A1:AK{data_frame_range + 1}']:
-            #     for cell in row:
-            #         cell.border = border
 
         return output_file_path