diff --git a/aabook/src/sqlite_utils.py b/aabook/src/sqlite_utils.py
index a0b66f3..3bdab5a 100644
--- a/aabook/src/sqlite_utils.py
+++ b/aabook/src/sqlite_utils.py
@@ -15,6 +15,12 @@ tbl_name_books = 'books'
 tbl_name_chapters_prefix = 'chapters'
 tbl_name_section = 'books_sections'
 
+
+# 检查 SQLite 版本
+sqlite_version = sqlite3.sqlite_version_info
+if sqlite_version < (3, 24, 0):
+    logging.warning("当前 SQLite 版本低于 3.24.0，可能不支持 ON CONFLICT 子句。")
+
 # 获取表的列名和默认值
 def get_table_columns_and_defaults(tbl_name):
     try:
@@ -61,7 +67,7 @@ def insert_or_update_common(data, tbl_name, uniq_key='href'):
         columns = ', '.join(processed_data.keys())
         values = list(processed_data.values())
         placeholders = ', '.join(['?' for _ in values])
-        update_clause = ', '.join([f"{col}=EXCLUDED.{col}" for col in processed_data.keys() if col != {uniq_key}]) + ', updated_at=datetime(\'now\', \'localtime\')'
+        update_clause = ', '.join([f"{col}=EXCLUDED.{col}" for col in processed_data.keys() if col != uniq_key]) + ', updated_at=datetime(\'now\', \'localtime\')'
 
         sql = f'''
             INSERT INTO {tbl_name} ({columns}, updated_at)