diff --git a/aabook/src/fetch.py b/aabook/src/fetch.py
index c44ee54..f3e9fd4 100644
--- a/aabook/src/fetch.py
+++ b/aabook/src/fetch.py
@@ -27,9 +27,9 @@ def fetch_book_list():
             for item in list_data:
                 row_id = db_tools.insert_or_update_common(item, db_tools.tbl_name_books)
                 if row_id:
-                    logging.debug(f'insert one book. row_id: {row_id}, name: {item['name']}')
+                    logging.debug(f"insert one book. row_id: {row_id}, name: {item['name']}")
                 else:
-                    logging.warning(f'insert book error. name: {item['name']}, href: {item['href']}')
+                    logging.warning(f"insert book error. name: {item['name']}, href: {item['href']}")
             if next_url is None:
                 logging.info(f'get all pages.')
                 return True
@@ -69,13 +69,13 @@ def fetch_chapter_content(url):
             if contents:
                 chapter_data['contents'] = contents
             else:
-                logging.warning(f'fetching real content faild. url: {data['content_url']}')
+                logging.warning(f"fetching real content faild. url: {data['content_url']}")
                 return None, None
         else:
             logging.warning(f'fetch chapter page no data. url: {url}')
             return None, None
     else:
-        logging.warning(f'fetch chapter page error. url: {url}, status_code: {status_code}')
+        logging.warning(f"fetch chapter page error. url: {url}, status_code: {status_code}")
         return None, None
 
     return chapter_data, next_url
diff --git a/aabook/src/scraper.py b/aabook/src/scraper.py
index 6eb194d..1c4362a 100644
--- a/aabook/src/scraper.py
+++ b/aabook/src/scraper.py
@@ -180,7 +180,7 @@ def pase_chapter_list(soup, url):
     section_titles = div_table_of_contents.find_all('p', class_='section_title')
     sections = div_table_of_contents.find_all('ul', class_='section_list')
     if len(sections) > len(section_titles): # 一般是 后者比前者多1个，最后一个是广告
-        logging.warning(f'sections not matched titles, url: {url}, titles: {len(section_titles)}, sections: {len(sections)}')
+        logging.warning(f"sections not matched titles, url: {url}, titles: {len(section_titles)}, sections: {len(sections)}")
         return None
     else:
         for i in range(len(sections)):