diff --git a/db.py b/db.py
index d0a9073..5e59554 100644
--- a/db.py
+++ b/db.py
@@ -18,6 +18,9 @@ class DbAction:
 
     def get_db_data(self):
         query_sql = f"SELECT h.id, h.cate, h.date, h.`name`, h.save_link, h.`code`, h.unzip_pwd FROM scrapyh h WHERE h.date IN ({self.date_list})"
+        ext_filter = " AND save_link != '' AND code != '' AND file_name IS NULL "
+        query_sql = query_sql + ext_filter
+        print(query_sql)
         # 错误调试
         # query_sql = query_sql + " AND id IN ('35334', '35335', '35336', '35337', '35338', '35339')"
         self.cursor.execute(query_sql)
@@ -27,6 +30,12 @@ class DbAction:
         query_sql = f"UPDATE scrapyh SET file_name = %s WHERE id = %s"
         self.cursor.execute(query_sql, (file_name, data_id))
         self.conn.commit()
+        print(f'{data_id}文件名为{file_name}')
+
+    def mark_failed(self, data_id):
+        query_sql = f"UPDATE scrapyh SET file_name = '链接失效' WHERE id = %s"
+        self.cursor.execute(query_sql, (data_id,))
+        self.conn.commit()
 
     def disconnect_db(self):
         self.cursor.close()
diff --git a/main.py b/main.py
index aa9d4e6..5625dcd 100644
--- a/main.py
+++ b/main.py
@@ -6,9 +6,10 @@ import random
 
 # config
 # get_end_date = 'today'
-get_end_date = '2023-08-03'
+get_end_date = '2023-08-09'
 
 
+# 整理链接格式
 def format_link(link):
     if '?pwd=' in link:
         link = link[:-9]
@@ -17,6 +18,7 @@ def format_link(link):
     return link
 
 
+# 封装通用方法
 def req(_data, req_obj, db_obj):
     base_temp_path = r'/Temp/'
     date_str = datetime.datetime.strftime(datetime.datetime.now(), '%Y%m%d')
@@ -39,6 +41,7 @@ def main():
     db_obj = DbAction(get_end_date)
     req_obj = ReqAction()
     try:
+        # 处理正常任务
         data_list = db_obj.get_db_data()
         failed_list = []
         req_obj.prepare()
@@ -48,6 +51,7 @@ def main():
                 failed_list.append(result)
             sleep(random.randint(0, 3) + random.random())
         i = 3
+        # 重试失败任务
         while len(failed_list) > 0 and i > 0:
             _temp_list = []
             for _data in failed_list:
@@ -57,9 +61,12 @@ def main():
                 sleep(random.randint(0, 3) + random.random())
             failed_list = _temp_list
             i -= 1
-
+        # 标记失败任务
         if len(failed_list):
-            failed_id = [_data['id'] for _data in failed_list]
+            failed_id = []
+            for _data in failed_list:
+                failed_id.append(_data['id'])
+                db_obj.mark_failed(_data['id'])
             print('重试后依然失败:')
             print(failed_id)
     except Exception as e:
diff --git a/req.py b/req.py
index 79bb679..b3d9be4 100644
--- a/req.py
+++ b/req.py
@@ -138,7 +138,7 @@ class ReqAction:
             return [shareid_list[0], user_id_list[0], fs_id_list]
 
     # 转存文件函数
-    @retry(stop_max_attempt_number=9, wait_fixed=random.randint(1000, 3000))
+    @retry(stop_max_attempt_number=3, wait_fixed=random.randint(1000, 3000))
     def transfer_files(self, verify_links_reason, target_directory_name):
         url = f'{BASE_URL}/share/transfer?shareid={verify_links_reason[0]}&from={verify_links_reason[1]}&bdstoken={self.bdstoken}&channel=chunlei&web=1&clienttype=0'
         post_data = {'fsidlist': f'[{",".join(i for i in verify_links_reason[2])}]',
@@ -147,8 +147,11 @@ class ReqAction:
                                      allow_redirects=False, verify=False)
         print('transfer_files')
         print(response.text)
-        file_name = response.json()['extra']['list'][0]['from']
-        return response.json()['errno'], file_name
+        result = response.json()['errno']
+        file_name = None
+        if result == 0:
+            file_name = response.json()['extra']['list'][0]['from']
+        return result, file_name
 
     def prepare(self):
         self.get_cookies()
@@ -167,7 +170,7 @@ class ReqAction:
         verified_links = self.verify_links(save_link, save_code)
         if isinstance(verified_links, list):
             result, name = self.transfer_files(verified_links, save_path)
-            if result == 0:
+            if result == 0 or result == 4:
                 return True, name
         return False, None