MOD:max_conn_age,remove queue empty log

@@ -1646,7 +1646,7 @@ class Command(BaseCommand, LoggerMixin):
             try:
                 channel, img_path, text_list = img_queue.get(block=False)
             except Exception as e:
-                self.online_log.info('{0} [img_2_ocr_1] [queue empty]'.format(self.log_base))
+                # self.online_log.info('{0} [img_2_ocr_1] [queue empty]'.format(self.log_base))
                 time.sleep(self.sleep_time_img_get)
                 continue
             else:

@@ -102,7 +102,7 @@ for db_setting in DATABASES.values():
         'driver': 'ODBC Driver 17 for SQL Server',
         'extra_params': "odbc_cursortype=2"
     }
-    db_setting['CONN_MAX_AGE'] = 60
+    db_setting['CONN_MAX_AGE'] = 0
 # set this to False if you want to turn off pyodbc's connection pooling
 DATABASE_CONNECTION_POOLING = True