Next step is 1. statistic of insert records(num. of success insert records and num. of failure insert); 2. try produce the log part of class DB, main and etc into one log.
Next step is
1. statistic of insert records(num. of success insert records and num. of failure insert);
2. try produce the log part of class DB, main and etc into one log.

ysh329/stock-newspaper-crawler