"100 Days Record and Change" is popular on the Internet. Many netizens try to get a more self-disciplined self through 100 days of training.

Some netizens simply want to "light up the mood", insist on checking in in the topic area, record their small mood every day. With three 100 days a year, can you get three opportunities to change yourself? Yangtze Evening News/Purple Cow News reporter Kong Xiaoping looks at how netizens change themselves.