Solution: 1 Remove or uninstall the original software, and then reinstall it.

2. Check whether the network is available.

3, update the original software, may be to upgrade.

The nail safety education platform is a safety education section specially launched by the nail official, and various safety education courses can be seen on the nail safety education platform.

Nail safety education platform function:

1, which provides data query, notification and emergency warning information for education departments and schools.

2. Rich anti-drug safety learning and education resources, and watch anti-drug education videos online.

Highlights of nail safety education platform:

1, there are many rich course learning functions and service sections here! They are all comprehensive.

2. If learning is boring, you can choose some tasks to complete.