The speed/2020 version has been optimized and upgraded on the production side to prevent running boards

Upgrade steps

Dial the national unified service hotline of Haixun Software: 400-666-2988, press 2 to transfer after-sales service. (You can also directly contact your after-sales teacher through QQ/WeChat/phone or contact the after-sales teacher in the Haixun after-sales service group)

Inform the after-sales teacher of the current software version number.

The after-sales teacher will send you a new version of the installation package and assist you in completing the installation settings.