How to set the Xiaomi router to disconnect the network regularly?

How to set Xiaomi router to disconnect the network regularly? On the installation of Xiaomi router APP downloaded by mobile phone, open the software after the installation, find the "toolbox" in the lower right corner, click to enter the back hole health mode, add the timing, click "Repeat" to set the opening period and closing period, and finally click on the upper right corner to confirm.