How to turn off the background operation of vivo y67?

First turn on the VIVO Y67 phone, and then slide it up at the bottom of the phone desktop, as shown in the figure below.

Second, after calling up the shortcut menu bar of the mobile phone, you can view the applications running in the background of the mobile phone, and then find the applications running in the background. Here, take Alipay as an example.

Third, press and hold the Alipay icon, and then drag it out of the shortcut menu bar to close Alipay, as shown in the figure below.