How to add and delete desktop plug-ins for OPPO mobile phones?

Here, taking OPPO R9S mobile phone as an example, the methods of adding and deleting desktop plug-ins are as follows:

First, slide in the blank space of the mobile phone desktop in both directions to bring up the editing interface of the mobile phone desktop.

Second, select the Desktop Plug-in option.

Third, after entering the desktop plug-in, select the plug-in to be set. Take "Clock" as an example, and click Enter.

Fourth, then choose the location where the clock plug-in is placed on the desktop.

5. To delete the desktop plug-in, press and hold the plug-in icon, and then click the "X" symbol in the upper left corner of the icon.