How to restore oppo desktop weather plug-in?

Take OPPO R9 mobile phone as an example, the specific method is as follows:

First, open the OPPO R9 mobile phone, slide two fingers to the middle at the same time in the blank space of the mobile phone desktop to bring up the desktop editing menu, and then select the "Desktop Plug-in" option to enter.

Second, after entering, find the item "China Calendar" and click Enter.

Third, select specifications after entering.

Fourth, then choose a location on the desktop.

After you put it on the desktop, you can see the weather forecast on the desktop.