13.0. 1.300 and above:
Method 1: Search the service name in the search box on the home page of the negative screen, enter the service number and click attention to add a service card (only some services have the button to add a service card).
13.0. 1.300 the following versions:
Click the plus sign in the upper right corner of the negative screen home page to enter the service market page, search for the service name under the recommendation column or choose to add/pay attention to the favorite service.