Knowledge base retrieval and query
(1) Open the main screen of the page and enter the keywords you want to search for in the search bar.
For example:
(2) Click on the title of the article to enter the knowledge base.
(3) Bottom question reviews can choose "Yes" or "No"
Click "Yes" to show the following interface.
Click "No" to show the following interface:
Clicking "Back to previous page" will go back to the search screen and continue the search.