2. Use xlabel('number',' fontsize', 20) and other commands; Fontsize is a description of text size and font color settings. xlabel('number '，' fontsize '，20，' color '，' r ')； The font color is red.

3. You can continue to add Y-axis information and drawing name: YLabel ('hh',' fontsize', 30,' color',' g'); Title ('This is an example',' fontsize', 40); .

4. You can also use the tools in the figure to add the above contents: There is an edit button under the "Insert" drop-down menu.

5. We modified the name of the Y axis according to the above method.

6. If you want to modify these contents on the map, you can click the red area button below to edit. The editing method is left-click to select the content to be edited, and then you will be prompted to edit the window.