If you don't want to see these logos, you can set them by the following steps:
Open the Xiaomi mobile phone note application.
Enter the post-it note editing interface and click the "More" icon in the upper right corner.
Select the "Settings" option in the pop-up menu.
After entering the setting interface, find the "Input Method" option and click Enter.
In the Input Method Settings interface, find the "Input Method Style" option and click Enter.
In the input method style interface, find the "input method logo" option and close it.
After this setting, there will be no small circles and horizontal lines when inputting text.