The above code has been fixed, my English is not well expressed, using Google Translate, this is also a big obstacle for me to learn programming, and Google search engine is not available in China. 
Currently, after adding an AutoText, it will open. I want to add a checkbox to the dialog that will be open when it is selected. This will be more convenient

Currently, after adding an AutoText, it will open. I want to add a checkbox to the dialog that will be open when it is selected. This will be more convenient