Could not be found plugin after add third party library

Hi.
I want to use MySQL in my project, so I create a plugin and add the MySQL library to it.
I can compile the plugin in the visual studio, but if I want to open the editor, it always says plugin could not be loaded.

Just like this:

220055-file.png

When I compile this plugin, I will not give an error, but there will be warning information.

Warning information: