Error starting ApplicationContext. To display the conditions report re run your application with ‘debug’ enabled.
without much talking, go straight to the figure above (this may be the reason why the editor encountered the bug)

for details, see the description above: when mapper or service
solution:
(reason: your mapper is not scanned when springboot starts)
method 1: add your mapper package address in the core control class

(reason: it is not scanned to the service layer)
method 2: do not add service annotation

Can solve the above problems