1. First, check whether the auto-increment primary key has no annotation?
(Added wow, no problem wow, why is it still so big)
2. Oh yes, see if the package guide is wrong
seems to be ok
Try adding a few more pieces of data, the id is getting bigger and bigger
It suddenly occurred to me that it might be the data added before, although it was deleted, but the logical data was deleted, and the physical data of the primary key value and index were not deleted, so the operation of truncating the table was performed:
Insert again
all right! ! !