The true best selling item should be rice, with a order of quantity of 10, but the system output fish.     May check the correctness of the bestselling function. <!--session: 1713514074117-808b1e52-3bcd-4df3-af56-4057105eb05b--> <!--Version: Desktop v3.5.3-->
The true best selling item should be rice, with a order of quantity of 10, but the system output fish.
May check the correctness of the bestselling function.