1 +
1 +
1 +
2 . 2
2 . 3
3 . 30000
601 . 1
601 . 2
602 . 3
602 +
602 +
1202 . 2

Why the request 601.1 is fail and 601.2 is
successful,what's the difference?

Thank you!

10 min = 600 sec

601 . 1
last access to [1] was at 1sec ( 1 + )
601-1=600
answer -

601 . 2
last acces to [2] was at 2sec ( 2 . 2 )
601-2=599 < 600
answer +

Good luck!