Grafana Generated SQL show the wrong timeFilter

situation:mac、chrome 106.0.5249.119 (x86_64)、grafana 8.5.3

this panel use Graph visualization,clickhouse datasourse.

the default time range is last 2days,but when i click the Generated SQL.

it’s show a wrong time range .

for this case: the minimum date should be 2022-10-29 , but Generated SQL select the
date >= toDate(1647143064) , means that date >= 2022-03-13。

i want to know why does it happen? what can i do for this question?