Dashboard not have selection in dropdown filter

[summer02905]

I use table join other table,but when i use filter,sometimes dropdown filter
can't use select,need to input text.
what is reason cause it?~
in gif, "site" and "bu" is join key,and their data is same

[flamber]

Hi @summer02905
Have a look here: https://www.metabase.com/docs/latest/troubleshooting-guide/filters#are-you-seeing-a-different-kind-of-input-widget-than-you-expected