Issue getting the records which meet the condition

Hi there,

could anyone let me know what's the problem here,

in the following expression rule, if the condition is meeting, it will return the records which meet the condition, if there are no records meet the condition, I just want to return 0 item, but here it returns 2 "0 items". replacing "{}" with null does not work either. what I should do?

regards

Lin

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