已经反馈过了item数据，但是推荐的时候还是会获取到。

[night-breeze888]

[recommend.replacement]

Replace historical items back to recommendations. The default value is false.

enable_replacement = false

Decay the weights of replaced items from positive feedbacks. The default value is 0.8.

positive_replacement_decay = 0.01

Decay the weights of replaced items from read feedbacks. The default value is 0.6.

read_replacement_decay = 0.01