A key improvement of the brand new ranking mechanism is to mirror a extra correct desire pertinent to reputation, pricing coverage and slot impact primarily based on exponential decay mannequin for online customers. This paper studies how the online music distributor should set its rating coverage to maximise the value of online music rating service. However, previous approaches often ignore constraints between slot worth illustration and related slot description illustration within the latent house and lack sufficient model robustness. Extensive experiments and analyses on the lightweight models show that our proposed methods obtain considerably increased scores and substantially enhance the robustness of both intent detection and slot filling. Unlike typical dialog models that depend on large, complicated neural network architectures and enormous-scale pre-skilled Transformers to attain state-of-the-art outcomes, our method achieves comparable outcomes to BERT and even outperforms its smaller variant DistilBERT on conversational slot extraction tasks. Still, even a slight improvement is likely to be value the price.