A key improvement of the brand new ranking mechanism is to replicate a more correct choice pertinent to reputation, pricing policy and slot impact based on exponential decay model for online customers. This paper research how the net music distributor ought to set its ranking coverage to maximise the worth of online music ranking service. However, previous approaches often ignore constraints between slot value representation and associated slot description illustration in the latent area and lack sufficient mannequin robustness. Extensive experiments and analyses on the lightweight fashions show that our proposed strategies achieve significantly larger scores and considerably improve the robustness of each intent detection and slot filling. Unlike typical dialog models that rely on enormous, advanced neural network architectures and huge-scale pre-skilled Transformers to attain state-of-the-art outcomes, our methodology achieves comparable outcomes to BERT and even outperforms its smaller variant DistilBERT on conversational slot extraction tasks. Still, even a slight improvement may be price the cost.