This paper presents a hybrid model combining Transformer and CNN to predict current waveforms in signal lines.The model does not rely on fixed simplified models and replaces the complex process used in traditional SPICE simulations.The hybrid architecture combines the global feature-capturing ability of Transformers with the local feature extraction advantages of CNNs.Experimental results demonstrate that the proposed algorithm achieves an error of only 0.0098, improving the accuracy of current waveform predictions.