With the rapid development of multimodal large language models (MLLMs), the demand for structured event extraction (EE) in the field of scientific and technological intelligence is increasing. However, significant challenges remain in zero-shot multimodal and cross-language scenarios, including inconsistent cross-language outputs and the high computational cost of full-parameter fine-tuning. This study takes VideoLLaMA2 (VL2) and its improved version VL2.1 as the core models, and builds a multimodal annotated dataset covering English, Chinese, Spanish, and Russian (including 5,728 EE samples). It systematically evaluates the performance differences of zero-shot learning, and parameter-effici... More >