update meta data

meta_data.py

@@ -16,6 +16,8 @@ LEADERBORAD_INTRODUCTION = """# OpenVLM Leaderboard
 ### Currently, OpenVLM Leaderboard covers {} different VLMs (including GPT-4v, Gemini, QwenVLPlus, LLaVA, etc.) and {} different multi-modal benchmarks. 
 
 This leaderboard was last updated: {}. 
+
+OpenVLM Leaderboard only includes open-source VLMs or API models that are publicly available. To add your own model to the leaderboard, please create a PR in [VLMEvalKit](https://github.com/open-compass/VLMEvalKit) to support your VLM and then we will help with the evaluation and updating the leaderboard. For any questions or concerns, please feel free to contact us at [opencompass,duanhaodong]@pjlab.org.cn.
 """
 # CONSTANTS-FIELDS
 META_FIELDS = ['Method', 'Parameters (B)', 'Language Model', 'Vision Model', 'OpenSource', 'Verified']