Update README.md

README.md

@@ -6,6 +6,7 @@ language:
 - zh
 ---
 # INF-Retriever-v1
+## Model Overview
 - **INF-Retriever-v1** is an LLM-based dense retrieval model developed by [INF TECH](https://www.infly.cn/en). 
 It is built upon the [gte-Qwen2-7B-instruct](https://huggingface.co/Alibaba-NLP/gte-Qwen2-7B-instruct) model and specifically fine-tuned to excel in retrieval tasks, particularly for Chinese and English data.