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README.md

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 [![typescript](https://badges.aleen42.com/src/typescript.svg)](https://badges.aleen42.com/src/typescript.svg)
 [![downloads](https://img.shields.io/docker/pulls/milvusdb/milvus-insight)](https://img.shields.io/docker/pulls/milvusdb/milvus-insight)
+[![codecov](https://codecov.io/gh/zilliztech/milvus-insight/branch/main/graph/badge.svg?token=jvIEVF9IwW)](https://codecov.io/gh/zilliztech/milvus-insight)
 
 Milvus insight provides an intuitive and efficient GUI for Milvus, allowing you to interact with your databases and manage your data with just few clicks.