zhengxianjun

> ``` > from langchain_community.vectorstores import FAISS > from langchain_community.vectorstores import Chroma > from langchain.text_splitter import CharacterTextSplitter > from langchain_community.embeddings import OpenAIEmbeddings > from langchain_community.embeddings import HuggingFaceBgeEmbeddings > from langchain.chains...