diff --git a/docs/L2/huixiangdou/readme.md b/docs/L2/huixiangdou/readme.md
index aa9ff5114..c5d67cc3e 100644
--- a/docs/L2/huixiangdou/readme.md
+++ b/docs/L2/huixiangdou/readme.md
@@ -255,7 +255,7 @@ conda activate huixiangdou
 apt update
 apt install python-dev libxml2-dev libxslt1-dev antiword unrtf poppler-utils pstotext tesseract-ocr flac ffmpeg lame libmad0 libsox-fmt-mp3 sox libjpeg-dev swig libpulse-dev
 # python requirements
-pip install BCEmbedding==0.15 cmake==3.30.2 lit==18.1.8 sentencepiece==0.2.0 protobuf==5.27.3 accelerate==0.33.0
+pip install BCEmbedding==0.1.5 cmake==3.30.2 lit==18.1.8 sentencepiece==0.2.0 protobuf==5.27.3 accelerate==0.33.0
 pip install -r requirements.txt
 # python3.8 安装 faiss-gpu 而不是 faiss
 ```