Update Dockerfile

Dockerfile

@@ -5,7 +5,7 @@ USER user
 
 # 环境变量设置
 ENV RAG_EMBEDDING_MODEL="sentence-transformers/all-MiniLM-L6-v2" \
-    SENTENCE_TRANSFORMERS_HOME="/app/models" \
+    SENTENCE_TRANSFORMERS_HOME="/app/data/models" \
     RAG_EMBEDDING_MODEL_AUTO_UPDATE="true" \
     PATH="/home/user/.local/bin:$PATH" \
     DATA_DIR="/app/data" \
@@ -15,6 +15,7 @@ WORKDIR /app
 RUN mkdir -p $SENTENCE_TRANSFORMERS_HOME
 # 安装应用和依赖
 RUN pip install --no-cache-dir open-webui
+RUN pip install "huggingface_hub[hf_xet]"
 RUN python -c "from sentence_transformers import SentenceTransformer; SentenceTransformer('$RAG_EMBEDDING_MODEL')"
 # 添加数据同步脚本
 COPY --chown=user . /app