Update Dockerfile

Dockerfile

@@ -3,7 +3,10 @@ FROM python:3.9-slim
 WORKDIR /app
 COPY . .
 
-RUN pip install --no-cache-dir -r requirements.txt
+# 先安装依赖确保版本正确
+RUN pip install --no-cache-dir -r requirements.txt \
+    && pip install "sentence-transformers" \
+    && pip install "torch" --extra-index-url https://download.pytorch.org/whl/cpu
 
 EXPOSE 5000
 CMD ["python", "app.py"]