Update Dockerfile

Dockerfile

@@ -14,7 +14,7 @@ RUN pip install --no-cache-dir --upgrade pip setuptools wheel \
 COPY . /app
 
 # ========= 暴露 Streamlit 端口 =========
-EXPOSE 7860
+EXPOSE 8501
 
 # ========= 启动命令 =========
-CMD ["streamlit", "run", "app.py", "--server.port=7860", "--server.address=0.0.0.0"]
+CMD ["streamlit", "run", "app.py", "--server.port=8501", "--server.address=0.0.0.0"]