fix: 修复登录500错误和移除明文密码提示

- 修复 deps.py 中 get_vn_service 的引用错误 (vn_service.vn_service -> vn_service)
- 移除登录页面上的明文密码提示
- 改进前端错误处理，避免数据加载失败导致登录显示错误

docker/Dockerfile.nas

@@ -0,0 +1,35 @@
+# Sanguo VeighNa 应用镜像
+# 基于基础镜像，只包含应用代码
+FROM sanguo_vnpy:base
+
+LABEL maintainer="sanguo"
+LABEL description="Sanguo VeighNa Application Layer"
+
+# 设置工作目录
+WORKDIR /app
+
+# 复制应用代码
+COPY sanguo_trader/ ./sanguo_trader/
+COPY sanguo_research/ ./sanguo_research/
+COPY sanguo_data/ ./sanguo_data/
+COPY sanguo_common/ ./sanguo_common/
+COPY sanguo_web/ ./sanguo_web/
+COPY vnpy_v4.4.0/vnpy/ ./vnpy/
+COPY config/ ./config/
+
+# 复制启动脚本
+COPY docker/entrypoint.sh .
+RUN chmod +x entrypoint.sh
+
+# 创建数据目录
+RUN mkdir -p /app/data /app/logs
+
+# 暴露端口
+EXPOSE 8000 8080
+
+# 健康检查
+HEALTHCHECK --interval=30s --timeout=10s --start-period=5s --retries=3 \
+    CMD curl -f http://localhost:8000/health || exit 1
+
+# 启动
+ENTRYPOINT ["./entrypoint.sh"]