# 中文文档

- [文档说明](/pri-openapi/zhong-wen-wen-dang/wen-dang-shuo-ming.md)
- [返回码类型](/pri-openapi/zhong-wen-wen-dang/fan-hui-ma-lei-xing.md): 异常码和错误码的描述和原因
- [枚举类型](/pri-openapi/zhong-wen-wen-dang/mei-ju-lei-xing.md)
- [现货交易](/pri-openapi/zhong-wen-wen-dang/xian-huo-jiao-yi.md)
- [合约交易](/pri-openapi/zhong-wen-wen-dang/he-yue-jiao-yi.md)
- [Websocket推送](/pri-openapi/zhong-wen-wen-dang/websocket-tui-song.md)
- [SDK开发库](/pri-openapi/zhong-wen-wen-dang/sdk-kai-fa-ku.md)
- [常见问题](/pri-openapi/zhong-wen-wen-dang/chang-jian-wen-ti.md)