FIX: 更新说明文档
FIX: 更新说明文档

1f9763/duoshuo-python-sdk,1f9763/duoshuo-python-sdk,irwinlove/duoshuo-python-sdk,njuaplusplus/duoshuo-python-sdk,irwinlove/duoshuo-python-sdk,duoshuo/duoshuo-python-sdk,njuaplusplus/duoshuo-python-sdk