求问在附录引用文献无效怎么办?

[muqiuxishui]

运行thuthesis-example, 附录下的参考文献总是显示[?]
日志显示错误:
appendix.tex: 警告: 57: Citation `dupont1974bone' on page 13 undefined
appendix.tex: 警告: : No file thuthesis-example-appendix-a.bbl.
thuthesis-example.tex: 警告: : There were undefined citations.

[zepinglee]

按照文档编译的吗？