nonfrenchspacing 错误缺少包？

Question

我的 tex 文件工作正常，只要我不把我的参考书目放进去，在这种情况下我会得到错误

(microtype) \nonfrenchspacing is active. Adjustment of
(microtype) interword spacing will disable it. You might want
(microtype) to add \microtypecontext{spacing=nonfrench}
(microtype) to your preamble.

我是不是缺少了什么包裹？