报错：\XDUfrontmatter未定义，CJK字体相关错误。

[RenShijie]

具体错误如下： Undefined control sequence. \XDUfrontmatter Undefined control sequence. \XDUfrontmatter Undefined control sequence. \XDUfrontmatter Undefined control sequence. \XDUfrontmatter Undefined control sequence. \XDUfrontmatter Undefined control sequence. \XDUfrontmatter Undefined control sequence. \XDUfrontmatter Undefined control sequence. \XDUfrontmatter Undefined control sequence. \XDUfrontmatter Undefined control sequence. \XDUfrontmatter Undefined control sequence. \XDUfrontmatter Undefined control sequence. \XDUfrontmatter Undefined control sequence. \XDUfrontmatter Undefined CJK default family \CJKrmdefault' has been(xeCJK) replaced bysong'. Font shape U/rsfs/m/n' in size <10.53937> not available(Font) size <10.95> substituted Font shapeOMS/rsfs/m/n' in size <10.53937> not available(Font) size <10.95> substituted Underfull \hbox (badness 10000) in paragraph Underfull \hbox (badness 10000) in paragraph Underfull \hbox (badness 10000) in paragraph Underfull \hbox (badness 10000) in paragraph Overfull \hbox (56.79721pt too wide) in paragraph Overfull \hbox (56.79721pt too wide) in paragraph Overfull \hbox (56.79721pt too wide) in paragraph Overfull \hbox (56.79721pt too wide) in paragraph Overfull \hbox (56.79721pt too wide) in paragraph Overfull \hbox (56.79721pt too wide) in paragraph Overfull \hbox (56.79721pt too wide) in paragraph Overfull \hbox (56.79721pt too wide) in paragraph Overfull \hbox (56.79721pt too wide) in paragraph Overfull \hbox (56.79721pt too wide) in paragraph Overfull \hbox (56.79721pt too wide) in paragraph Overfull \hbox (56.79721pt too wide) in paragraph Overfull \hbox (56.79721pt too wide) in paragraph Overfull \hbox (56.79721pt too wide) in paragraph Overfull \hbox (56.79721pt too wide) in paragraph Overfull \hbox (56.79721pt too wide) in paragraph Overfull \hbox (56.79721pt too wide) in paragraph Overfull \hbox (56.79721pt too wide) in paragraph Overfull \hbox (56.79721pt too wide) in paragraph Overfull \hbox (56.79721pt too wide) in paragraph Overfull \hbox (56.79721pt too wide) in paragraph Overfull \hbox (56.79721pt too wide) in paragraph Overfull \hbox (56.79721pt too wide) in paragraph Underfull \vbox (badness 10000) has occurred while \output is active [] Underfull \vbox (badness 10000) has occurred while \output is active [] Underfull \vbox (badness 10000) has occurred while \output is active [] Underfull \vbox (badness 10000) has occurred while \output is active [] Underfull \hbox (badness 10000) in paragraph Underfull \hbox (badness 10000) in paragraph Underfull \vbox (badness 2626) has occurred while \output is active [] Size substitutions with differences(Font) up to 0.41063pt have occurred. Label(s) may have changed. Rerun to get cross-references right. 使用环境：TeXLive 2021 + TeXstudio 3.1.2 (Win10系统) 老师，这个问题出在哪呢？

[RenShijie]

是因为logo图片的问题吗？TeXLive 2019可以编译通过，但是出来的PDF封面没有LOGO