報錯：
LaTeX Warning: There were multiply-defined labels.
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Here is how much of TeX's memory you used:
7938 strings out of 495354
110227 string characters out of 3183355
238798 words of memory out of 3000000
10803 multiletter control sequences out of 15000+200000
49091 words of font info for 116 fonts, out of 3000000 for 9000
14 hyphenation exceptions out of 8191
34i,15n,35p,1709b,500s stack positions out of 5000i,500n,10000p,200000b,50000s
。。。
PDF statistics:
528 PDF objects out of 1000 (max. 8388607)
115 named destinations out of 1000 (max. 500000)
234 words of extra memory for PDF output out of 10000 (max. 10000000)
解決方法：
我用的是CTex，換成Tex Live，我的問題就解決了！
我這邊是軟件的問題。