> =E2=97=86 From: 118.167.193.123 You need to understand the difference between =E5=BF=AB=E9=80=9F=E7=B7=A8= =E8=AD=AF and Latex compling. LaTeX is a science, not a guessing game. With minimal info, everyone has to= guess and that won't help anyone at all. If the problem persists, please g= enerate a "minimal" program that can re-generate your problem.=20 ----- \documentclass[options]{class you used} your packages here \begin{document} your code here that will generate your problem. it is an PARTIAL extraction of your file that causes the problem. \end{document} This is known to be a MWE (Minimal Working Example).=20 If such file is posted, I believe many people would like to help out. LaTeX is a Science, NOT a word processor. There is always a reason(s) to pl= ain the abnormalities.