diff --git a/language_learning/2019.12.04_latex_example/basic_structure.tex b/language_learning/2019.12.04_latex_example/basic_structure.tex
index ddf11ad..ab06ec9 100755
--- a/language_learning/2019.12.04_latex_example/basic_structure.tex
+++ b/language_learning/2019.12.04_latex_example/basic_structure.tex
@@ -3,4 +3,3 @@
 \begin{document}  %正文开始
 	Hello, world!     %正文
 \end{document}    %正文结束
-\end{document}
\ No newline at end of file