diff --git a/.gitignore b/.gitignore
index 676f524..e0069d7 100644
--- a/.gitignore
+++ b/.gitignore
@@ -2,4 +2,5 @@
 *.aux
 *.log
 *.pdf
-*.synctex.gz
\ No newline at end of file
+*.synctex.gz
+*.toc
\ No newline at end of file
diff --git a/perpare/README.md b/README.md
similarity index 100%
rename from perpare/README.md
rename to README.md
diff --git a/perpare/perpare.tex b/perpare/perpare.tex
index 0f7dbeb..4e23d3b 100644
--- a/perpare/perpare.tex
+++ b/perpare/perpare.tex
@@ -1,14 +1,6 @@
 \documentclass[UTF8]{ctexart}
-%文档类型
-%导言区开始
-% 如果使用article文档类型可以引入宏包
-% \usepackage{fontspec}
-% %fontspec是一个基于XeLaTeX和LuaLaTeX的宏包，用于修改字体，不要用PdfLaTeX编译
-% %使用setmainfont的方法只能改变文章正文字体（包括标题、表格等），而不会修改数学公式的字体
-% \setmainfont[Mapping=tex-text]{KaiTi}
 \author{Didnelpsun}
 \title{考研数学准备}
-%导言区结束
 \begin{document}
 \maketitle
 \tableofcontents