Update integrated version

.gitignore

-*.aux
-*.bbl
-*.bcf
-*.blg
-*.fdb_latexmk
-*.fls
-*.log
-*.out
-*.run.xml
-*.synctex.gz
-*.toc
-*.xdv
-.DS_Store

main.tex

@@ -154,7 +154,7 @@
 \newcommand{\coursename}{高级机器学习}
 \newcommand{\semester}{2026}
 \newcommand{\teacher}{授课教师}
-\newcommand{\school}{学校 / 机构名称}
+\newcommand{\school}{东北大学}
 \newcommand{\lessondate}{\today}
 \newcommand{\blankline}{\par\noindent\rule{\linewidth}{0.4pt}\par}
 \newcommand{\keyword}[1]{\textbf{\color{CourseBlue}#1}}
@@ -237,8 +237,8 @@
   \vspace{1.2cm}
   \vfill
   \begin{tabular}{rl}
-    \textbf{教师：} & \teacher \\
-    \textbf{学期：} & \semester \\
+    % \textbf{教师：} & \teacher \\
+    % \textbf{学期：} & \semester \\
     \textbf{单位：} & \school \\
     \textbf{日期：} & \lessondate \\
   \end{tabular}