--- a/ChengsongPhdThesis/graphic.sty	Thu Mar 24 20:52:34 2022 +0000
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,12 +0,0 @@
-\usepackage{tikz}
-%\usepackage{pgf}
-%\usetikzlibrary{positioning}
-%\usetikzlibrary{calc}
-%\usetikzlibrary{automata}
-%\usetikzlibrary{arrows}
-%\usetikzlibrary{backgrounds}
-%\usetikzlibrary{fit}
-%\usepackage{tikz-qtree}
-\usepackage{pgfplots}
-
-%\pgfplotsset{compat=1.15}