diff --git a/README.md b/README.md
index 9236a54..6177a4b 100644
--- a/README.md
+++ b/README.md
@@ -105,11 +105,13 @@ or
 <!-- ## Usage -->
 
 ## DEMO
-The gifs bellow display step by step to use this project in Overleaf
+- The gifs bellow display step by step to use this project in Overleaf
 <!-- ### Overleaf -->
 
 ![overleaf-demo](imgs/demo/OverLeaf-Demo.gif)
 
+- To change your name and your thesis title. Change the information in `thesis.tex` (from line 35 to line 50). 
+- To add more references, after adding file to the references folder, add more line in `thesis.tex` 's config reference session (from line 25 to line 27). 
 <!-- CONTRIBUTING -->
 ## Contributing
 
diff --git a/references.bib b/references/chapter-1.bib
similarity index 100%
rename from references.bib
rename to references/chapter-1.bib
diff --git a/references/chapter-2.bib b/references/chapter-2.bib
new file mode 100644
index 0000000..3097c8c
--- /dev/null
+++ b/references/chapter-2.bib
@@ -0,0 +1,7 @@
+@inproceedings{yuan2005attributed,
+  title={Attributed based access control (ABAC) for web services},
+  author={Yuan, Eric and Tong, Jin},
+  booktitle={IEEE International Conference on Web Services (ICWS'05)},
+  year={2005},
+  organization={IEEE}
+}
\ No newline at end of file
diff --git a/thesis.cls b/thesis.cls
index b8ab7ca..a5d2fa0 100644
--- a/thesis.cls
+++ b/thesis.cls
@@ -21,7 +21,7 @@
 \newcommand{\uniname}[1]{\renewcommand{\@uniname}{#1}}
 \newcommand{\@deptname}{}
 \newcommand{\deptname}[1]{\renewcommand{\@deptname}{#1}}
-\newcommand{\@reporttype}{KHÓA LUẬN TỐT NGHIỆP}
+\newcommand{\@reporttype}{}
 \newcommand{\reporttype}[1]{\renewcommand{\@reporttype}{#1}}
 \newcommand{\@stumajor}{}
 \newcommand{\stumajor}[1]{\renewcommand{\@stumajor}{#1}}
@@ -36,13 +36,13 @@
 \newcommand{\supervisorname}[1]{\renewcommand{\@supervisorname}{#1}}
 \newcommand{\@secretary}{Secretary}
 \newcommand{\secretary}[1]{\renewcommand{\@secretary}{#1}}
-\newcommand{\@instruction}{GIẢNG VIÊN HƯỚNG DẪN}
+\newcommand{\@instruction}{}
 \newcommand{\instruction}[1]{\renewcommand{\@instruction}{#1}}
 \newcommand{\@stuname}{}
 \newcommand{\stuname}[1]{\renewcommand{\@stuname}{#1}}
 \newcommand{\@stunamewithid}{}
 \newcommand{\stunamewithid}[1]{\renewcommand{\@stunamewithid}{#1}}
-\newcommand{\@reportplace}{TP. HỒ CHÍ MINH}
+\newcommand{\@reportplace}{}
 \newcommand{\reportplace}[1]{\renewcommand{\@reportplace}{#1}}
 \newcommand{\@reporttime}{}
 \newcommand{\reporttime}[1]{\renewcommand{\@reporttime}{#1}}
diff --git a/thesis.pdf b/thesis.pdf
index 49367bc..5b97dff 100644
Binary files a/thesis.pdf and b/thesis.pdf differ
diff --git a/thesis.tex b/thesis.tex
index e34b0ce..809e882 100644
--- a/thesis.tex
+++ b/thesis.tex
@@ -23,8 +23,8 @@
 \usepackage{makecell}
 
 % Config reference
-\addbibresource{references.bib}
-
+\addbibresource{references/chapter-1.bib}
+\addbibresource{references/chapter-2.bib}
 % Setup hype link in thesis
 \hypersetup{urlcolor=blue,linkcolor=black,citecolor=black,colorlinks=true} 
 \DeclarePairedDelimiter\bra{\langle}{\rvert}
@@ -33,6 +33,7 @@
 
 
 % Config information thesis
+% =========== Thay đổi thông tin tại phần này ===========
 \upperuniname{ĐẠI HỌC QUỐC GIA THÀNH PHỐ HỒ CHÍ MINH}
 \uniname{TRƯỜNG ĐẠI HỌC CÔNG NGHỆ THÔNG TIN}
 \deptname{KHOA MẠNG MÁY TÍNH VÀ TRUYỀN THÔNG}
@@ -44,6 +45,10 @@
 \stuname{NGUYỄN HỒNG SƠN \\NGUYỄN HẢI LONG}
 \stunamewithid{NGUYỄN HỒNG SƠN - 17520988\\NGUYỄN HẢI LONG - 17520712}
 \reporttime{NĂM 2021}
+\reporttype{KHÓA LUẬN TỐT NGHIỆP}
+\instruction{GIẢNG VIÊN HƯỚNG DẪN}
+\reportplace{TP. HỒ CHÍ MINH}
+% =========== Hết phần thay đổi thông tin ===========
 
 % Begin thesis
 \begin{document}