diff --git a/templates/.gitignore b/templates/.gitignore
new file mode 100644
index 0000000..8dfe3e9
--- /dev/null
+++ b/templates/.gitignore
@@ -0,0 +1,8 @@
+*.aux
+*.bbl
+*.blg
+*.fdb_latexmk
+*.fls
+*.log
+ref.bib
+*.pdf
diff --git a/templates/article/.gitignore b/templates/article/.gitignore
deleted file mode 100644
index 2317015..0000000
--- a/templates/article/.gitignore
+++ /dev/null
@@ -1,2 +0,0 @@
-*.bib
-*.pdf
diff --git a/templates/article/template.tex b/templates/article/template.tex
index bf21c23..b7bcc1b 100644
--- a/templates/article/template.tex
+++ b/templates/article/template.tex
@@ -372,19 +372,24 @@
 
 \maketitle
 
-%\begin{abstract}
-%\end{abstract}
+\begin{abstract}
+    This is an abstract.
+\end{abstract}
 
-%\textbf{Keywords}: Keyword1, Keyword2
+\textbf{Keywords}: Keyword1, Keyword2
 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
 
+
+\section{Introduction}
+
 This is an article template for the team of Zaikun Zhang.
 
+\section{Citation}
 I am citing~\cite{Zhang_2014} as an example.
 
 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
 %% References
-% Include references only if there are citations.
+% The following command will include references only if there are citations.
 \ifnum\value{cite}>0
     \small
     \bibliography{\bibfile}