diff --git a/.gitignore b/.gitignore
index 156f4ae..6b05f45 100644
--- a/.gitignore
+++ b/.gitignore
@@ -36,3 +36,5 @@
 .DS_Store
 /local_fonts
 /times_new_roman
+*.fls
+*.synctex(busy)
\ No newline at end of file
diff --git a/buaathesis.cls b/buaathesis.cls
index 3e3bdba..415747f 100644
--- a/buaathesis.cls
+++ b/buaathesis.cls
@@ -894,11 +894,11 @@ The LaTeX template for thesis of BUAA]
     \ifbuaa@bachelor
         \begin{center}
             \begin{minipage}[h]{.75\textwidth}
-                \centering{\zihao{3}\heiti\buaa@thesistitle}
+                \centering{\zihao{-3}\heiti\buaa@thesistitle}
             \end{minipage}
             \begin{minipage}[h]{.8\textwidth}
                 \begin{flushright}
-                    {\zihao{3}\heiti\buaa@thesissubtitle}
+                    {\zihao{-3}\heiti\buaa@thesissubtitle}
                 \end{flushright}
                 % subtitle should be flush right?
             \end{minipage}
@@ -933,7 +933,7 @@ The LaTeX template for thesis of BUAA]
     \ifbuaa@bachelor
         \noindent
     \fi
-    {\heiti\zihao{-4} 关键词：}\heiti\buaa@ckeyword
+    {\heiti\zihao{4} 关键词：}\songti\zihao{-4}\buaa@ckeyword
 }
 
 % 英文摘要
@@ -947,7 +947,7 @@ The LaTeX template for thesis of BUAA]
             \end{minipage}
             \begin{minipage}[h]{.8\textwidth}
                 \begin{flushright}
-                    {\zihao{3}\heiti\buaa@thesissubtitleeng}
+                    {\zihao{-3}\heiti\buaa@thesissubtitleeng}
                 \end{flushright}
             % subtitle should be flushright?
             \end{minipage}
@@ -981,7 +981,7 @@ The LaTeX template for thesis of BUAA]
     \ifbuaa@bachelor
         \noindent
     \fi
-    {\bf\zihao{-4} Key words: }\buaa@ekeyword
+    {\bf\zihao{4} Key words: }\zihao{-4}\buaa@ekeyword
 }
 
 %%%%%%%%%% announce %%%%%%%%%%
diff --git a/sample-bachelor.tex b/sample-bachelor.tex
index 5eba258..3fe25b6 100644
--- a/sample-bachelor.tex
+++ b/sample-bachelor.tex
@@ -2,7 +2,7 @@
 \documentclass[bachelor,openany,oneside,color,AutoFakeBold=true]{buaathesis}
 
 % 参考文献
-\usepackage{gbt7714}
+\bibliographystyle{gbt7714-numerical}
 % 参考文献输出方式，numerical为按照出现顺序，authoryear为按照作者姓名和年份
 \citestyle{numerical}
 % \citestyle{authoryear}