diff --git a/figure/njuname-large.jpg b/figure/njuname-large.jpg
deleted file mode 100644
index b69db069210b753e4d7783ea1f72ed6b533e3a07..0000000000000000000000000000000000000000
Binary files a/figure/njuname-large.jpg and /dev/null differ
diff --git a/figure/njuname-large.pdf b/figure/njuname-large.pdf
new file mode 100644
index 0000000000000000000000000000000000000000..f7e71662e55594aa7b2bb97f1782b5743154a728
Binary files /dev/null and b/figure/njuname-large.pdf differ
diff --git a/njuthesis.cls b/njuthesis.cls
index bc20cff1bbdf965d4356ec54111aeba3683b6658..a69e055972f2e5ecf92e60cb026961c423a6594d 100644
--- a/njuthesis.cls
+++ b/njuthesis.cls
@@ -1,5 +1,5 @@
 \NeedsTeXFormat{LaTeX2e}
-\ProvidesExplClass{njuthesis}{2021-09-11}{0.6.0}{NJU Thesis LaTeX Template}
+\ProvidesExplClass{njuthesis}{2021-09-12}{0.7.4}{NJU Thesis LaTeX Template}
 
 % 閫氳繃绫讳紶閫掑弬鏁�
 \RequirePackage{l3keys2e}
diff --git a/njuthesis.tex b/njuthesis.tex
index 2d5392bf2d1ea672e238a0205b50416c7b521650..c0d4ee7a2a7e0a2117c5159648df7dda6d17d12a 100755
--- a/njuthesis.tex
+++ b/njuthesis.tex
@@ -1,7 +1,7 @@
 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
 % NJU Thesis
 % 鍗椾含澶у姣曚笟璁烘枃LaTeX妯℃澘
-% Version 0.7.3 (2021-09-12)
+% Version 0.7.4 (2021-09-12)
 %
 % 璇峰叧娉ㄩ」鐩湴鍧€浠ヨ幏鍙栨渶鏂板彉鍖�
 % https://github.com/nju-lug/NJUThesis
diff --git a/profile/cover.sty b/profile/cover.sty
index ee1e19ae1bbc4bf6fef7d6cc7ad608e207a69a55..f122e4b55e96ce611ebcd8b3887d73ad9b733271 100644
--- a/profile/cover.sty
+++ b/profile/cover.sty
@@ -295,8 +295,8 @@
 % 鐮旂┒鐢熷皝闈�
 \tl_set:Nn \nju_printcover_g {
   % 鍗氬＋鐢熺粯鍒跺浗瀹跺浘涔﹂灏侀潰
-  \str_if_eq:eeTF {\nju_degree} { d } 
-  { \nju_printcoverinfo_nlc } {}
+  \str_if_eq:eeT {\nju_degree} { d } 
+  { \nju_printcoverinfo_nlc }
 
   % 缁樺埗鍗楀ぇ灏侀潰
   \thispagestyle{empty}
@@ -308,7 +308,7 @@
     \hspace{0pt} \vskip 5mm
     \includegraphics[height=1.9cm]{njulogo}
     \vskip 10mm 
-    \includegraphics[height=1.9cm]{njuname-large}
+    \includegraphics[height=2cm]{njuname-large}
     \vskip 15mm 
     {\zihao{1}\makebox[10em][s]{\bf{\kaishu\nju_type_name}}}
     \vskip 5mm