diff --git a/coverinfo.sty b/coverinfo.sty
index 91cfd907b190db11dfcd2e49ea590a3533d610a3..fc2f2861b082def2cb73b14e3a4671a4439f1e23 100644
--- a/coverinfo.sty
+++ b/coverinfo.sty
@@ -1,9 +1,9 @@
 % \ProvidesExplPackage{coverinfo}{2021-9-4}{0.1}{Some things I wrote}
 
-\tl_const:Nn \TitleOne {鏇茬巼寮曟搸鐨勭爺绌秨% 绗竴琛屾爣棰�
-\tl_const:Nn \TitleTwo {}% 绗簩琛屾爣棰�
-\tl_const:Nn \TitleThree {}% 绗笁琛屾爣棰�
-\tl_const:Nn \Title {\TitleOne\TitleTwo\TitleThree}
+\tl_const:Nn \TitleA {鏇茬巼寮曟搸鐨勭爺绌秨% 绗竴琛屾爣棰�
+\tl_const:Nn \TitleB {}% 绗簩琛屾爣棰�
+\tl_const:Nn \TitleC {}% 绗笁琛屾爣棰�
+\tl_const:Nn \Title {\TitleA\TitleB\TitleC}
 \tl_const:Nn \Title_EN {Curvature~engine~research}
 \tl_const:Nn \Grade {2017}
 \tl_const:Nn \StudentID {17184xxx}
diff --git a/profile/cover.sty b/profile/cover.sty
index d8179e3d4bf194a86a0e9db3100c4860b8d4da34..aa66f37c16dea2ab1c70fec5826daf099d0928d4 100644
--- a/profile/cover.sty
+++ b/profile/cover.sty
@@ -20,18 +20,18 @@
     & \cover_underline:nn {250pt}{\songti\Major}\\
 
     \coverbox:n {棰樼洰}
-    & \cover_underline:nn {250pt}{\textbf{\songti\TitleOne}} \\
+    & \cover_underline:nn {250pt}{\textbf{\songti\TitleA}} \\
 
     \int_compare:nNnTF { \TitleLength } = { 2 }  { 
       \coverbox:n {}
-      & \cover_underline:nn {250pt}{\textbf{\songti\TitleTwo}} \\
+      & \cover_underline:nn {250pt}{\textbf{\songti\TitleB}} \\
     }{}
     
     \int_compare:nNnTF { \TitleLength } = { 3 }  { 
       \coverbox:n {}
-      & \cover_underline:nn {250pt}{\textbf{\songti\TitleTwo}} \\
+      & \cover_underline:nn {250pt}{\textbf{\songti\TitleB}} \\
       \coverbox:n {}
-      & \cover_underline:nn {250pt}{\textbf{\songti\TitleThree}} \\
+      & \cover_underline:nn {250pt}{\textbf{\songti\TitleC}} \\
     }{}
   \end{tabular} \\