diff --git a/README.md b/README.md
index 8eee2716bd6a9aa4fedb853b5963890bc9681d08..08fdffbc5cb3008b8da4d5be46cfacad385b9d8e 100644
--- a/README.md
+++ b/README.md
@@ -47,7 +47,7 @@
鈹� page.sty
鈹� reference.sty
鈹�
- 鈹� coverinfo.sty
+ 鈹� coverinfo.tex
鈹� njuthesis.bib
鈹� njuthesis.cls
鈹� njuthesis.tex
diff --git a/coverinfo.sty b/coverinfo.sty
deleted file mode 100644
index d4c510da364fe5ead4835386823dd0226b7d6498..0000000000000000000000000000000000000000
--- a/coverinfo.sty
+++ /dev/null
@@ -1,19 +0,0 @@
-\ProvidesExplPackage{coverinfo}{2021-09-04}{0.1}{NJU Thesis Undergraduate cover information}
-
-\tl_const:Nn \TitleA {涓€绉嶄娇鐢ㄥ崡浜ぇ瀛hologo{LaTeX}妯＄増}% 绗竴琛屾爣棰�
-\tl_const:Nn \TitleB {缂栧啓鏈鐢熸瘯涓氳鏂囩殑缁忛獙鎬ф柟娉晑% 绗簩琛屾爣棰�
-\tl_const:Nn \TitleC {}% 绗笁琛屾爣棰�
-\tl_const:Nn \Title_EN {An~Empirical~Way~of~Composing~Undergraduate~Thesis~with~NJU~\hologo{LaTeX}~Template} % 娉ㄦ剰鑻辨枃鍚嶄腑绌烘牸蹇呴』鏇挎崲涓烘尝娴嚎
-\tl_const:Nn \Grade {2018}
-\tl_const:Nn \StudentID {181114514}
-\tl_const:Nn \StudentName {鍛ㄧ厹鍗巬
-\tl_const:Nn \StudentName_EN {Zhou~Yuhua}
-\tl_const:Nn \Department {鎷夊お璧瀛︿笌鎶€鏈闄
-\tl_const:Nn \Department_EN {School~of~\hologo{LaTeX}}
-\tl_const:Nn \Major {鎷夊お璧瑷€瀛
-\tl_const:Nn \Major_EN {\hologo{LaTeX}~Linguistics}
-\tl_const:Nn \Mentor {鏉庢垚娈縸
-\tl_const:Nn \Mentor_EN {Li~Chengdian}
-\tl_const:Nn \MentorTitle {鏁欐巿}
-\tl_const:Nn \MentorTitle_EN {Professor}
-\tl_const:Nn \SubmitDate {2021骞�8鏈�10鏃
diff --git a/coverinfo.tex b/coverinfo.tex
new file mode 100644
index 0000000000000000000000000000000000000000..70633247255e404e267bf81d88ef20d46c769cf7
--- /dev/null
+++ b/coverinfo.tex
@@ -0,0 +1,18 @@
+% 璁剧疆鐢ㄤ簬灏侀潰鐨勪釜浜轰俊鎭�
+\setTitleA{涓€绉嶄娇鐢ㄥ崡浜ぇ瀛hologo{LaTeX}妯＄増}%绗竴琛屾爣棰�
+\setTitleB{缂栧啓鏈鐢熸瘯涓氳鏂囩殑缁忛獙鎬ф柟娉晑%绗簩琛屾爣棰�
+\setTitleC{}%绗笁琛屾爣棰�
+\setTitleEN{An~Empirical~Way~of~Composing~Undergraduate~Thesis~with~NJU~\hologo{LaTeX}~Template}%娉ㄦ剰鑻辨枃鍚嶄腑绌烘牸蹇呴』鏇挎崲涓烘尝娴嚎
+\setGrade{2018}
+\setStudentID{181114514}
+\setStudentName{鍛ㄧ厹鍗巬
+\setStudentNameEN{Zhou~Yuhua}
+\setDepartment{鎷夊お璧瀛︿笌鎶€鏈闄
+\setDepartmentEN{School~of~\hologo{LaTeX}}
+\setMajor{鎷夊お璧瑷€瀛
+\setMajorEN{\hologo{LaTeX}~Linguistics}
+\setMentor{鏉庢垚娈縸
+\setMentorEN{Li~Chengdian}
+\setMentorTitle{鏁欐巿}
+\setMentorTitleEN{Professor}
+\setSubmitDate{2021骞�8鏈�10鏃
diff --git a/njuthesis.cls b/njuthesis.cls
index 1ce5503ee9a8d5f5a45e645631848b7dced7c37b..7970e31c319620632a50eec959a3d72023cbe096 100644
--- a/njuthesis.cls
+++ b/njuthesis.cls
@@ -27,7 +27,6 @@
% 杈撳叆閰嶇疆鏂囦欢
\RequirePackage{profile/packages}
-\RequirePackage{coverinfo}
\RequirePackage{profile/font}
\RequirePackage{profile/page}
\RequirePackage{profile/reference}
diff --git a/njuthesis.tex b/njuthesis.tex
index cfee96e9048df93f21b5f37dc153daefc030b10c..bf82c400a50a1f03249866a6f96953e685896afd 100644
--- a/njuthesis.tex
+++ b/njuthesis.tex
@@ -21,6 +21,9 @@
Type=thesis% thesis: 姣曚笟璁烘枃锛宒esign: 姣曚笟璁捐
]{njuthesis}
+% 杈撳叆涓汉淇℃伅
+\input{coverinfo.tex}
+
% 瀵煎叆鍙傝€冩枃鐚簮
\addbibresource{njuthesis.bib}
diff --git a/profile/abstract.sty b/profile/abstract.sty
index a8bff4219e20c96cc1de4344569d9f3a00049a2b..824dd4641b10865dc945827c5f92fc04ede84100 100644
--- a/profile/abstract.sty
+++ b/profile/abstract.sty
@@ -1,8 +1,5 @@
\ProvidesExplPackage{profile/abstract}{2021-09-04}{0.1}{NJU Thesis Undergraduate abstract design}
-% 鎷煎悎鏍囬
-\tl_const:Nn \Title {\TitleA\TitleB\TitleC}
-
% 鎽樿鐜
\NewDocumentEnvironment{abstract} {}
{%
diff --git a/profile/cover.sty b/profile/cover.sty
index e1da830dd72ab56818bd54a0ad67d14e70cc2bfc..7e1d4021f08d80d57efa94220e1cb7fe68e6f485 100644
--- a/profile/cover.sty
+++ b/profile/cover.sty
@@ -1,5 +1,27 @@
\ProvidesExplPackage{profile/cover}{2021-09-04}{0.1}{NJU Thesis Undergraduate cover design}
+% 灏侀潰淇℃伅
+\NewDocumentCommand\setTitleA{m}{\tl_const:Nn \TitleA {#1}}% 绗竴琛屾爣棰�
+\NewDocumentCommand\setTitleB{m}{\tl_const:Nn \TitleB {#1}}% 绗簩琛屾爣棰�
+\NewDocumentCommand\setTitleC{m}{\tl_const:Nn \TitleC {#1}}% 绗笁琛屾爣棰�
+\NewDocumentCommand\setTitleEN{m}{\tl_const:Nn \Title_EN {#1}} % 娉ㄦ剰鑻辨枃鍚嶄腑绌烘牸蹇呴』鏇挎崲涓烘尝娴嚎
+\NewDocumentCommand\setGrade{m}{\tl_const:Nn \Grade {#1}}
+\NewDocumentCommand\setStudentID{m}{\tl_const:Nn \StudentID {#1}}
+\NewDocumentCommand\setStudentName{m}{\tl_const:Nn \StudentName {#1}}
+\NewDocumentCommand\setStudentNameEN{m}{\tl_const:Nn \StudentName_EN {#1}}
+\NewDocumentCommand\setDepartment{m}{\tl_const:Nn \Department {#1}}
+\NewDocumentCommand\setDepartmentEN{m}{\tl_const:Nn \Department_EN {#1}}
+\NewDocumentCommand\setMajor{m}{\tl_const:Nn \Major {#1}}
+\NewDocumentCommand\setMajorEN{m}{\tl_const:Nn \Major_EN {#1}}
+\NewDocumentCommand\setMentor{m}{\tl_const:Nn \Mentor {#1}}
+\NewDocumentCommand\setMentorEN{m}{\tl_const:Nn \Mentor_EN {#1}}
+\NewDocumentCommand\setMentorTitle{m}{\tl_const:Nn \MentorTitle {#1}}
+\NewDocumentCommand\setMentorTitleEN{m}{\tl_const:Nn \MentorTitle_EN {#1}}
+\NewDocumentCommand\setSubmitDate{m}{\tl_const:Nn \SubmitDate {#1}}
+
+% 鎷煎悎鏍囬
+\tl_const:Nn \Title {\TitleA\TitleB\TitleC}
+
% 灏侀潰涓嬪垝绾�
\cs_new:Npn \cover_underline:nn #1 #2 {
\uline{\makebox[#1]{#2}}