njuthesis (20feb22)

git-svn-id: svn://tug.org/texlive/trunk@62107 c570f23f-e606-0410-a88d-b1316a301751

1 files changed, 523 insertions, 269 deletions

diff --git a/Master/texmf-dist/tex/latex/njuthesis/njuthesis.cls b/Master/texmf-dist/tex/latex/njuthesis/njuthesis.cls
index 8f3b2043967..19383bdf427 100644
--- a/Master/texmf-dist/tex/latex/njuthesis/njuthesis.cls
+++ b/Master/texmf-dist/tex/latex/njuthesis/njuthesis.cls
@@ -25,10 +25,10 @@
 %% 
 \NeedsTeXFormat{LaTeX2e}
 \RequirePackage{expl3}
-\GetIdInfo $Id: njuthesis.dtx 0.14.0 2022-01-16 00:00:00 +0800 NJU LUG <git+nju-lug-email-3104-issue-@yaoge123.cn>$
- { Thesis template for Nanjing University }
+\GetIdInfo $Id: njuthesis.dtx 0.15.0 2022-02-20 10:30:00 +0800 NJU LUG <git+nju-lug-email-3104-issue-@yaoge123.cn>$
+  {Thesis template for Nanjing University}
 \ProvidesExplClass{njuthesis}
-{\ExplFileDate}{\ExplFileVersion}{\ExplFileDescription}
+  {\ExplFileDate}{\ExplFileVersion}{\ExplFileDescription}
 \RequirePackage { xtemplate, l3keys2e }
 \msg_new:nnn { njuthesis } { l3-too-old }
   {
@@ -49,7 +49,7 @@
     The~ njuthesis~ class~ requires~ either~
     XeTeX~ or~ LuaTeX. \\
     "#1"~ is~ not~ supported~ at~ present.~
-    You~ must~ change your~ typesetting~ engine~
+    You~ must~ change~ your~ typesetting~ engine~
     to~ "xelatex"~ or~ "lualatex".
   }
 \sys_if_engine_xetex:F
@@ -106,6 +106,13 @@
 \cs_new:Nn \__nju_qquad: { \skip_horizontal:n { 2 em } }
 \cs_new:Nn \__nju_vskip: { \skip_vertical:n   { 1   ex } }
 \cs_new:Nn \__nju_hskip: { \skip_horizontal:n { 0.3 em } }
+\cs_new_protected:Npn \__nju_vskip:N #1
+  {
+    \hrule height \c_zero_dim
+    \nobreak
+    \skip_vertical:n { - \baselineskip - \lineskip }
+    \skip_vertical:N #1
+  }
 \cs_new_protected:Npn \__nju_define_name:nn #1#2
   { \tl_const:cn { c__nju_name_ #1    _tl } { #2 } }
 \cs_new_protected:Npn \__nju_define_name:nnn #1#2#3
@@ -172,12 +179,12 @@
     \dim_set:Nn #1 { \textwidth - #1 } #2
   }
 \cs_generate_variant:Nn \__nju_full_uline:Nn { NV }
-\cs_new_protected:Npn \__nju_uline_entry:nnnn #1#2#3#4
+\cs_new_protected:Npn \__nju_uline_entry:Nnnn #1#2#3#4
   {
     \__nju_full_uline:NV #1 { \__nju_name:n { #2 } #4 }
     \__nju_ulined_center_box:nn { #1 } { \__nju_info:n { #3 } }
   }
-\cs_new_protected:Npn \__nju_uline_bientry:nnnn #1#2#3#4
+\cs_new_protected:Npn \__nju_uline_bientry:Nnnn #1#2#3#4
   {
     \__nju_full_uline:NV #1 { \__nju_name:n { #2 } #4 }
     \dim_sub:Nn #1 { \textwidth / 2 }
@@ -239,6 +246,7 @@
   {
     { acknowledgement } { 致\hspace{2em}谢              },
     { id              } { 学号                          },
+    { notation        } { 符号表                        },
     { orig_date       } { 日期                          },
     { paperlist       } { 发表文章目录                  },
     { pdf_creator     } { LaTeX~ with~ njuthesis~ class },
@@ -300,8 +308,8 @@
         { confer      } { 学位授予单位和日期 },
         { df_date     } { 论文答辩日期       },
         { degree      } { 申请学位级别       },
-        { degree_l    } { （申请             },
-        { degree_r    } { 学位）             },
+        { apply       }
+        { （申请 \l__nju_info_degree_tl 学位） },
         { field       } { 研究方向           },
         { g           } { 研究生             },
         { grade       } { 级                 },
@@ -358,55 +366,6 @@
     { theorem    } { 定理 } { Theorem    }
   }
   { \__nju_define_name:nnn #1 }
-\keys_define:nn { nju / info }
-  {
-    title               .tl_set:N = \l__nju_info_title_tl,
-    title              .initial:n = { 空 },
-    title*              .tl_set:N = \l__nju_info_title_en_tl,
-    keywords         .clist_set:N = \l__nju_info_keywords_clist,
-    keywords*        .clist_set:N = \l__nju_info_keywords_en_clist,
-    grade               .tl_set:N = \l__nju_info_grade_tl,
-    student-id          .tl_set:N = \l__nju_info_id_tl,
-    author              .tl_set:N = \l__nju_info_author_tl,
-    author*             .tl_set:N = \l__nju_info_author_en_tl,
-    department          .tl_set:N = \l__nju_info_dept_tl,
-    department*         .tl_set:N = \l__nju_info_dept_en_tl,
-    major               .tl_set:N = \l__nju_info_major_tl,
-    major*              .tl_set:N = \l__nju_info_major_en_tl,
-    field               .tl_set:N = \l__nju_info_field_tl,
-    field*              .tl_set:N = \l__nju_info_field_en_tl,
-    supervisor       .clist_set:N = \l__nju_info_supv_clist,
-    supervisor*         .tl_set:N = \l__nju_info_supv_en_tl,
-    supervisor-ii    .clist_set:N = \l__nju_info_supv_ii_clist,
-    supervisor-ii*      .tl_set:N = \l__nju_info_supv_ii_en_tl,
-    submit-date         .tl_set:N = \l__nju_info_sm_date_raw_tl,
-    submit-date        .initial:V = \c__nju_today_tl,
-    defend-date         .tl_set:N = \l__nju_info_df_date_raw_tl,
-    defend-date        .initial:V = \c__nju_today_tl,
-    chairman            .tl_set:N = \l__nju_info_chairman_tl,
-    reviewer         .clist_set:N = \l__nju_info_reviewer_clist,
-    clc                 .tl_set:N = \l__nju_info_clc_tl,
-    secret-level        .tl_set:N = \l__nju_info_seclv_tl,
-    udc                 .tl_set:N = \l__nju_info_udc_tl,
-    supervisor-contact  .tl_set:N = \l__nju_info_supv_cont_tl,
-  }
-\bool_set:Nn \l__nju_second_supv_bool
-  { ! \clist_if_empty_p:N \l__nju_info_supv_ii_clist }
-\tl_set:Nn \l__nju_info_supv_full_tl
-  {
-    \clist_use:Nn \l__nju_info_supv_clist { \__nju_hskip: }
-    \bool_if:NT \l__nju_second_supv_bool
-      {
-        \__nju_quad:
-        \clist_use:Nn \l__nju_info_supv_ii_clist { \__nju_hskip: }
-      }
-  }
-\tl_set:Nn \l__nju_info_supv_full_en_tl
-  {
-    \l__nju_info_supv_en_tl
-    \bool_if:NT \l__nju_second_supv_bool
-      { \__nju_quad: \l__nju_info_supv_ii_en_tl }
-  }
 \PassOptionsToClass
   {
     a4paper,
@@ -446,7 +405,6 @@
     caption,
     graphicx,
     enumitem,
-    url,
     hyperref,
     cleveref
   }
@@ -476,6 +434,76 @@
   }
 \sys_if_engine_luatex:T
   { \__nju_check_package:nnn { luatexja } { 2021/10/24 } { 20211024.0 } }
+\keys_define:nn { nju / info }
+  {
+    title               .tl_set:N = \l__nju_info_title_tl,
+    title              .initial:n = { 空 },
+    title*              .tl_set:N = \l__nju_info_title_en_tl,
+    keywords         .clist_set:N = \l__nju_info_keywords_clist,
+    keywords*        .clist_set:N = \l__nju_info_keywords_en_clist,
+    grade               .tl_set:N = \l__nju_info_grade_tl,
+    student-id          .tl_set:N = \l__nju_info_id_tl,
+    author              .tl_set:N = \l__nju_info_author_tl,
+    author*             .tl_set:N = \l__nju_info_author_en_tl,
+    department          .tl_set:N = \l__nju_info_dept_tl,
+    department*         .tl_set:N = \l__nju_info_dept_en_tl,
+    major               .tl_set:N = \l__nju_info_major_tl,
+    major*              .tl_set:N = \l__nju_info_major_en_tl,
+    field               .tl_set:N = \l__nju_info_field_tl,
+    field*              .tl_set:N = \l__nju_info_field_en_tl,
+    supervisor       .clist_set:N = \l__nju_info_supv_clist,
+    supervisor*         .tl_set:N = \l__nju_info_supv_en_tl,
+    supervisor-ii    .clist_set:N = \l__nju_info_supv_ii_clist,
+    supervisor-ii*      .tl_set:N = \l__nju_info_supv_ii_en_tl,
+    submit-date         .tl_set:N = \l__nju_info_sm_date_raw_tl,
+    submit-date        .initial:V = \c__nju_today_tl,
+    defend-date         .tl_set:N = \l__nju_info_df_date_raw_tl,
+    defend-date        .initial:V = \c__nju_today_tl,
+    chairman            .tl_set:N = \l__nju_info_chairman_tl,
+    reviewer         .clist_set:N = \l__nju_info_reviewer_clist,
+    clc                 .tl_set:N = \l__nju_info_clc_tl,
+    secret-level        .tl_set:N = \l__nju_info_seclv_tl,
+    udc                 .tl_set:N = \l__nju_info_udc_tl,
+    supervisor-contact  .tl_set:N = \l__nju_info_supv_cont_tl,
+  }
+\ctex_at_end_preamble:n
+  {
+    \bool_set:Nn \l__nju_second_supv_bool
+      { ! \clist_if_empty_p:N \l__nju_info_supv_ii_clist }
+    \tl_set:Nx \l__nju_info_supv_full_tl
+      {
+        \clist_use:Nn \l__nju_info_supv_clist { \__nju_hskip: }
+        \bool_if:NT \l__nju_second_supv_bool
+          {
+            \__nju_quad:
+            \clist_use:Nn \l__nju_info_supv_ii_clist { \__nju_hskip: }
+          }
+      }
+    \tl_set:Nx \l__nju_info_supv_full_en_tl
+      {
+        \l__nju_info_supv_en_tl
+        \bool_if:NT \l__nju_second_supv_bool
+          { \__nju_quad: \l__nju_info_supv_ii_en_tl }
+      }
+    \tl_set:Nn \l__nju_info_sm_date_tl
+      {
+        \exp_last_unbraced:NV
+          \__nju_date:www \l__nju_info_sm_date_raw_tl \q_stop
+      }
+    \int_compare:nF { \l__nju_info_degree_int == 1 }
+      {
+        \tl_set:Nn \l__nju_info_sm_date_en_tl
+          {
+            \exp_last_unbraced:NV
+              \__nju_date_en:www \l__nju_info_sm_date_raw_tl \q_stop
+          }
+        \tl_set:Nn \l__nju_info_df_date_tl
+          {
+            \exp_last_unbraced:NV
+              \__nju_date:www \l__nju_info_df_date_raw_tl \q_stop
+          }
+      }
+  }
 \tl_if_empty:NTF \g__nju_latin_font_tl
   { \bool_gset_true:N \g__nju_load_sys_font_bool }
   {
@@ -528,6 +556,8 @@
       Scale=MatchLowercase,
       Ligatures=CommonOff]
   }
+\cs_new_protected:Npn \__nju_diable_no_script_msg:
+  { \msg_redirect_name:nnn { fontspec } { no-script } { info } }
 \cs_new_protected:Npn \__nju_load_cjk_font_win:
   {
     \setCJKmainfont { SimSun   }
@@ -541,7 +571,7 @@
   }
 \cs_new_protected:Npn \__nju_load_cjk_font_mac:
   {
-    \msg_redirect_name:nnn { fontspec } { no-script } { info }
+    \__nju_diable_no_script_msg:
     \setCJKmainfont{Songti~SC~Light}[
       BoldFont=Songti~SC~Bold,
       ItalicFont=Kaiti~SC,
@@ -556,8 +586,7 @@
   }
 \cs_new_protected:Npn \__nju_load_cjk_font_fandol:
   {
-    % 移除 does not contain script "CJK" 警告
-    \msg_redirect_name:nnn {fontspec} {no-script} {info}
+    \__nju_diable_no_script_msg:
     \setCJKmainfont{FandolSong-Regular}[
       Extension=.otf,
       BoldFont=FandolSong-Bold,
@@ -579,10 +608,10 @@
   }
 \cs_new_protected:Npn \__nju_load_cjk_font_founder:
   {
+    \sys_if_engine_xetex:T
+      { \xeCJKEditPunctStyle {quanjiao} { optimize-kerning = true } }
     \sys_if_engine_luatex:T
-    {
-      \defaultCJKfontfeatures{JFM={zh_CN/{quanjiao,fzpr}}}
-    }
+      { \defaultCJKfontfeatures { JFM = { zh_CN/{quanjiao,fzpr} } } }
     \setCJKmainfont { FZShuSong-Z01  }
       [ BoldFont = FZXiaoBiaoSong-B05, ItalicFont = FZKai-Z03 ]
     \setCJKsansfont { FZXiHeiI-Z08   } [ BoldFont = FZHei-B01 ]
@@ -678,110 +707,160 @@
     headheight = 15 pt
   }
 \bool_if:NT \g__nju_draft_bool { \geometry { showframe } }
+\cs_new_protected:Npn \__nju_fancy_head:nn #1#2
+  { \fancyhead [#1] { \small \kaishu \nouppercase {#2} } }
 \fancypagestyle { plain }
   {
     \fancyhf { }
-    \fancyfoot [ C ] { \zihao{5} \thepage }
-    \RenewDocumentCommand \headrulewidth { } { 0 pt }
-    \RenewDocumentCommand \footrulewidth { } { 0 pt }
+    \fancyfoot [ C ] { \zihao { 5 } \rmfamily \thepage }
+    \tl_set:Nn \headrulewidth { \c_zero_dim }
+    \tl_set:Nn \footrulewidth { \c_zero_dim }
   }
-\fancypagestyle{headings}
+\cs_new_protected:Npn \__nju_set_heading_g:
   {
-    \fancyhf { }
-    \fancyhead [ CO ] { \leftmark          }
-    \fancyhead [ CE ] { \rightmark         }
-    \fancyfoot [ C  ] { \zihao{5} \thepage }
-    \RenewDocumentCommand \headrulewidth { } { 0.4 pt }
-    \RenewDocumentCommand \footrulewidth { } { 0   pt }
-    \setlength { \headheight } { 20 pt }
+    \bool_if:NTF \g__nju_twoside_bool
+      {
+        \__nju_fancy_head:nn { EL } { \leftmark  }
+        \__nju_fancy_head:nn { OR } { \rightmark }
+      }
+      {
+        \__nju_fancy_head:nn { L  } { \leftmark  }
+        \__nju_fancy_head:nn { R  } { \rightmark }
+      }
+    \tl_set:Nn \headrulewidth { 0.4 pt }
+    \dim_set:Nn \headheight { 20 pt }
   }
 \RenewDocumentCommand \frontmatter { }
   {
     \cleardoublepage
-    \pagestyle{empty}
-    \pagenumbering{Roman}
+    \pagestyle     { empty }
+    \pagenumbering { Roman }
   }
 \RenewDocumentCommand \mainmatter { }
   {
     \cleardoublepage
-    \int_compare:nTF { \l__nju_info_degree_int == 1 }
-      { \pagestyle { plain } } { \pagestyle { headings } }
+    \pagestyle { plain }
+    \int_compare:nF { \l__nju_info_degree_int == 1 }
+      { \__nju_set_heading_g: }
     \pagenumbering { arabic }
     \normalfont \normalsize
   }
 \tl_const:Nn \c__nju_sec_format_tl { \large \normalfont \sffamily }
-\NewDocumentCommand \njuchapter { m }
-  {
-    \chapter* { #1 }
-    \addcontentsline { toc } { chapter } { \c__nju_sec_format_tl #1 }
-    \@mkboth { #1 } { #1 }
+\cs_new_protected:Npn \__nju_add_tocline:n #1
+  { \addcontentsline { toc } { chapter } { \c__nju_sec_format_tl #1 } }
+\cs_generate_variant:Nn \__nju_add_tocline:n { V }
+\cs_new_protected:Npn \__nju_chapter:n #1
+  {
+    \chapter *           { #1 }
+    \__nju_add_tocline:n    { #1 }
+    \__nju_chapter_header:n { #1 }
+  }
+\cs_generate_variant:Nn \__nju_chapter:n { V }
+\cs_new_protected:Npn \__nju_chapter_header:n #1
+  {
+    \bool_if:NTF \g__nju_twoside_bool
+      { \markboth { #1 } { #1 } }
+      { \markboth { \hfill #1 \hfill } { } }
+  }
+\NewDocumentCommand \njuchapter { m } { \__nju_chapter:V { #1 } }
+\keys_set:nn { ctex }
+  {
+    chapter        / beforeskip = 10 pt,
+    chapter        / afterskip  = 60 pt,
+    chapter        / format     = \c__nju_sec_format_tl \centering,
+    section        / format     = \c__nju_sec_format_tl,
+    subsection     / format     = \c__nju_sec_format_tl,
+    subsubsection  / format     = \c__nju_sec_format_tl,
+    contentsname   = { 目\hspace{2em}录 },
+    listfigurename = { 插图目录         },
+    listtablename  = { 表格目录         },
+    chapter / tocline = \c__nju_sec_format_tl \CTEXnumberline { #1 } #2
   }
-\ctexset
+\keys_define:nn { nju / style }
   {
-    chapter/beforeskip   = 10 pt,
-    chapter/afterskip    = 60 pt,
-    chapter/format       = \centering \c__nju_sec_format_tl,
-    section/format       = \c__nju_sec_format_tl,
-    subsection/format    = \c__nju_sec_format_tl,
-    subsubsection/format = \c__nju_sec_format_tl
+    toc-in-toc .bool_gset:N = \g__nju_toc_in_toc_bool,
+    toc-in-toc   .initial:n = true
   }
-\ctexset
+\cs_new_protected:Npn \__nju_make_toc:nn #1#2
   {
-    contentsname   = { 目\hspace{2em}录 },
-    listfigurename = { 插图目录         },
-    listtablename  = { 表格目录         },
-    chapter / tocline = \c__nju_sec_format_tl \CTEXnumberline {#1} #2
-  }
-\cs_new_protected:Npn \__nju_modify_toc_title:nn #1#2
-{
-  \group_begin:
-    \ctexset { chapter/format = \centering \zihao{3} \bf }
-    \njuchapter { #1 }
-  \group_end:
-  \@starttoc { #2 }
-}
+    \group_begin:
+      \keys_set:nn { ctex }
+        { chapter/format = \centering \zihao { 3 } \bfseries }
+      \bool_if:NTF \g__nju_toc_in_toc_bool
+        { \__nju_chapter:n { #1 } }
+        {
+          \chapter * { #1 }
+          \pdfbookmark [0] { #1 } { #2 }
+          \__nju_chapter_header:n { #1 }
+        }
+    \group_end:
+    \@starttoc { #2 }
+  }
+\cs_generate_variant:Nn \__nju_make_toc:nn { Vn }
 \RenewDocumentCommand \tableofcontents { }
-  { \__nju_modify_toc_title:nn { \contentsname   } { toc } }
+  { \__nju_make_toc:Vn \contentsname   { toc } }
 \RenewDocumentCommand \listoffigures   { }
-  { \__nju_modify_toc_title:nn { \listfigurename } { lof } }
+  { \__nju_make_toc:Vn \listfigurename { lof } }
 \RenewDocumentCommand \listoftables    { }
-  { \__nju_modify_toc_title:nn { \listtablename  } { lot } }
+  { \__nju_make_toc:Vn \listtablename  { lot } }
+\clist_new:N \g__nju_biblatex_option_clist
+\clist_new:N \g__nju_bib_resource_clist
+\msg_new:nnn { njuthesis } { extra-bib-style }
+  {
+    Wrongly-placed~ bib~ style.\\
+    Please~ use~ the~ `bib/style`~ field.
+  }
 \keys_define:nn { nju / bib }
   {
     style             .choice:,
     style / numeric     .code:n =
-      { \clist_set:Nn \l__nju_tmp_clist { style = gb7714-2015   } },
+      {
+        \clist_gput_right:Nn \g__nju_biblatex_option_clist
+          { style = gb7714-2015      }
+      },
     style / author-year .code:n =
-      { \clist_set:Nn \l__nju_tmp_clist { style = gb7714-2015ay } },
+      {
+        \clist_gput_right:Nn \g__nju_biblatex_option_clist
+          { style = gb7714-2015ay    }
+      },
+    style / unknown     .code:n =
+      {
+        \clist_gput_right:Nx \g__nju_biblatex_option_clist
+          { style = \l_keys_value_tl }
+      },
     style            .initial:n = numeric,
-    resource       .clist_set:N = \l__nju_bib_resource_clist
+    option              .code:n =
+      {
+        \tl_if_in:VnTF \l_keys_value_tl { style = }
+          { \msg_error:nn { njuthesis } { extra-bib-style } }
+          {
+            \clist_gput_right:NV \g__nju_biblatex_option_clist
+              \l_keys_value_tl
+          }
+      },
+    resource            .code:n =
+      {
+        \clist_gput_right:NV \g__nju_bib_resource_clist
+          \l_keys_value_tl
+      },
   }
 \NewDocumentCommand \addbibresource { m }
-  { \clist_gput_right:Nn \l__nju_bib_resource_clist { #1 } }
+  { \clist_gput_right:Nn \g__nju_bib_resource_clist { #1 } }
 \cs_new_protected:Npn \__nju_biblatex_pre_setup:
   {
     \cs_undefine:N \addbibresource
-    \clist_put_right:Nn \l__nju_tmp_clist { backend = biber }
-    \exp_args:NV \PassOptionsToPackage \l__nju_tmp_clist { biblatex }
-    \clist_clear:N \l__nju_tmp_clist
+    \clist_gput_right:Nn \g__nju_biblatex_option_clist { backend = biber }
+    \exp_args:NV \PassOptionsToPackage
+      \g__nju_biblatex_option_clist { biblatex }
   }
 \cs_new_protected:Npn \__nju_biblatex_post_setup:
   {
-    \defbibheading { njubib } [ \bibname ] { \njuchapter { ##1 } }
-    \DeclarePrintbibliographyDefaults { heading = njubib }
-    \clist_map_inline:Nn \l__nju_bib_resource_clist
+    \defbibheading { njubibintoc } [ \bibname ] { \__nju_chapter:V { ##1 } }
+    \tl_if_eq:NnTF \blx@refsecreset@level { 2 }
+      { \DeclarePrintbibliographyDefaults { heading = subbibintoc } }
+      { \DeclarePrintbibliographyDefaults { heading = njubibintoc } }
+    \clist_map_inline:Nn \g__nju_bib_resource_clist
       { \addbibresource { ##1 } }
-    \AtEveryBibitem
-      {
-        \clist_map_inline:nn
-          { abstract, issn, isbn, archivePrefix, arxivId, pmid, eprint }
-          { \clearfield { ##1 } }
-        % \ifentrytype{online} { }
-          % {
-            % \ifentrytype{misc} { }
-            %   \clearfield{urldate} { \clearfield{url} }
-          % }
-      }
   }
 \BeforeBeginEnvironment { document }
   {
@@ -893,6 +972,76 @@
       { \clist_item:cn { l__nju_info_ #1 _clist } { 2 } }
     \__nju_vskip:
   }
+\DeclareObjectType { nju } { \c_zero_int }
+\DeclareTemplateInterface { nju } { element } { \c_zero_int }
+  {
+    content     : tokenlist = \c_empty_tl,
+    format      : tokenlist = \c_empty_tl,
+    bottom-skip : skip      = \c_zero_skip,
+    align       : choice { l, r, c, n } = c
+  }
+\DeclareTemplateCode { nju } { element } { \c_zero_int }
+  {
+    content     = \l__njuelem_content_tl,
+    format      = \l__njuelem_format_tl,
+    bottom-skip = \l__njuelem_bottom_skip,
+    align =
+      {
+        l =
+          { \tl_set_eq:NN \l__njuelem_begin_align_tl \flushleft
+            \tl_set_eq:NN \l__njuelem_end_align_tl   \endflushleft  },
+        r =
+          { \tl_set_eq:NN \l__njuelem_begin_align_tl \flushright
+            \tl_set_eq:NN \l__njuelem_end_align_tl   \endflushright },
+        c =
+          { \tl_set_eq:NN \l__njuelem_begin_align_tl \center
+            \tl_set_eq:NN \l__njuelem_end_align_tl   \endcenter     },
+        n =
+          { \tl_clear:N   \l__njuelem_begin_align_tl
+            \tl_clear:N   \l__njuelem_end_align_tl                  }
+      }
+  }
+  {
+    \AssignTemplateKeys
+    \group_begin:
+      \l__njuelem_begin_align_tl
+      \l__njuelem_format_tl
+      \l__njuelem_content_tl \par
+      \l__njuelem_end_align_tl
+    \group_end:
+    \__nju_vskip:N \l__njuelem_bottom_skip
+  }
+\DeclareTemplateInterface { nju } { page } { \c_zero_int }
+  {
+    element     : commalist = \c_empty_clist,
+    prefix      : tokenlist = \c_empty_tl,
+    format      : tokenlist = \c_empty_tl,
+    top-skip    : skip      = \c_zero_skip,
+    bottom-skip : skip      = \c_zero_skip
+  }
+\DeclareTemplateCode { nju } { page } { \c_zero_int }
+  {
+    element     = \l__njupage_element_clist,
+    prefix      = \l__njupage_prefix_tl,
+    format      = \l__njupage_format_tl,
+    top-skip    = \l__njupage_top_skip,
+    bottom-skip = \l__njupage_bottom_skip
+  }
+  {
+    \AssignTemplateKeys
+    \newpage
+    \__nju_vskip:N \l__njupage_top_skip
+    \group_begin:
+      \l__njupage_format_tl
+      \clist_map_inline:Nn \l__njupage_element_clist
+        { \UseInstance { nju } { \l__njupage_prefix_tl ##1 } }
+    \group_end:
+    \__nju_vskip:N \l__njupage_bottom_skip
+  }
+\cs_new_protected:Npn \__nju_declare_element:nn #1#2
+  { \DeclareInstance { nju } {#1} { element } {#2} }
+\cs_new_protected:Npn \__nju_declare_page:nn    #1#2
+  { \DeclareInstance { nju } {#1} { page    } {#2} }
 \keys_define:nn { nju / style }
   {
     emblem-img .tl_set:N = \l__nju_emblem_img_tl,
@@ -912,30 +1061,34 @@
           { \includegraphics [ width = #2, height = #3 ]
               { \l__nju_name_img_tl } }
       }
-    \tl_set:Nn \l__nju_info_sm_date_tl
-      {
-        \exp_last_unbraced:NV
-          \__nju_date:www \l__nju_info_sm_date_raw_tl \q_stop
-      }
-    \int_compare:nF { \l__nju_info_degree_int == 1 }
-      {
-        \tl_set:Nn \l__nju_info_sm_date_en_tl
-          {
-            \exp_last_unbraced:NV
-              \__nju_date_en:www \l__nju_info_sm_date_raw_tl \q_stop
-          }
-        \tl_set:Nn \l__nju_info_df_date_tl
-          {
-            \exp_last_unbraced:NV
-              \__nju_date:www \l__nju_info_df_date_raw_tl \q_stop
-          }
-      }
   }
-\cs_new_protected:Npn \__nju_cover_title_ug:
-  { \__nju_spread_box:nnn { 9 em } { \bf } { \l__nju_info_type_tl } }
+\__nju_declare_element:nn { cover / ug / emblem-img }
+  {
+    content = \njuemblem [ black ] { ! } { 3.35 cm },
+    bottom-skip = 1 cm,
+    align   = l
+  }
+\__nju_declare_element:nn { cover / ug / name-img }
+  {
+    content     = \njuname [ black ] { ! } { 3 cm },
+    bottom-skip = 1 cm
+  }
+\__nju_declare_element:nn { cover / ug / title }
+  {
+    content  =
+      \__nju_spread_box:nnn { 9 em } { \bf } { \l__nju_info_type_tl },
+    format   = \zihao { -1 },
+    bottom-skip = 0 pt plus 1.5 fill
+  }
+\__nju_declare_element:nn { cover / ug / info }
+  {
+    content  =
+      \__nju_cover_info_ug:nnn { 4.2 em } { 16 em } { 5.5 em },
+    format   = \zihao { 3 }
+  }
 \cs_new_protected:Npn \__nju_cover_info_ug:nnn #1#2#3
   {
-    \begin{minipage} [ c ] { #1 + #2 + 0.3 em }
+    \begin{minipage} { #1 + #2 + 0.3 em }
       \raggedleft
       \__nju_cover_entry:nnn { dept     } { #1 } { #2 }
       \__nju_cover_entry:nnn { major    } { #1 } { #2 }
@@ -948,20 +1101,50 @@
       \__nju_cover_entry:nnn { sm_date  } { #1 } { #2 }
     \end{minipage}
   }
-\cs_new_protected:Npn \__nju_cover_title_g:
+\__nju_declare_element:nn { cover / g / emblem-img }
+  {
+    content     = \njuemblem [ black ] { ! } { 1.9 cm },
+    bottom-skip = 1 cm
+  }
+\__nju_declare_element:nn { cover / g / name-img }
+  {
+    content = \njuname [ black ] { 4.4 cm } { ! },
+    bottom-skip = 2 cm
+  }
+\__nju_declare_element:nn { cover / g / type }
+  {
+    content     =
+      \__nju_spread_box:nnn { 9 em } { } { \l__nju_info_type_tl },
+    format      = \zihao { -1 } \bfseries,
+    bottom-skip = 1 cm
+  }
+\__nju_declare_element:nn { cover / g / degree }
   {
-    \__nju_spread_box:nnn { 9em } { } { \l__nju_info_type_tl } \__nju_vskip:
-    \c__nju_name_degree_l_tl \l__nju_info_degree_tl \c__nju_name_degree_r_tl
+    content     = \c__nju_name_apply_tl,
+    format      = \zihao { -1 } \bfseries,
+    bottom-skip = 1 cm plus 1.5 fil
   }
+\__nju_declare_element:nn { cover / g / info }
+  {
+    content     = \__nju_cover_info_g:nn { 6.2 em } { 18 em },
+    bottom-skip = 0 pt plus 1.5 fil
+  }
+\__nju_declare_element:nn { cover / g / date }
+  { content = \l__nju_info_sm_date_tl }
 \cs_new_protected:Npn \__nju_cover_info_g:nn #1#2
   {
-    \begin{minipage} [ c ] { #1 + #2 + 0.3 em }
+    \begin{minipage} { #1 + #2 + 0.3 em }
       \raggedleft
       \__nju_multiline_title:nnn { } { #1 } { #2 }
       \clist_map_inline:nn { author, major, field, supv_full }
         { \__nju_cover_entry:nnn { ##1 } { #1 } { #2 } }
     \end{minipage}
   }
+\__nju_declare_element:nn { cover / g / back }
+  {
+    content = \__nju_cover_back_g:,
+    align   = l
+  }
 \cs_new_protected:Npn \__nju_cover_back_g:
   {
     \__nju_spread_box:nnn { 6.2 em } { \kaishu } { \c__nju_name_id_tl }
@@ -973,29 +1156,82 @@
     \__nju_spread_box:nnn { 6.2 em } { \kaishu } { \c__nju_name_supv_full_tl }
     { : \__nju_quad: } \skip_horizontal:n { 8 em } \c__nju_name_sign_tl
   }
-\cs_new_protected:Npn \__nju_cover_en_g:
-  {
-      \parbox { \textwidth }
-        { \centering \bf \sffamily \zihao { 2 } \l__nju_info_title_en_tl }
-      \skip_vertical:n { 1 cm }
-      \group_begin: \zihao { 4 } { by } \group_end: \__nju_vskip:
-      \group_begin:
-        \bf \sffamily \zihao { 4 } \l__nju_info_author_en_tl
-      \group_end: \skip_vertical:n { 1 cm }
-      \group_begin: \zihao { 4 } { Supervised~ by } \group_end: \__nju_vskip:
-      \group_begin:
-        \sffamily \zihao { 4 } \l__nju_info_supv_full_en_tl
-      \group_end: \vfill
+\__nju_declare_element:nn { cover / g / en / title }
+  {
+    content     = \l__nju_info_title_en_tl,
+    format      = \bf \sffamily \zihao { 2 },
+    bottom-skip = 2 cm
+  }
+\__nju_declare_element:nn { cover / g / en / top }
+  {
+    content      =
+      { by }
+      \skip_vertical:N \c_zero_skip
+      \textbf { \sffamily \l__nju_info_author_en_tl }
+      \skip_vertical:n { .5 cm }
+      { Supervised~ by }
+      \skip_vertical:N \c_zero_skip
+      \textsf { \l__nju_info_supv_full_en_tl },
+    format      = \zihao { 4 },
+    bottom-skip = 0 pt plus 1.2 fil
+  }
+\__nju_declare_element:nn { cover / g / en / middle }
+  {
+    content     =
       \c__nju_cover_en_text_tl \__nju_vskip:
       \textsc { \clist_item:Nn \c__nju_name_degree_en_clist
                   { \l__nju_info_degree_int } }
       \__nju_vskip: { in } \__nju_vskip:
-      \l__nju_info_major_en_tl \skip_vertical:n { 1 cm }
-      \njuemblem [ black ] { ! } { 2.5 cm } \__nju_vskip:
-      \l__nju_info_dept_en_tl \\ \c__nju_name_nju_en_tl
-      \skip_vertical:n { 1 cm }
+      \l__nju_info_major_en_tl,
+    bottom-skip = 2 cm
+  }
+\__nju_declare_element:nn { cover / g / en / emblem-img }
+  {
+    content     = \njuemblem [ black ] { ! } { 2.5 cm },
+    bottom-skip = 1.5 cm
+  }
+\__nju_declare_element:nn { cover / g / en / bottom }
+  {
+    content =
+      \l__nju_info_dept_en_tl \skip_vertical:N \c_zero_skip
+      \c__nju_name_nju_en_tl  \skip_vertical:n { 1 cm }
       \l__nju_info_sm_date_en_tl
   }
+\__nju_declare_element:nn { cover / nl / top }
+  {
+    content     = \__nju_cover_top_nl:,
+    bottom-skip = 2 cm
+  }
+\__nju_declare_element:nn { cover / nl / name }
+  {
+    content     =
+      \__nju_spread_box:nnn { 6 em } { } { \c__nju_name_title_tl },
+    format      = \zihao { -0 },
+    bottom-skip = 0 pt plus 1.2 fil
+  }
+\__nju_declare_element:nn { cover / nl / title }
+  {
+    content     = \__nju_cover_title_nl:,
+    format      = \zihao { 1 },
+    bottom-skip = 1 cm
+  }
+\__nju_declare_element:nn { cover / nl / middle }
+  {
+    content     = \__nju_cover_info_nl:,
+    format      = \zihao { 4 },
+    bottom-skip = 0 pt plus 1.2 fil
+  }
+\__nju_declare_element:nn { cover / nl / bottom }
+  {
+    content     = \__nju_cover_bottom_nl:,
+    bottom-skip = 1 cm,
+    align       = r
+  }
+\__nju_declare_element:nn { cover / nl / date }
+  {
+    content = \__nju_qquad: 年 \__nju_quad: 月 \__nju_quad: 日,
+    format  = \kaishu \zihao { 3 }
+  }
 \cs_new_protected:Npn \__nju_cover_top_nl:
   {
     \__nju_spread_box:nnn { 3.2 em } { } { \c__nju_name_clc_tl   } \__nju_hskip:
@@ -1007,15 +1243,14 @@
   }
 \cs_new_protected:Npn \__nju_cover_title_nl:
   {
-    \noindent \kaishu \zihao { -0 } \skip_vertical:n { -1 cm }
-    \__nju_spread_box:nnn { 6 em } { } { \c__nju_name_title_tl }
-    \__nju_vskip: \zihao { 1 }
     \__nju_split_title:n { \l__nju_info_title_tl }
     \__nju_multiline_box:nnnn { \l__nju_tmp_int } \l__nju_tmp_clist { 3 } { 15 em }
-    \__nju_vskip: \zihao{4} \c__nju_name_title_nl_tl
-    \__nju_vskip: \zihao{1}
+    \skip_vertical:n { - 0.5 cm }
+    { \zihao { 4 } \c__nju_name_title_nl_tl }
+    \skip_vertical:N \c_zero_skip
     \__nju_ulined_center_box:nn { 4.5 em } { \l__nju_info_author_tl }
-    \__nju_vskip: \zihao{4} { ( } \c__nju_name_author_tl { ) }
+    \skip_vertical:n { - 0.5 cm }
+    { \zihao { 4 } { ( } \c__nju_name_author_tl { ) } }
   }
 \cs_new_protected:Npn \__nju_cover_info_nl:
   {
@@ -1023,13 +1258,13 @@
       { \clist_item:Nn \l__nju_info_supv_clist { 1 } }
     \tl_set:Nn \l__nju_info_supv_ttl_tl
       { \clist_item:Nn \l__nju_info_supv_clist { 2 } }
-    \__nju_uline_entry:nnnn   \l__nju_tmp_dim { supv_info } { supv   } { } \\
+    \__nju_uline_entry:Nnnn   \l__nju_tmp_dim { supv_info } { supv   } { } \\
     \__nju_ulined_center_box:nn { \textwidth } { \__nju_info:n { supv_ttl }
     \__nju_quad: \__nju_info:n  { supv_cont } }                             \\
-    \__nju_uline_bientry:nnnn \l__nju_tmp_dim { degree   } { degree  } { }
-    \__nju_uline_bientry:nnnn \l__nju_tmp_dim { major_nl } { major   } { } \\
-    \__nju_uline_bientry:nnnn \l__nju_tmp_dim { sm_date  } { sm_date } { }
-    \__nju_uline_bientry:nnnn \l__nju_tmp_dim { df_date  } { df_date } { } \\
+    \__nju_uline_bientry:Nnnn \l__nju_tmp_dim { degree   } { degree  } { }
+    \__nju_uline_bientry:Nnnn \l__nju_tmp_dim { major_nl } { major   } { } \\
+    \__nju_uline_bientry:Nnnn \l__nju_tmp_dim { sm_date  } { sm_date } { }
+    \__nju_uline_bientry:Nnnn \l__nju_tmp_dim { df_date  } { df_date } { } \\
     \__nju_full_uline:Nn \l__nju_tmp_dim { \c__nju_name_confer_tl }
     \__nju_uline:n { \l__nju_tmp_dim }
   }
@@ -1041,69 +1276,47 @@
     \__nju_multiline_box:nnnn { \l__nju_tmp_int }
       { \l__nju_info_reviewer_clist } { 4 } { 9 em }
   }
-\cs_new_protected:Npn \__nju_make_cover_ug:
+\__nju_declare_page:nn { cover-ug-default }
   {
-    \newpage
-    \null \skip_horizontal:n { -1 cm }
-    \njuemblem [ black ] { ! } { 3.35 cm }
-    \begin{center}
-      \njuname [ black ] { ! } { 3 cm } \__nju_vskip:
-      \group_begin: \zihao { -1 } \__nju_cover_title_ug: \group_end:
-      \skip_vertical:n { 1.5 cm } \vfil
-      \zihao{3} \__nju_cover_info_ug:nnn { 4.2 em } { 16 em } { 5.5 em } \vfil
-    \end{center}
+    element     = { emblem-img, name-img, title, info },
+    prefix      = cover / ug /,
+    bottom-skip = 0.5 cm plus 1.5 fill
   }
-\cs_new_protected:Npn \__nju_make_cover_g:
+\__nju_declare_page:nn { cover-g-front-default }
   {
-    \newpage
-    \begin{center}
-      \null \skip_vertical:n { 1 cm }
-      \njuemblem [ black ] { ! } { 1.9 cm } \skip_vertical:n { 0.5 cm }
-      \njuname   [ black ] { 4.4 cm } { ! } \__nju_vskip:
-      \group_begin:
-        \zihao { -1 } \bf \kaishu \__nju_cover_title_g:
-      \group_end:
-      \skip_vertical:n { 3 cm } \vfil
-      \group_begin:
-        \zihao { 3 } \kaishu
-        \__nju_cover_info_g:nn { 6.2 em } { 18 em } \vfil
-        \skip_vertical:n { 2 cm } \l__nju_info_sm_date_tl
-      \group_end:
-    \end{center}
-    \newpage
-    \noindent \null \skip_vertical:n { 18 cm }
-    \group_begin:
-      \zihao { 3 } \kaishu \__nju_cover_back_g:
-    \group_end:
-    \newpage
-    \noindent \null \skip_vertical:n { 2 cm }
-    \begin{center}
-      \__nju_cover_en_g:
-    \end{center}
+    element  = { emblem-img, name-img, type, degree, info, date },
+    prefix   = cover / g /,
+    format   = \zihao { 3 } \kaishu,
+    top-skip = 1.5 cm
   }
-\cs_new_protected:Npn \__nju_make_cover_nl:
+\__nju_declare_page:nn { cover-g-back-default }
   {
-    \pdfbookmark [ 0 ] { 国家图书馆封面 } { nlcover }
-    \noindent \null
-    \begin{center}
-      \zihao{ -4 } \skip_vertical:n { -2 cm }
-      \__nju_cover_top_nl:
-    \end{center}
-    \begin{center}
-      \skip_vertical:n { -2 cm }
-      \__nju_cover_title_nl:
-    \end{center}
-    \group_begin:
-      \kaishu \zihao { 4 } \noindent \__nju_cover_info_nl:
-    \group_end:
-    \begin{flushright}
-      \__nju_cover_bottom_nl:
-    \end{flushright}
-    \begin{center}
-      \kaishu \zihao{3} \__nju_qquad: 年 \__nju_quad: 月 \__nju_quad: 日
-    \end{center}
-    \skip_vertical:n { -1 cm }
+    element  = { back },
+    prefix   = cover / g /,
+    format   = \zihao { 3 } \kaishu,
+    top-skip = 20 cm
   }
+\__nju_declare_page:nn { cover-g-en-default }
+  {
+    element  = { title, top, middle, emblem-img, bottom },
+    prefix   = cover / g / en /,
+    top-skip = 0 pt plus 1.2 fil
+  }
+\__nju_declare_page:nn { cover-nl-default }
+  {
+    element = { top, name, title, middle, bottom, date },
+    prefix  = cover / nl /,
+    format  = \kaishu
+  }
+\cs_new_protected:Npn \__nju_make_cover_ug:
+  { \UseInstance { nju } { cover-ug-default } }
+\cs_new_protected:Npn \__nju_make_cover_g:
+  {
+    \clist_map_inline:nn { front, back, en }
+      { \UseInstance { nju } { cover-g- ##1 -default } }
+  }
+\cs_new_protected:Npn \__nju_make_cover_nl:
+  { \UseInstance { nju } { cover-nl-default } }
 \cs_new_protected:Npn \__nju_make_orig_decl:
   {
     \chapter* { \c__nju_name_nju_tl \c__nju_name_orig_decl_tl }
@@ -1123,7 +1336,8 @@
   {
     \bool_if:NF \g__nju_draft_bool
       {
-        \pagestyle { empty }
+        \pagestyle     { empty  }
+        \pagenumbering { gobble }
         \bool_if:NTF \g__nju_nlcover_bool
           { \__nju_make_cover_nl: }
           { \use:c { __nju_make_cover_ \l__nju_info_diploma_tl : } }
@@ -1135,29 +1349,29 @@
     \pagenumbering { Roman }
     \normalfont \normalsize
   }
+\keys_define:nn { nju / style }
+  {
+    abstract-in-toc .bool_gset:N = \g__nju_abs_in_toc_bool,
+    abstract-in-toc   .initial:n = true
+  }
+\cs_new_protected:Npn \__nju_abs_bookmark:nn #1#2
+  {
+    \phantomsection
+    \bool_if:NTF \g__nju_abs_in_toc_bool
+      { \__nju_add_tocline:n { #1 } }
+      { \pdfbookmark [0] { #1 } { #2 } }
+  }
+\cs_generate_variant:Nn \__nju_abs_bookmark:nn { Vn }
 \cs_new_protected:Npn \__nju_abs_title_uuline:n #1
   { \bf \kaishu \zihao { -2 } \__nju_uuline:n { #1 } }
 \cs_new_protected:Npn \__nju_abs_info_style:n #1
   { \noindent \zihao{ #1 } \kaishu }
 \cs_new_protected:Npn \__nju_abs_info_style_en: #1
   { \zihao{ #1 } }
-\cs_new_protected:Npn \__nju_abs_bookmark:
-  {
-    \phantomsection
-    \addcontentsline { toc } { chapter }
-      { \c__nju_sec_format_tl \c__nju_name_lang_tl \c__nju_name_abstract_tl }
-  }
-\cs_new_protected:Npn \__nju_abs_bookmark_en:
-  {
-    \phantomsection
-    \addcontentsline { toc } { chapter }
-      { \c__nju_sec_format_tl \c__nju_name_abstract_en_tl }
-  }
-\cs_generate_variant:Nn \clist_map_inline:nn { Vn }
 \cs_new_protected:Npn \__nju_abs_title_ug:n #1
   {
-    \__nju_name:n { nju     } \__nju_name:n { type     }
-    \__nju_name:n { lang #1 } \__nju_name:n { abstract }
+    \clist_map_inline:nn { nju, type, lang #1, abstract }
+      { \__nju_name:n { ##1 } }
   }
 \cs_new_protected:Npn \__nju_abs_info_ug:nn #1#2
   {
@@ -1214,18 +1428,27 @@
         \tl_range:Nnn \l__nju_info_title_en_tl { 41 } { -1 }
         \clist_map_inline:nn { major, author, supv_full }
           { \\
-            \__nju_uline_entry:nnnn \l__nju_tmp_dim { ##1 _en } { ##1 _en } { #2 }
+            \__nju_uline_entry:Nnnn \l__nju_tmp_dim { ##1 _en } { ##1 _en } { #2 }
           }
       }
   }
 \cs_new_protected:Npn \__nju_print_keywords:nn #1#2
   {
-    \skip_vertical:n { 2 ex }
-    \group_begin:
-      \noindent \bf \heiti
-      \use:c { c__nju_name_keywords #1 _tl }
-    \group_end:
-    \clist_use:cn { l__nju_info_keywords #1 _clist } { #2 }
+    \exp_args:NNc
+      \tl_set_eq:NN \l__nju_tmp_tl { c__nju_name_keywords #1 _tl }
+    \__nju_get_text_width:Nn \l__nju_tmp_dim { \l__nju_tmp_tl }
+    \list { }
+      {
+        \labelwidth  \l__nju_tmp_dim
+        \labelsep    \c_zero_dim
+        \leftmargin  \c_zero_dim
+        \rightmargin \c_zero_dim
+        \advance \leftmargin \l__nju_tmp_dim
+        \cs_set_eq:NN \makelabel \textbf
+      }
+    \item [ \l__nju_tmp_tl ]
+      \clist_use:cn { l__nju_info_keywords #1 _clist } { #2 }
+    \endlist
   }
 \cs_new_protected:Npn \__nju_make_abs_ug:nn #1#2
   {
@@ -1249,26 +1472,29 @@
       \__nju_abs_info_g:nn { #1 } { #2 }
     \group_end: \__nju_vskip:
   }
-\NewDocumentEnvironment{abstract} { +b }
+\NewDocumentEnvironment { abstract } { +b }
   {
     \cleardoublepage
-    \__nju_abs_bookmark:
+    \thispagestyle { plain }
+    \__nju_abs_bookmark:Vn
+      { \c__nju_name_lang_tl \c__nju_name_abstract_tl } { abstract }
     \use:c { __nju_make_abs_ \l__nju_info_diploma_tl :nn } { } { ： }
     \group_begin: \kaishu \zihao { -4 } #1
   }
   { \__nju_print_keywords:nn { } { ； } \group_end: }
-\NewDocumentEnvironment{abstract*} { +b }
+\NewDocumentEnvironment { abstract* } { +b }
   {
     \cleardoublepage
-    \__nju_abs_bookmark_en:
+    \thispagestyle { plain }
+    \__nju_abs_bookmark:Vn { \c__nju_name_abstract_en_tl } { abstract-en }
     \use:c { __nju_make_abs_ \l__nju_info_diploma_tl :nn } { _en } { :~ }
-    \group_begin: \kaishu \zihao{ -4 } #1
+    \group_begin: \zihao{ -4 } #1
   }
   { \__nju_print_keywords:nn { _en } { ;~ } \group_end: }
 \NewDocumentEnvironment { preface         } { +b }
-  { \njuchapter { \c__nju_name_preface_tl         } #1 } { }
+  { \__nju_chapter:V { \c__nju_name_preface_tl         } #1 } { }
 \NewDocumentEnvironment { acknowledgement } { +b }
-  { \njuchapter { \c__nju_name_acknowledgement_tl } #1 } { }
+  { \__nju_chapter:V { \c__nju_name_acknowledgement_tl } #1 } { }
 \NewDocumentCommand \njupaperlist
   { O { \c__nju_name_paperlist_tl } m }
   {
@@ -1287,6 +1513,34 @@
     \end{refsection}
     \group_end:
   }
+\cs_new_protected:Npn \__nju_notation_label:n #1 { #1 \hfil }
+\cs_new_protected:Npn \__nju_make_notation:nn #1#2
+  {
+    \dim_set:Nn \l__nju_tmp_dim { \textwidth - #1 - #2 }
+    \list { }
+      {
+        \labelwidth #2
+        \labelsep   \c_zero_dim
+        \itemsep    \c_zero_dim
+        \parsep     \c_zero_dim
+        \leftmargin  .5\l__nju_tmp_dim
+        \rightmargin \leftmargin
+        \advance \leftmargin #2
+        \cs_set_eq:NN \makelabel \__nju_notation_label:n
+      }
+  }
+\NewDocumentEnvironment { notation } { O { 10 em } O { 5 em } }
+  {
+    \__nju_chapter:V { \c__nju_name_notation_tl }
+    \__nju_make_notation:nn { #1 } { #2 }
+  }
+  { \endlist }
+\NewDocumentEnvironment { notation* } { O { 10 em } O { 5 em } }
+  {
+    \chapter * { \c__nju_name_notation_tl }
+    \__nju_make_notation:nn { #1 } { #2 }
+  }
+  { \endlist }
 \endinput
 %%
 %% End of file `njuthesis.cls'.