diff --git a/makefile b/makefile
index 1aed752..26f3398 100644
--- a/makefile
+++ b/makefile
@@ -60,7 +60,7 @@ close:
 	@$(CLOSE) || echo not found
 
 clean:
-	$(RM) *.gls *.glo *.ind *.idx
+	$(RM) *.gls *.glo *.ind yanputhesis.idx
 	$(RM) *.ilg *.aux *.toc *.aux
 	$(RM) *.hd *.out *.thm *.gz *.nlo *.nls
 	$(RM) *.log *.lof *.lot *.bbl *.blg
diff --git a/yanputhesis-sample.tex b/yanputhesis-sample.tex
index c6d8dc1..216b3ad 100644
--- a/yanputhesis-sample.tex
+++ b/yanputhesis-sample.tex
@@ -385,12 +385,12 @@ \section{插图}
         \centering
         \begin{subfigure}[t]{0.47\textwidth}
             \centering
-            \includegraphics[scale=0.12]{poster.png}
+            \includegraphics[scale=0.1]{poster.png}
             \caption{\label{subfig:example2-subfig1}}
         \end{subfigure}
         \begin{subfigure}[t]{0.47\textwidth}
             \centering
-            \includegraphics[scale=0.12]{poster.png}
+            \includegraphics[scale=0.1]{poster.png}
             \caption{\label{subfig:example2-subfig2}}
         \end{subfigure}
     \end{minipage}
diff --git a/yanputhesis.cls b/yanputhesis.cls
index 6063376..a288c7f 100644
--- a/yanputhesis.cls
+++ b/yanputhesis.cls
@@ -255,10 +255,10 @@
 \RequirePackage{setspace}                                   % 空白长度控制
 \RequirePackage{ragged2e}                                   % 对齐
 \DeclareCaptionFont{cWuhao}{\sWuhao}                        % 图表标题为五号
-\captionsetup[table]{labelfont=cWuhao,textfont=cWuhao, aboveskip=10pt, belowskip=0pt}      %
-\captionsetup[figure]{labelfont=cWuhao,textfont=cWuhao, aboveskip=10pt, belowskip=0pt}     %
-\captionsetup[subtable]{labelformat=simple, aboveskip=10pt, belowskip=-5pt}  %
-\captionsetup[subfigure]{labelformat=simple, aboveskip=10pt, belowskip=-5pt}%
+\captionsetup[table]{labelfont=cWuhao, textfont=cWuhao, aboveskip=10pt, belowskip=0pt}
+\captionsetup[figure]{labelfont=cWuhao, textfont=cWuhao, aboveskip=10pt, belowskip=0pt}
+\captionsetup[subtable]{labelformat=simple, aboveskip=10pt, belowskip=-5pt}
+\captionsetup[subfigure]{labelformat=simple, aboveskip=10pt, belowskip=-5pt}
 \AtBeginEnvironment{tabular}{\sWuhao}                       % 表格内容为五号
 \AtBeginEnvironment{tabularx}{\sWuhao}                      %
 \newcolumntype{C}{>{\centering\arraybackslash}X}            % 等宽居中
@@ -842,8 +842,8 @@
 %% 附页部分
 %%-----------------------------------------------------------------------------%
 \newenvironment{acknowledgements}{                          % 致谢
-    \renewcommand{\baselinestretch}{1.5}                    %
-    \fontsize{12pt}{13pt}\selectfont                        %
+    \renewcommand{\baselinestretch}{1.0}                    %
+    \sDefault                                               %
     \phantomsection\chapter*{\nwpu@page@ack}                %
     \markboth{\nwpu@page@ack}{\nwpu@page@ack}               %
     \addcontentsline{toc}{chapter}{\nwpu@page@ack}          %
@@ -851,8 +851,8 @@
 }{\par \cleardoublepage}                                    %
 %%-----------------------------------------------------------------------------%
 \newenvironment{accomplishments}{                           % 参加科研情况
-    \renewcommand{\baselinestretch}{1.5}                    %
-    \fontsize{12pt}{13pt}\selectfont                        %
+    \renewcommand{\baselinestretch}{1.0}                    %
+    \sDefault                                               %
     \phantomsection\chapter*{\nwpu@page@acp}                %
     \markboth{\nwpu@page@acp}{}                             %
     \addcontentsline{toc}{chapter}{\nwpu@page@acp}          %
diff --git a/yanputhesis.dtx b/yanputhesis.dtx
index a43842f..045f5c3 100644
--- a/yanputhesis.dtx
+++ b/yanputhesis.dtx
@@ -541,12 +541,12 @@ $$a_0+a_1+a_2=\sqrt{233}$$
         \centering
         \begin{subfigure}[t]{0.47\textwidth}
             \centering
-            \includegraphics[scale=0.12]{poster.png}
+            \includegraphics[scale=0.1]{poster.png}
             \caption{\label{subfig:example2-subfig1}}
         \end{subfigure}
         \begin{subfigure}[t]{0.47\textwidth}
             \centering
-            \includegraphics[scale=0.12]{poster.png}
+            \includegraphics[scale=0.1]{poster.png}
             \caption{\label{subfig:example2-subfig2}}
         \end{subfigure}
     \end{minipage}
@@ -796,7 +796,7 @@ int main()
 %%-----------------------------------------------------------------------------%
 \RequirePackage{geometry}                                   % 纸张尺寸及页边距
 %    \end{macrocode}
-% \markdtxchanges{v1.8.5}{2023/11/29}{微调页眉页脚设置}
+% \markdtxchanges{v1.8.1}{2022/12/06}{摘要关键词之间空一行}
 %    \begin{macrocode}
 \geometry{a4paper,                                          % A4 纸张
     left=2.5cm, right=2.5cm, top=2.54cm, bottom=2.54cm,     % 页边距
@@ -1020,16 +1020,16 @@ int main()
 \RequirePackage{setspace}                                   % 空白长度控制
 \RequirePackage{ragged2e}                                   % 对齐
 \DeclareCaptionFont{cWuhao}{\sWuhao}                        % 图表标题为五号
-\captionsetup[table]{labelfont=cWuhao,textfont=cWuhao, aboveskip=10pt, belowskip=0pt}      %
-\captionsetup[figure]{labelfont=cWuhao,textfont=cWuhao, aboveskip=10pt, belowskip=0pt}     %
+\captionsetup[table]{labelfont=cWuhao, textfont=cWuhao, aboveskip=10pt, belowskip=0pt}
+\captionsetup[figure]{labelfont=cWuhao, textfont=cWuhao, aboveskip=10pt, belowskip=0pt}
 %    \end{macrocode}
 % \markdtxchanges{v1.7.0}{2022/10/31}{更新子图、子表格式}
 %    \begin{macrocode}
-\captionsetup[subtable]{labelformat=simple, aboveskip=10pt, belowskip=-5pt}  %
+\captionsetup[subtable]{labelformat=simple, aboveskip=10pt, belowskip=-5pt}
 %    \end{macrocode}
 % \markdtxchanges{v1.8.5}{2023/11/29}{更新子图与子图标题间距}
 %    \begin{macrocode}
-\captionsetup[subfigure]{labelformat=simple, aboveskip=10pt, belowskip=-5pt}%
+\captionsetup[subfigure]{labelformat=simple, aboveskip=10pt, belowskip=-5pt}
 %    \end{macrocode}
 % \markdtxchanges{v1.8.1}{2022/12/06}{重写表格内容为五号格式语句}
 %    \begin{macrocode}
@@ -1804,8 +1804,11 @@ int main()
 %% 附页部分
 %%-----------------------------------------------------------------------------%
 \newenvironment{acknowledgements}{                          % 致谢
-    \renewcommand{\baselinestretch}{1.5}                    %
-    \fontsize{12pt}{13pt}\selectfont                        %
+    \renewcommand{\baselinestretch}{1.0}                    %
+    \sDefault                                               %
+%    \end{macrocode}
+% \markdtxchanges{v1.8.6}{2024/01/16}{微调致谢与页眉间距}
+%    \begin{macrocode}
     \phantomsection\chapter*{\nwpu@page@ack}                %
     \markboth{\nwpu@page@ack}{\nwpu@page@ack}               %
     \addcontentsline{toc}{chapter}{\nwpu@page@ack}          %
@@ -1816,8 +1819,11 @@ int main()
 }{\par \cleardoublepage}                                    %
 %%-----------------------------------------------------------------------------%
 \newenvironment{accomplishments}{                           % 参加科研情况
-    \renewcommand{\baselinestretch}{1.5}                    %
-    \fontsize{12pt}{13pt}\selectfont                        %
+    \renewcommand{\baselinestretch}{1.0}                    %
+    \sDefault                                               %
+%    \end{macrocode}
+% \markdtxchanges{v1.8.6}{2024/01/16}{微调参与科研情况与页眉间距}
+%    \begin{macrocode}
     \phantomsection\chapter*{\nwpu@page@acp}                %
     \markboth{\nwpu@page@acp}{}                             %
     \addcontentsline{toc}{chapter}{\nwpu@page@acp}          %