diff --git a/mySkyline-v7.5.log b/mySkyline-v7.5.log
index c44c20d..b78a009 100644
--- a/mySkyline-v7.5.log
+++ b/mySkyline-v7.5.log
@@ -1,4 +1,4 @@
-This is XeTeX, Version 3.141592653-2.6-0.999995 (MiKTeX 23.4) (preloaded format=xelatex 2025.11.26)  31 JAN 2026 16:23
+This is XeTeX, Version 3.141592653-2.6-0.999995 (MiKTeX 23.4) (preloaded format=xelatex 2025.11.26)  31 JAN 2026 16:30
 entering extended mode
  restricted \write18 enabled.
  %&-line parsing enabled.
diff --git a/mySkyline-v7.5.pdf b/mySkyline-v7.5.pdf
index fdb053b..3aa4077 100644
Binary files a/mySkyline-v7.5.pdf and b/mySkyline-v7.5.pdf differ
diff --git a/mySkyline-v7.5.synctex.gz b/mySkyline-v7.5.synctex.gz
index f8f6b1b..887f489 100644
Binary files a/mySkyline-v7.5.synctex.gz and b/mySkyline-v7.5.synctex.gz differ
diff --git a/mySkyline-v7.5.tex b/mySkyline-v7.5.tex
index e965b26..a6a0a3a 100644
--- a/mySkyline-v7.5.tex
+++ b/mySkyline-v7.5.tex
@@ -902,7 +902,7 @@ Moreover, the choice of grid resolution (Zoom Level) is a critical parameter tha
 	\label{fig:index_exp4_2}
 	\subfigure[Various index types]{
 		\begin{minipage}[b]{0.227\textwidth}
-			\includegraphics[width=0.92\textwidth]{exp/index_exp4_1.pdf}
+			\includegraphics[width=0.91\textwidth]{exp/index_exp4_1.pdf}
 		\end{minipage}
 	}
 	\label{fig:index_exp4_1}
@@ -956,13 +956,13 @@ The medium-overlap scenario (Fig.~\ref{fig:cc_exp1}(c)) serves as a transition p
 	\centering
 	\subfigure[The number of clients]{
 		\begin{minipage}[b]{0.227\textwidth}
-			\includegraphics[width=0.95\textwidth]{exp/cc_exp3_1.pdf}
+			\includegraphics[width=0.94\textwidth]{exp/cc_exp3_1.pdf}
 		\end{minipage}
 	}
 	\label{fig:cc_exp3_1}
 	\subfigure[The number of clients]{
 		\begin{minipage}[b]{0.227\textwidth}
-			\includegraphics[width=0.95\textwidth]{exp/cc_exp3_2.pdf}
+			\includegraphics[width=0.97\textwidth]{exp/cc_exp3_2.pdf}
 		\end{minipage}
 	}
 	\label{fig:cc_exp3_2}
@@ -1015,13 +1015,13 @@ For comparison, we benchmark against three representative tuning strategies:
 	\centering
 	\subfigure[Tuning steps]{
 		\begin{minipage}[b]{0.227\textwidth}
-			\includegraphics[width=0.95\textwidth]{exp/tune_exp1_1.pdf}
+			\includegraphics[width=0.94\textwidth]{exp/tune_exp1_1.pdf}
 		\end{minipage}
 	}
 	\label{fig:tune_exp1_1}
 	\subfigure[Time (mins)]{
 		\begin{minipage}[b]{0.227\textwidth}
-			\includegraphics[width=0.95\textwidth]{exp/tune_exp1_2.pdf}
+			\includegraphics[width=0.97\textwidth]{exp/tune_exp1_2.pdf}
 		\end{minipage}
 	}
 	\label{fig:tune_exp1_2}