diff --git a/elegantbook.cls b/elegantbook.cls
index 8481603..2309087 100644
--- a/elegantbook.cls
+++ b/elegantbook.cls
@@ -367,13 +367,13 @@
 {\filcenter\LARGE\enspace\bfseries{\color{structurecolor}\IfAppendix{\appendixname}{\chaptername}\enspace}}{1pt}{\bfseries\color{structurecolor}\LARGE\filcenter}[\ifdefstring{\ELEGANT@base}{hide}{}{\filcenter\base{structurecolor}{88}}]
 
 \titleformat{\section}[hang]{\bfseries}
-{\hspace{-2.45em}\Large\bfseries{\color{structurecolor}\thesection}\enspace}{1pt}{\color{structurecolor}\Large\bfseries\filright}
+{\Large\bfseries{\color{structurecolor}\thesection}\enspace}{1pt}{\color{structurecolor}\Large\bfseries\filright}
 
 \titleformat{\subsection}[hang]{\bfseries}
-{\hspace{-2.45em}\large\bfseries\color{structurecolor}\thesubsection\enspace}{1pt}{\color{structurecolor}\large\bfseries\filright}
+{\large\bfseries\color{structurecolor}\thesubsection\enspace}{1pt}{\color{structurecolor}\large\bfseries\filright}
 
 \titleformat{\subsubsection}[hang]{\bfseries}
-{\hspace{-2.45em}\large\bfseries\color{structurecolor}\thesubsubsection\enspace}{1pt}{\color{structurecolor}\large\bfseries\filright}
+{\large\bfseries\color{structurecolor}\thesubsubsection\enspace}{1pt}{\color{structurecolor}\large\bfseries\filright}
 
 
 \titlespacing{\chapter}{0pt}{-20pt}{1.3\baselineskip}