diff --git a/msmake.bat b/msmake.bat
index ac4437c..2a1beaf 100644
--- a/msmake.bat
+++ b/msmake.bat
@@ -59,7 +59,8 @@ goto end
 ::======================================
 :clean
 echo 删除编译临时文件
-del /f /q /s *.log *.glo *.idx *.ilg *.lof *.ind *.out *.thm *.toc *.lot *.loe *.out.bak *.blg *.synctex.gz
+del /f /q /s *.log *.glo *.ilg *.lof *.ind *.out *.thm *.toc *.lot *.loe *.out.bak *.blg *.synctex.gz
+del /f /q *.idx
 del /f /s *.dvi *.ps
 if {%2}=={more} (goto cleanmore)
 if {%2}=={empty} (goto cleanempty)
@@ -106,4 +107,4 @@ goto end
 ::======================================
 :: 结束符，无任何具体意义
 ::======================================
-:end
\ No newline at end of file
+:end