diff --git a/Makefile b/Makefile
index 7847a04..57debce 100644
--- a/Makefile
+++ b/Makefile
@@ -54,9 +54,9 @@ GREPSTR := " \|(\|)\|^submit\|^analysis\|_cache\|_freeze\|^site_libs\|^www"
 
 all: local upload clean commit push
 	
-force: updrefbib check_git_status updvariable render
+force: updextensions updrefbib check_git_status updvariable render fixtex
 
-local: updrefbib check_git_status updvariable lazyrender
+local: updextensions updrefbib check_git_status updvariable lazyrender fixtex
 
 updmakefile:
 	@if [ "$(OS)" = "OSX" ] && [ "$(HOSTNAME)" = "max" ]; then \
@@ -91,6 +91,17 @@ updrefbib:
 		git commit -m "Update Ref.bib"; \
 	fi
 
+
+
+updextensions:
+	@if [ ! -d "_extensions/drwater/dwms" ]; then \
+		mkdir -p _extensions && \
+		git clone https://git.drwater.net/quarto/drwater.git _extensions/drwater; \
+	else \
+		cd _extensions/drwater && git pull && cd -; \
+	fi
+
+
 check_git_status:
 	@uncommitted=$$(git status --porcelain); \
 	if [ -n "$$uncommitted" ]; then \
@@ -123,6 +134,19 @@ lazyrender:
 render:
 	@quarto render
 
+fixtex:
+	@if [ -f "MS/SM.tex" ]; then \
+		echo "Fixing longtable formatting in SM.tex..."; \
+		$(SEDI) 's/\\end{longtable\*}/\\bottomrule\\noalign{}\n\\end{longtable*}/g' MS/SM.tex; \
+		echo "Compiling with xelatex..."; \
+		cd MS && xelatex SM.tex; \
+		echo "Moving PDF to www directory..."; \
+		mv SM.pdf ../www/MS/ && cd ..; \
+		echo "TeX fixes applied and document rebuilt."; \
+	else \
+		echo "MS/SM.tex not found. Operation skipped."; \
+	fi
+
 commit:
 	@echo "提交修改(commit)..."; \
 		git add .; \