diff --git a/Makefile b/Makefile
index 1e6018c..e12bf39 100644
--- a/Makefile
+++ b/Makefile
@@ -109,11 +109,13 @@ updextensions:
 	fi
 
 customslidestheme:
-	@echo "获取模版scss，用于自定义revealjs theme..."; \
-		cp _extensions/drwater/dwinst/slides.scss ./
-		echo "已复制到./slides.scss"; \
-		echo "请指定reveal format中的theme参数。如："; \
-		echo "format:\n  revealjs:\n    theme: slides.scss"
+	@echo "获取模版scss，用于自定义revealjs theme..."
+	@cp "_extensions/drwater/dwinst/slides.scss" ./
+	@echo "已复制到./slides.scss"
+	@echo "请指定reveal format中的theme参数。如："
+	@echo "format:"
+	@echo "  revealjs:"
+	@echo "    theme: slides.scss"
 
 check_git_status:
 	@uncommitted=$$(git status --porcelain); \