diff --git a/ebook/genepub.sh b/ebook/genepub.sh
index 656ca7a1..81c4a758 100644
--- a/ebook/genepub.sh
+++ b/ebook/genepub.sh
@@ -1,32 +1,32 @@
-#!/bin/bash
-if ! which pandoc >/dev/null ;then
-	echo "请先安装pandoc，然后再次运行"
-	exit 0
-fi
-[ -f build-web-application-with-golang ] || go build
-[ -d html ] || mkdir html
-pushd html >/dev/null; cp ../*.md .
-sed -i 's!https://github.com/astaxie/build-web-application-with-golang/blob/master/!!g' README.md
-for i in *.md;do
-	#重新格式化md文件
-	sed -i  '/^[#]\{1,\}/s!^\([#]\{1,\}\)\([^#]\{1,\}\)!\1 \2!' $i #以#开头的行，在#后增加空格
-	sed -i  '/^[#]\{1,\}/s!  ! !' $i  #以#开头的行, 删除多余的空格
-	#sed -i  '/!\[\](images/s#images\(.*\)?raw=true#../Images\1#' $i
-	sed -i  '/!\[\](images/s#images\(.*\)?raw=true#../images\1#' $i #处理md文件中的image src属性
-	sed -i '/[#]\{2,\} links/,/[ ]\{0,\}Id\$.*/d' $i #删除页面链接
-done
-../build-web-application-with-golang >/dev/null
-list="README.html `ls [0-9]*.html |sort -h` LICENSE.html"
-cat > metadata.txt <<EOF
-<dc:creator>Astaxie</dc:creator>
-<dc:description>一本开源的Go Web编程书籍</dc:description>
-<dc:language>zh-CN</dc:language>
-<dc:rights>Creative Commons</dc:rights>
-<dc:title>Go Web编程</dc:title>
-EOF
-
-pandoc --reference-links -S --toc -f html -t epub --epub-metadata=metadata.txt --epub-cover-image=../images/cover.png \
--o ../build-web-application-with-golang.epub $list
-popd >/dev/null
-rm -rf html
-echo "build-web-application-with-golang.epub 已经建立"
+#!/bin/bash
+if ! which pandoc >/dev/null ;then
+	echo "请先安装pandoc，然后再次运行"
+	exit 0
+fi
+[ -f build-web-application-with-golang ] || go build
+[ -d html ] || mkdir html
+pushd html >/dev/null; cp ../*.md .
+sed -i 's!https://github.com/astaxie/build-web-application-with-golang/blob/master/!!g' README.md
+for i in *.md;do
+	#重新格式化md文件
+	sed -i  '/^[#]\{1,\}/s!^\([#]\{1,\}\)\([^#]\{1,\}\)!\1 \2!' $i #以#开头的行，在#后增加空格
+	sed -i  '/^[#]\{1,\}/s!  ! !' $i  #以#开头的行, 删除多余的空格
+	#sed -i  '/!\[\](images/s#images\(.*\)?raw=true#../Images\1#' $i
+	sed -i  '/!\[\](images/s#images\(.*\)?raw=true#../images\1#' $i #处理md文件中的image src属性
+	sed -i '/[#]\{2,\} links/,/[ ]\{0,\}Id\$.*/d' $i #删除页面链接
+done
+../build-web-application-with-golang >/dev/null
+list="README.html `ls [0-9]*.html |sort -h` LICENSE.html"
+cat > metadata.txt <<EOF
+<dc:creator>Astaxie</dc:creator>
+<dc:description>一本开源的Go Web编程书籍</dc:description>
+<dc:language>zh-CN</dc:language>
+<dc:rights>Creative Commons</dc:rights>
+<dc:title>Go Web编程</dc:title>
+EOF
+
+pandoc --reference-links -S --toc -f html -t epub --epub-metadata=metadata.txt --epub-cover-image=../images/cover.png \
+-o ../build-web-application-with-golang.epub $list
+popd >/dev/null
+rm -rf html
+echo "build-web-application-with-golang.epub 已经建立"