diff --git a/scripts/build-website.sh b/scripts/build-website.sh
index 41c83e4..419f642 100755
--- a/scripts/build-website.sh
+++ b/scripts/build-website.sh
@@ -5,13 +5,36 @@
 # build the blog files
 cd ../blog
 CONTENTNUM=$(ls content-* | wc -l )
-for ((i=0;i<=$CONTENTNUM;i++))
+for ((i=0;i<$CONTENTNUM;i++))
 do
-	cat filehead "content-$(printf %03d $i)" "quote-$(printf %03d $i)" > blog-00$i
+	padint="$(printf %03d $i)"
+	contentname="content-$padint"
+	quotename="quote-$padint"
+	tailname="tail-$padint"
+	blogname="blog-$padint"
+
+	# interactive tail
+	cp filetail "$tailname"
+	if [[ $i > 0 ]];then
+		padintprev="$(printf %03d $(($i - 1)) )"
+	else
+		padintprev="$(printf %03d 0 )"
+	fi
+	if [[ $(($i+1)) == $CONTENTNUM ]];then
+		padintnext="$(printf %03d 0 )"
+	else
+		padintnext="$(printf %03d $(($i + 1)) )"
+	fi
+	sed -i "s/PREVPADINT/$padintprev/g" "$tailname"
+	sed -i "s/NEXTPADINT/$padintnext/g" "$tailname"
+
+	# cat together
+	cat filehead "$contentname" "$tailname" "$quotename" > "$blogname"
 done
-rm filehead content* quote* .blog.*
 
 # clean up non prod files
+cd ../blog
+rm filehead filetail content* quote* .blog.* tail*
 cd ../
 rm -rf .git scripts .index.html.* README.md
 find . -type f | xargs chmod 600