diff --git a/index.js b/index.js
index 59da07d..c26fa7d 100644
--- a/index.js
+++ b/index.js
@@ -1,57 +1,62 @@
 'use strict';
 var cheerio = require('cheerio');
-
-// http://stackoverflow.com/questions/14480345/how-to-get-the-nth-occurrence-in-a-string
-function getPosition(str, m, i) {
-  return str.split(m, i).join(m).length;
-}
-
-hexo.extend.filter.register('after_post_render', function(data){
-  var config = hexo.config;
-  if(config.post_asset_folder){
-    var link = data.permalink;
-	var beginPos = getPosition(link, '/', 3) + 1;
-	// In hexo 3.1.1, the permalink of "about" page is like ".../about/index.html".
-	var endPos = link.lastIndexOf('/') + 1;
-    link = link.substring(beginPos, endPos);
-
-    var toprocess = ['excerpt', 'more', 'content'];
-    for(var i = 0; i < toprocess.length; i++){
-      var key = toprocess[i];
- 
-      var $ = cheerio.load(data[key], {
-        ignoreWhitespace: false,
-        xmlMode: false,
-        lowerCaseTags: false,
-        decodeEntities: false
-      });
-
-      $('img').each(function(){
-		if ($(this).attr('src')){
-			// For windows style path, we replace '\' to '/'.
-			var src = $(this).attr('src').replace('\\', '/');
-			if(!/http[s]*.*|\/\/.*/.test(src) &&
-			   !/^\s*\//.test(src)) {
-			  // For "about" page, the first part of "src" can't be removed.
-			  // In addition, to support multi-level local directory.
-			  var linkArray = link.split('/').filter(function(elem){
-				return elem != '';
-			  });
-			  var srcArray = src.split('/').filter(function(elem){
-				return elem != '' && elem != '.';
-			  });
-			  if(srcArray.length > 1)
-				srcArray.shift();
-			  src = srcArray.join('/');
-			  $(this).attr('src', config.root + link + src);
-			  console.info&&console.info("update link as:-->"+config.root + link + src);
+hexo.extend.filter.register('after_post_render', function (data) {
+	var config = hexo.config;
+	if (config.post_asset_folder) {
+		var link = data.permalink;
+		var getPosition = (str, m, i)=> str.split(m, i).join(m).length;
+		var beginPos = getPosition(link, '/', 3) + 1;
+		var endPos = link.lastIndexOf('/') + 1;
+		link = link.substring(beginPos, endPos);
+		var toprocess = ['excerpt', 'more', 'content'];
+		for (var i = 0; i < toprocess.length; i++) {
+			var key = toprocess[i];
+			var $ = cheerio.load(data[key], {
+				ignoreWhitespace: false,
+				xmlMode: false,
+				lowerCaseTags: false,
+				decodeEntities: false
+			});
+			var prefix = data['source'].replace(/(.+\/)?([^\/]+)\.md$/, '$2');
+			var get_assets = assets => {
+				var paths = assets.split('/').filter(elem => elem != '' && elem != '.');
+				if (paths.length >= 2) {
+					if (paths[0] == prefix) {
+						paths.shift();
+						return paths.join('/');
+					}
+				}
+				return false;
 			}
-		}else{
-			console.info&&console.info("no src attr, skipped...");
-			console.info&&console.info($(this));
+			$('img').each(function () {
+				if ($(this).attr('src')) {
+					var attr = 'src';
+					if ($(this).attr('data-src')) {
+						attr = 'data-src';
+					}
+					var src = $(this).attr(attr).replace('\\', '/');
+					if (!/https?\:\/\//.test(src) && !/^\#/.test(src)) {
+						var dest = get_assets(src);
+						if (dest) {
+							$(this).attr(attr, dest);
+							// console.info && console.info('image src ' + src + " --> " + dest);
+						}
+					}
+				}
+			});
+			$('a').each(function () {
+				if ($(this).attr('href')) {
+					var src = $(this).attr('href').replace('\\', '/');
+					if (!/https?\:\/\//.test(src) && !/^\#/.test(src)) {
+						var dest = get_assets(src);
+						if (dest) {
+							$(this).attr('href', dest);
+							// console.info && console.info('link href ' + src + " --> " + dest);
+						}
+					}
+				}
+			});
+			data[key] = $.html();
 		}
-      });
-      data[key] = $.html();
-    }
-  }
+	}
 });