diff --git a/youtube_dl/extractor/imooc.py b/youtube_dl/extractor/imooc.py
index c2c295206..f42f67873 100644
--- a/youtube_dl/extractor/imooc.py
+++ b/youtube_dl/extractor/imooc.py
@@ -11,37 +11,36 @@ from ..compat import (
 
 class ImoocVideoIE(InfoExtractor):
     _VALID_URL = r'http://www.imooc.com/video/(?P<id>[0-9]+)'
-    _TEST = {
+    _TESTS = [
+        {
+        'url': 'http://www.imooc.com/video/6511',
+        'md5': '756ca7b6e934aedee496e208f290bff3',
+        'info_dict': {
+            'id': '6511',
+            'ext': 'mp4',
+            'title': 'Bash变量与变量分类'}
+    },
+    {
         'url': 'http://www.imooc.com/video/5454',
-        'md5': '03a0f36327721551fce08776fe8f70f1',
+        'md5': '1feb8b14a07f5272b400b271292cc1f6',
         'info_dict': {
             'id': '5454',
             'ext': 'mp4',
-            'title': '3-1 网络环境查看命令',
+            'title': '网络环境查看命令',
         }
     }
+    ]
 
-    # _ANDROID_USER_AGENT = 'Mozilla/5.0 (iPhone; U; CPU iPhone OS 4_3_3 like Mac OS X; en-us) AppleWebKit/533.17.9 (KHTML, like Gecko) Version/5.0.2 Mobile/8J2 Safari/6533.18.5'
-    # _ANDROID_USER_AGENT = 'Mozilla/5.0 (X11; Linux x86_64; rv:10.0) Gecko/20150101 Firefox/20.0 (Chrome)'
     def _real_extract(self, url):
         video_id = self._match_id(url)
-        # android_req = compat_urllib_request.Request(url)
-        # android_req.add_header('User-Agent', self._ANDROID_USER_AGENT)
-        # webpage = self._download_webpage(android_req, video_id, fatal=False)
-        webpage = self._download_webpage(url, video_id)
 
-        print webpage
+        json_url = 'http://www.imooc.com/course/ajaxmediainfo/?mid=%s&mode=flash' % video_id
+        data = self._download_json(json_url, video_id, 'Downloading video formats')
 
-        title = self._search_regex(r'var videoTitle = (.+?)', webpage, 'title')
-        # title = self._search_regex(r'<span class="media-name text-ellipsis">(.+?)</span>', webpage, 'title')
+        url = data['data']['result']['mpath'][0]
+
+        title = data['data']['result']['name']
 
-        # url = self._search_regex(r'property="(.+?)"', webpage, 'url');
-        url = self._search_regex(r'webkit-playsinline src="(.+?)"', webpage, 'url')
-        # url = self._html_search_regex(r'<video x-webkit-airplay="allow" webkit-playsinline="" src="(.*?)"></video>', webpage, 'url')
-        # <video x-webkit-airplay="allow" webkit-playsinline="" src="http://v1.mukewang.com/5495e7e0-0c1b-4d6a-9e2c-f5f145634ba0/M.mp4"></video>
-        # description = self._html_search_regex(
-            # r'(?s)<div class="synopsis">.*?<div class="movie_label_info"[^>]*>(.*?)</div>',
-            # webpage, 'description', fatal=False)
         return {
             'id': video_id,
             'title': title,