diff --git a/you_get/downloader/cntv.py b/you_get/downloader/cntv.py
index d807ec27..35945ffb 100644
--- a/you_get/downloader/cntv.py
+++ b/you_get/downloader/cntv.py
@@ -13,7 +13,7 @@ def cntv_download_by_id(id, title = None, output_dir = '.', merge = True, info_o
     title = title or info['title']
     video = info['video']
     alternatives = [x for x in video.keys() if x.startswith('chapters')]
-    assert alternatives in (['chapters'], ['chapters', 'chapters2']), alternatives
+    #assert alternatives in (['chapters'], ['chapters', 'chapters2']), alternatives
     chapters = video['chapters2'] if 'chapters2' in video else video['chapters']
     urls = [x['url'] for x in chapters]
     ext = r1(r'\.([^.]+)$', urls[0])
@@ -28,7 +28,7 @@ def cntv_download_by_id(id, title = None, output_dir = '.', merge = True, info_o
         download_urls(urls, title, ext, size, output_dir = output_dir, merge = merge)
 
 def cntv_download(url, output_dir = '.', merge = True, info_only = False):
-    if re.match(r'http://\w+\.cntv\.cn/(\w+/\w+/classpage/video/)?\d+/\d+\.shtml', url):
+    if re.match(r'http://\w+\.cntv\.cn/(\w+/\w+/(classpage/video/)?)?\d+/\d+\.shtml', url):
         id = r1(r'<!--repaste.video.code.begin-->(\w+)<!--repaste.video.code.end-->', get_html(url))
     elif re.match(r'http://xiyou.cntv.cn/v-[\w-]+\.html', url):
         id = r1(r'http://xiyou.cntv.cn/v-([\w-]+)\.html', url)