diff --git a/you_get/common.py b/you_get/common.py
index f78355a7046af9ad24ad1d12ccd391a8f98f8fd7..e2ab59a22ed0fa6cff36f69f769355764bde641f 100644
--- a/you_get/common.py
+++ b/you_get/common.py
@@ -132,9 +132,17 @@ def url_info(url, faker = False):
     if type in mapping:
         ext = mapping[type]
     else:
-        ext = None
+        type = None
+        filename = parse.unquote(r1(r'filename="?(.+)"?', headers['content-disposition']))
+        if len(filename.split('.')) > 1:
+            ext = filename.split('.')[-1]
+        else:
+            ext = None
     
-    size = int(headers['content-length'])
+    if headers['transfer-encoding'] != 'chunked':
+        size = int(headers['content-length'])
+    else:
+        size = None
     
     return type, ext, size
 
@@ -357,7 +365,6 @@ def download_urls(urls, title, ext, total_size, output_dir = '.', refer = None,
         print('Real URLs:\n', urls, '\n')
         return
     
-    #assert ext in ('3gp', 'flv', 'mp4', 'webm')
     if not total_size:
         try:
             total_size = urls_size(urls)
@@ -506,7 +513,7 @@ def playlist_not_supported(name):
 def print_info(site_info, title, type, size):
     if type in ['3gp']:
         type = 'video/3gpp'
-    elif type in ['asf']:
+    elif type in ['asf', 'wmv']:
         type = 'video/x-ms-asf'
     elif type in ['flv', 'f4v']:
         type = 'video/x-flv'
diff --git a/you_get/downloader/googleplus.py b/you_get/downloader/googleplus.py
index 27789e96d9719653871e414b6e6bc0221ce35060..6b9257fac5839d6e16e1c840661acb1616357ddb 100644
--- a/you_get/downloader/googleplus.py
+++ b/you_get/downloader/googleplus.py
@@ -20,8 +20,10 @@ def googleplus_download(url, output_dir = '.', merge = True, info_only = False):
         html = get_html(url2)
         html = parse.unquote(html.replace('\/', '/'))
     
-    real_url = unicodize(r1(r'"(https://video.googleusercontent.com/[^"]*)"', html).replace('\/', '/'))
-    if not real_url:
+    real_url = unicodize(r1(r'"(https://video.googleusercontent.com/[^"]*)",1\]', html).replace('\/', '/'))
+    if real_url:
+        type, ext, size = url_info(real_url)
+    if not real_url or not size:
         url_data = re.findall(r'(\[[^\[\"]+\"http://redirector.googlevideo.com/.*\"\])', html)
         for itag in [
             '38',
@@ -46,10 +48,12 @@ def googleplus_download(url, output_dir = '.', merge = True, info_only = False):
                 break
         real_url = unicodize(real_url)
     
-    _, _, size = url_info(real_url)
-    type, ext = 'video/mp4', 'mp4'
+        type, ext, size = url_info(real_url)
     
-    print_info(site_info, title, type, size)
+    if not ext:
+        ext = 'mp4'
+    
+    print_info(site_info, title, ext, size)
     if not info_only:
         download_urls([real_url], title, ext, size, output_dir, merge = merge)