diff --git a/src/you_get/extractors/qq.py b/src/you_get/extractors/qq.py
index 9ca8af82..f1707527 100644
--- a/src/you_get/extractors/qq.py
+++ b/src/you_get/extractors/qq.py
@@ -7,22 +7,67 @@ from .qie import download as qieDownload
 from urllib.parse import urlparse,parse_qs
 
 def qq_download_by_vid(vid, title, output_dir='.', merge=True, info_only=False):
-    api = "http://h5vv.video.qq.com/getinfo?otype=json&platform=10901&vid=%s" % vid
-    content = get_html(api)
-    output_json = json.loads(match1(content, r'QZOutputJson=(.*)')[:-1])
-    url = output_json['vl']['vi'][0]['ul']['ui'][0]['url']
-    fvkey = output_json['vl']['vi'][0]['fvkey']
-    mp4 = output_json['vl']['vi'][0]['cl'].get('ci', None)
-    if mp4:
-        mp4 = mp4[0]['keyid'].replace('.10', '.p') + '.mp4'
-    else:
-        mp4 = output_json['vl']['vi'][0]['fn']
-    url = '%s/%s?vkey=%s' % ( url, mp4, fvkey )
-    _, ext, size = url_info(url, faker=True)
+    info_api = 'http://vv.video.qq.com/getinfo?otype=json&appver=3%2E2%2E19%2E333&platform=11&defnpayver=1&vid=' + vid
+    info = get_html(info_api)
+    video_json = json.loads(match1(info, r'QZOutputJson=(.*)')[:-1])
+    parts_vid = video_json['vl']['vi'][0]['vid']
+    parts_ti = video_json['vl']['vi'][0]['ti']
+    parts_prefix = video_json['vl']['vi'][0]['ul']['ui'][0]['url']
+    parts_formats = video_json['fl']['fi']
+    # find best quality
+    # only looking for fhd(1080p) and shd(720p) here.
+    # 480p usually come with a single file, will be downloaded as fallback.
+    best_quality = ''
+    for part_format in parts_formats:
+        if part_format['name'] == 'fhd':
+            best_quality = 'fhd'
+            break
 
-    print_info(site_info, title, ext, size)
-    if not info_only:
-        download_urls([url], title, ext, size, output_dir=output_dir, merge=merge)
+        if part_format['name'] == 'shd':
+            best_quality = 'shd'
+
+    for part_format in parts_formats:
+        if (not best_quality == '') and (not part_format['name'] == best_quality):
+            continue
+        part_format_id = part_format['id']
+        part_format_sl = part_format['sl']
+        if part_format_sl == 0:
+            part_urls= []
+            total_size = 0
+            try:
+                # For fhd(1080p), every part is about 100M and 6 minutes
+                # try 100 parts here limited download longest single video of 10 hours.
+                for part in range(1,100):
+                    filename = vid + '.p' + str(part_format_id % 1000) + '.' + str(part) + '.mp4'
+                    key_api = "http://vv.video.qq.com/getkey?otype=json&platform=11&format=%s&vid=%s&filename=%s" % (part_format_id, parts_vid, filename)
+                    #print(filename)
+                    #print(key_api)
+                    part_info = get_html(key_api)
+                    key_json = json.loads(match1(part_info, r'QZOutputJson=(.*)')[:-1])
+                    #print(key_json)
+                    vkey = key_json['key']
+                    url = '%s/%s?vkey=%s' % (parts_prefix, filename, vkey)
+                    part_urls.append(url)
+                    _, ext, size = url_info(url, faker=True)
+                    total_size += size
+            except:
+                pass
+            print_info(site_info, parts_ti, ext, total_size)
+            if not info_only:
+                download_urls(part_urls, parts_ti, ext, total_size, output_dir=output_dir, merge=merge)
+        else:
+            fvkey = output_json['vl']['vi'][0]['fvkey']
+            mp4 = output_json['vl']['vi'][0]['cl'].get('ci', None)
+            if mp4:
+                mp4 = mp4[0]['keyid'].replace('.10', '.p') + '.mp4'
+            else:
+                mp4 = output_json['vl']['vi'][0]['fn']
+            url = '%s/%s?vkey=%s' % ( parts_prefix, mp4, fvkey )
+            _, ext, size = url_info(url, faker=True)
+
+            print_info(site_info, title, ext, size)
+            if not info_only:
+                download_urls([url], title, ext, size, output_dir=output_dir, merge=merge)
 
 
 def qq_download(url, output_dir='.', merge=True, info_only=False, **kwargs):