diff --git a/gallery_dl/extractor/weibo.py b/gallery_dl/extractor/weibo.py
index 879cd969..b681002f 100644
--- a/gallery_dl/extractor/weibo.py
+++ b/gallery_dl/extractor/weibo.py
@@ -127,10 +127,14 @@ class WeiboExtractor(Extractor):
                 elif pic_type == "livephoto" and self.livephoto:
                     append(pic["largest"].copy())
 
-                    file = {"url": pic["video"]}
-                    file["filename"], _, file["extension"] = \
-                        pic["video"].rpartition("%2F")[2].rpartition(".")
-                    append(file)
+                    url = pic["video"]
+                    fname, _, ext = (
+                        url.rpartition("%2F")[2]
+                        if "%2F" in url else
+                        text.filename_from_url(url)
+                    ).rpartition(".")
+
+                    append({"url": url, "filename": fname, "extension": ext})
 
                 else:
                     append(pic["largest"].copy())
@@ -251,8 +255,10 @@ class WeiboUserExtractor(WeiboExtractor):
     pattern = USER_PATTERN + r"(?:$|#)"
     example = "https://weibo.com/USER"
 
-    def initialize(self):
-        pass
+    # do NOT override 'initialize()'
+    # it is needed for 'self._user_id()'
+    # def initialize(self):
+    #     pass
 
     def items(self):
         base = "{}/u/{}?tabtype=".format(self.root, self._user_id())
diff --git a/test/results/weibo.py b/test/results/weibo.py
index 8f46da3f..a27a26e9 100644
--- a/test/results/weibo.py
+++ b/test/results/weibo.py
@@ -227,13 +227,14 @@ __tests__ = (
 },
 
 {
-    "#url"     : "https://weibo.com/5643044717/KkuDZ4jAA",
-    "#comment" : "type == livephoto (#2146)",
+    "#url"     : "https://weibo.com/3194672795/OuxSwgUrC",
+    "#comment" : "type == livephoto (#2146, #6471)",
     "#category": ("", "weibo", "status"),
     "#class"   : weibo.WeiboStatusExtractor,
-    "#pattern" : r"https://video\.weibo\.com/media/play\?livephoto=https%3A%2F%2Fus\.sinaimg\.cn%2F\w+\.mov",
-    "#range"   : "2,4,6",
+    "#pattern" : r"https://livephoto\.us\.sinaimg\.cn/\w+\.mov\?Expires=\d+&ssig=\w+&KID=unistore,video",
+    "#range"   : "2,4",
 
+    "filename" : {"000yfKhRjx08hBAXxdZ60f0f0100tBPr0k01", "000GEYrCjx08hBAXUFo40f0f0100vS5G0k01"},
     "extension": "mov",
 },