Use web + ios.

fetchYoutubeSubtitle.py

@@ -133,13 +133,14 @@ async def fetchSubtitlebyType(
         "skip_download": True,
         "socket_timeout": 10,
         "extractor_retries": 0,
+        # "debug_printtraffic": True,
         "extractor_args": {
             "youtube": {
                 "player_skip": [
                     "configs",
                     "initial",
                 ],  # skip "webpage" will cause l2P5PgL1LfI missing some langs,
-                "player_client": ["web"],
+                "player_client": ["ios"],
                 "skip": ["hls", "dash"],  # don't skip "translated_subs"
             }
         },
@@ -246,16 +247,18 @@ def xml_caption_to_srt(xml_captions: str) -> str:
 async def fetchSubtitleUrls(url: str, proxy: Optional[str] = None) -> json:
     ydl_opts = {
         "noplaylist": True,
-        # "writesubtitles": False,
+        "writesubtitles": True,
+        "writeautomaticsub": True,
         # "allsubtitles": False,
-        "listsubtitles": True,
-        # "skip_download": True,
+        # "listsubtitles": True,
+        "skip_download": True,
         "socket_timeout": 10,
         "extractor_retries": 0,
+        # "debug_printtraffic": True,
         "extractor_args": {
             "youtube": {
-                "player_skip": ["configs", "initial"],  # "webpage",
-                "player_client": ["web"],
+                "player_skip": ["configs", "initial"],
+                "player_client": ["ios"],
                 "skip": ["hls", "dash"],  # , "translated_subs"
             }
         },