diff --git a/py/tests/test_dbku.py b/py/tests/test_dbku.py
index 472692a..0e01dfc 100644
--- a/py/tests/test_dbku.py
+++ b/py/tests/test_dbku.py
@@ -1,4 +1,5 @@
 import unittest
+import base64
 from importlib.machinery import SourceFileLoader
 from pathlib import Path
 from unittest.mock import patch
@@ -128,6 +129,32 @@ class TestDBKUSpider(unittest.TestCase):
         self.assertEqual(result["list"][0]["vod_id"], "https://www.dbku.tv/voddetail/200.html")
         self.assertEqual(result["list"][0]["vod_name"], "详情影片")
 
+    def test_parse_player_data_reads_json_block(self):
+        html = '<script>var player_data = {"url":"https://video.example/a.m3u8","encrypt":"0"};</script>'
+        data = self.spider._parse_player_data(html)
+        self.assertEqual(data["url"], "https://video.example/a.m3u8")
+
+    def test_decode_play_url_by_encrypt_supports_modes_0_1_2_3(self):
+        self.assertEqual(
+            self.spider._decode_play_url_by_encrypt("https://video.example/raw.m3u8", 0),
+            "https://video.example/raw.m3u8",
+        )
+        self.assertEqual(
+            self.spider._decode_play_url_by_encrypt("https%3A//video.example/escape.m3u8", 1),
+            "https://video.example/escape.m3u8",
+        )
+        mode2 = base64.b64encode("https://video.example/base64.m3u8".encode("utf-8")).decode("utf-8")
+        self.assertEqual(
+            self.spider._decode_play_url_by_encrypt(mode2, 2),
+            "https://video.example/base64.m3u8",
+        )
+        mode3_raw = "ABCDEFGHhttps://video.example/trimmed.m3u8HGFEDCBA"
+        mode3 = base64.b64encode(mode3_raw.encode("utf-8")).decode("utf-8")
+        self.assertEqual(
+            self.spider._decode_play_url_by_encrypt("12345678" + mode3, 3),
+            "https://video.example/trimmed.m3u8",
+        )
+
 
 if __name__ == "__main__":
     unittest.main()
diff --git a/py/独播库.py b/py/独播库.py
index 448ca0e..6e74d97 100644
--- a/py/独播库.py
+++ b/py/独播库.py
@@ -1,7 +1,9 @@
 # coding=utf-8
+import base64
+import json
 import re
 import sys
-from urllib.parse import quote
+from urllib.parse import quote, unquote
 
 from lxml import etree
 
@@ -212,3 +214,35 @@ class Spider(BaseSpider):
         vod_id = ids[0]
         html = self._request_html(vod_id, expect_xpath="//*[contains(@class,'title')]|//a[contains(@href,'/vodplay/')]")
         return self._parse_detail_page(html, vod_id)
+
+    def _parse_player_data(self, html):
+        matched = re.search(r"var\s+player_data\s*=\s*(\{[\s\S]*?\})\s*;?\s*</script>", html, re.I)
+        if not matched:
+            matched = re.search(r"var\s+player_[^=]*\s*=\s*(\{[\s\S]*?\})\s*;?\s*</script>", html, re.I)
+        if not matched:
+            return None
+        try:
+            return json.loads(matched.group(1))
+        except Exception:
+            return None
+
+    def _decode_play_url_by_encrypt(self, value, encrypt):
+        raw = str(value or "")
+        mode = int(encrypt or 0)
+        if not raw:
+            return ""
+        try:
+            if mode == 1:
+                return unquote(raw)
+            if mode == 2:
+                decoded = base64.b64decode(raw).decode("utf-8")
+                return unquote(decoded)
+            if mode == 3:
+                text = raw[8:] if len(raw) > 16 else raw
+                text = base64.b64decode(text).decode("utf-8")
+                if len(text) > 16:
+                    text = text[8:-8]
+                return text
+            return raw
+        except Exception:
+            return raw