diff --git a/py/tests/test_低端影视.py b/py/tests/test_低端影视.py
index 87e3eb4..7ceddca 100644
--- a/py/tests/test_低端影视.py
+++ b/py/tests/test_低端影视.py
@@ -172,6 +172,16 @@ class TestDDYSSpider(unittest.TestCase):
         self.assertIn("夸克查看$https://pan.quark.cn/s/abc123", vod["vod_play_url"])
         self.assertIn("百度查看$https://pan.baidu.com/s/demo", vod["vod_play_url"])
 
+    def test_extract_pan_sources_deduplicates_same_link_with_different_labels(self):
+        html = """
+        <div class="download-type-content" id="download-type-quark">
+          <button onclick="trackAndOpenResource(atob('aHR0cHM6Ly9wYW4ucXVhcmsuY24vcy8xNGE0MDVhOWJiMGQ='))">查看</button>
+          <button onclick="trackAndOpenResource(atob('aHR0cHM6Ly9wYW4ucXVhcmsuY24vcy8xNGE0MDVhOWJiMGQ='))">一键复制</button>
+        </div>
+        """
+        groups = self.spider._extract_pan_sources(html)
+        self.assertEqual(groups, [{"from": "quark", "urls": "查看$https://pan.quark.cn/s/14a405a9bb0d"}])
+
     @patch.object(Spider, "_request_html")
     def test_detail_content_reads_detail_page_and_returns_single_vod(self, mock_request_html):
         mock_request_html.return_value = """
diff --git a/py/低端影视.py b/py/低端影视.py
index f8351a5..56994f3 100644
--- a/py/低端影视.py
+++ b/py/低端影视.py
@@ -274,6 +274,7 @@ class Spider(BaseSpider):
             if panel_id not in ("quark", "xunlei", "baidu"):
                 continue
             entries = []
+            seen_links = set()
             for button in panel.xpath(".//button[@onclick]"):
                 onclick = (button.xpath("./@onclick") or [""])[0]
                 matched = re.search(r"atob\('([^']+)'\)", onclick)
@@ -284,10 +285,11 @@ class Spider(BaseSpider):
                 except Exception:
                     continue
                 title = self._clean_text("".join(button.xpath(".//text()"))) or panel_id
-                if link:
+                if link and link not in seen_links:
+                    seen_links.add(link)
                     entries.append(f"{title}${link}")
             if entries:
-                groups.append({"from": panel_id, "urls": "#".join(dict.fromkeys(entries))})
+                groups.append({"from": panel_id, "urls": "#".join(entries)})
         return groups
 
     def _parse_detail_page(self, html, vod_id):