diff --git a/app/modules/indexer/spider/__init__.py b/app/modules/indexer/spider/__init__.py
index 3400967e..341f15a9 100644
--- a/app/modules/indexer/spider/__init__.py
+++ b/app/modules/indexer/spider/__init__.py
@@ -678,6 +678,9 @@ class SiteSpider:
         """
         if not link:
             return None
+        parsed_link = urlparse(link)
+        if parsed_link.scheme:
+            return link
         if not link.startswith("http"):
             if link.startswith("//"):
                 return self.domain.split(":")[0] + ":" + link
diff --git a/tests/test_subtitle_search.py b/tests/test_subtitle_search.py
index 46af0ca8..c40a52f7 100644
--- a/tests/test_subtitle_search.py
+++ b/tests/test_subtitle_search.py
@@ -396,6 +396,7 @@ def test_subtitle_site_spider_uses_direct_nexus_row(monkeypatch):
 
     assert [item["title"] for item in result] == ["The.Capture.S01", "The.Capture.S02"]
     assert result[0]["language"] == "添加时间"
+    assert result[0]["language_icon"] == "data:image/svg+xml;base64,xxx"
     assert result[1]["language"] == "English"