diff --git a/internal/service/stream_normalize_test.go b/internal/service/stream_normalize_test.go
index 52ab92d..775bb62 100644
--- a/internal/service/stream_normalize_test.go
+++ b/internal/service/stream_normalize_test.go
@@ -22,11 +22,18 @@ func TestNormalizeCloudPlayTarget(t *testing.T) {
 	if parsed.IsAbs() || parsed.Host != "" {
 		t.Fatalf("normalized target should be relative, got %q", got)
 	}
-	if parsed.Query().Get("ref") != ref {
-		t.Fatalf("ref round-trip failed: %q", parsed.Query().Get("ref"))
-	}
+		if parsed.Query().Get("ref") != ref {
+			t.Fatalf("ref round-trip failed: %q", parsed.Query().Get("ref"))
+		}
 
-	// 非云盘播放 URL 保持原样（WebDAV/直链等）。
+		strmStale := "http://bwg.linkmy.fun:1314/api/strm/play/cloud115/video.mkv?acct=abc&pickcode=123"
+		gotStrm := normalizeCloudPlayTarget(strmStale)
+		wantStrm := "/api/strm/play/cloud115/video.mkv?acct=abc&pickcode=123"
+		if gotStrm != wantStrm {
+			t.Fatalf("normalizeCloudPlayTarget(strm) = %q, want %q", gotStrm, wantStrm)
+		}
+
+		// 非云盘播放 URL 保持原样（WebDAV/直链等）。
 	passthrough := "https://dav.example.com/media/file.mkv"
 	if got := normalizeCloudPlayTarget(passthrough); got != passthrough {
 		t.Fatalf("non-cloud target should pass through, got %q", got)
diff --git a/internal/service/stream_redirect.go b/internal/service/stream_redirect.go
index 2b56f37..eaa24d3 100644
--- a/internal/service/stream_redirect.go
+++ b/internal/service/stream_redirect.go
@@ -15,11 +15,22 @@ import (
 // /api/cloud/play 路径，由 absoluteInternalRedirect 基于「当前请求」补全
 // host，从而对历史脏数据免疫。
 func normalizeCloudPlayTarget(raw string) string {
-	typ, ref, ok := parseCloudMediaPlaybackURL(raw)
-	if !ok {
+	raw = strings.TrimSpace(raw)
+	if raw == "" {
 		return raw
 	}
-	return BuildRelativeCloudPlayURL(typ, ref)
+	if typ, ref, ok := parseCloudMediaPlaybackURL(raw); ok {
+		return BuildRelativeCloudPlayURL(typ, ref)
+	}
+	if u, err := url.Parse(raw); err == nil {
+		path := strings.ToLower(u.Path)
+		if strings.HasPrefix(path, "/api/strm/play/") || strings.HasPrefix(path, "/api/cloud/play/") || strings.HasPrefix(path, "/api/stream/") {
+			u.Scheme = ""
+			u.Host = ""
+			return u.String()
+		}
+	}
+	return raw
 }
 
 // BuildRelativeCloudPlayURL 构造相对的云盘播放 API 路径。