diff --git a/packages/domain/src/release-parser/parse.ts b/packages/domain/src/release-parser/parse.ts
index 5b581531..0b01f9e4 100644
--- a/packages/domain/src/release-parser/parse.ts
+++ b/packages/domain/src/release-parser/parse.ts
@@ -45,6 +45,8 @@ type Draft = ParsedRelease & {
   _fin?: boolean;
   _disc?: boolean;
   _remux?: boolean;
+  /** 标题里有 BDRip / BRRip(压制) */
+  _rip?: boolean;
   /** `{[k=v;…]}` 显式身份块里的季/集/类型,finalize 时覆盖推断值 */
   _explicit?: { season?: number; seasonEnd?: number; episodes?: EpisodeRange; tv?: boolean };
 };
@@ -746,6 +748,7 @@ function walkTokens(tokens: string[], d: Draft): void {
   const cnTitle = cn.join(" ").trim();
   if (enTitle) d.titleEn = enTitle;
   if (cnTitle) d.titleCn = cnTitle;
+  if (ripWord) d._rip = true;
   if (d._remux) d.source = "REMUX";
   else if (d._disc) d.source = "BluRay-Disc";
   else if (blurayWord && discCodec && !encodeCodec && !ripWord && !d.encoder && sources.size === 1) {
@@ -1077,9 +1080,40 @@ export function parseRelease(input: string, opts: ParseOptions = {}): ParsedRele
     }
   }
 
+  // 14. 原盘线索:标题的编码字样不足以判定时,参考副标题 / 简介里的明确说法与无损 PCM 音轨
+  refineDisc(d, s, subtitle);
+
   return finalize(d, opts);
 }
 
+/** 明确说是原盘:原盘(不含「原盘压制」)、BDMV、自购自抓 / 自抓自扫、Blu-ray Disc、DIY(原盘 DIY) */
+const DISC_CUE =
+  /原[盘盤](?![\s:：]*(?:压|壓|rip|转|轉))|BDMV|自[购購]自抓|自抓自[扫掃]|Blu-?ray[\s.]+Disc|(?<![A-Za-z])DIY(?![A-Za-z])/i;
+/** 明确说是压制或其他来源 */
+const ENCODE_CUE =
+  /自[压壓]|[压壓]制|重[编編]码|(?<![A-Za-z])(?:[xX]\.?26[45]|BDRip|BRRip|WEB-?DL|WEBRip|HDTV|Remux)(?![A-Za-z])/i;
+
+/**
+ * 原盘补判(对照 MP 内置规则 BLU 之外的站点惯例):标题写成 `Bluray H.264` 这类压制字样、但副标题写「自购自抓自扫」,
+ * 或带 LPCM / PCM 音轨又没有 x264 / x265 / BDRip / 压制说法的,按原盘。只在来源是 BluRay(或标题没写来源但有分辨率)时补判,
+ * WEB / HDTV / Remux 不动。
+ */
+function refineDisc(d: Draft, title: string, subtitle: string | undefined): void {
+  // 单个视频文件(mkv / mp4 …)不会是原盘
+  if (d.isFile || d._rip || d.encoder || d._remux || d.source === "BluRay-Disc") return;
+  if (d.source !== "BluRay" && !(d.source === undefined && d.resolution)) return;
+  const text = subtitle ? `${title} | ${subtitle}` : title;
+  if (ENCODE_CUE.test(text)) return;
+  const pcm = d.source === "BluRay" && d.audio.some((a) => /^L?PCM\b/i.test(a));
+  if (DISC_CUE.test(text)) {
+    d.source = "BluRay-Disc";
+    d.evidence.push("source:disc_hint");
+  } else if (pcm) {
+    d.source = "BluRay-Disc";
+    d.evidence.push("source:disc_pcm");
+  }
+}
+
 function applyCnMarkers(d: Draft, cm: CnMarkers, prefix: string): void {
   const ev = d.evidence;
   const note = (k: string) => {
@@ -1171,7 +1205,7 @@ function finalize(d: Draft, opts: ParseOptions): ParsedRelease {
   d.title = d.titleCn ?? d.titleEn;
   d.confidence = confidenceOf(d);
 
-  const { _complete, _fin, _disc, _remux, _explicit, ...out } = d;
+  const { _complete, _fin, _disc, _remux, _rip, _explicit, ...out } = d;
   return out;
 }
 
diff --git a/packages/domain/test/release-parser.test.ts b/packages/domain/test/release-parser.test.ts
index 0e2d4691..670989a8 100644
--- a/packages/domain/test/release-parser.test.ts
+++ b/packages/domain/test/release-parser.test.ts
@@ -627,6 +627,113 @@ describe("MP 差分补迁写法", () => {
   });
 });
 
+// 原盘补判(SEARCH 准确度):站点搜索「药屋少女的呢喃」的真实结果。标题写成压制字样、但副标题说「自购自抓自扫」的是原盘;
+// LPCM / PCM 音轨且没有 x264 / x265 / BDRip / 压制说法的也是原盘。普通压制、WEB-DL、Remux 不受影响。
+const DISC_HINTS: Sample[] = [
+  {
+    id: "DISC-sub-self-rip",
+    input: "Kusuriya no Hitorigoto 2025 S02 1080p Bluray H.264 LPCM-@U2",
+    subtitle: "自购自抓自扫 | Team HAYAKU | Animate特典附 | TBR35041D 药屋少女的呢喃 第二季",
+    expect: { source: "BluRay-Disc", isEncode: false },
+  },
+  {
+    id: "DISC-sub-bdmv",
+    input: "The Apothecary Diaries 2025 S02 1080p Blu-ray H.264-GRP",
+    subtitle: "药屋少女的呢喃 第二季 BDMV Vol.1",
+    expect: { source: "BluRay-Disc" },
+  },
+  {
+    id: "DISC-sub-yuanpan",
+    input: "Some Show S01 1080p BluRay H.264 DTS-HD MA 5.1-GRP",
+    subtitle: "某剧 第一季 原盘 中字",
+    expect: { source: "BluRay-Disc" },
+  },
+  {
+    id: "DISC-pcm",
+    input: "Some Movie 2020 1080p BluRay LPCM 2.0-GRP",
+    expect: { source: "BluRay-Disc", isEncode: false },
+  },
+  // 已按编码字样判成原盘的不变
+  {
+    id: "DISC-avc-lpcm",
+    input: "Kusuriya no Hitorigoto S02 2025 Blu-ray 1080p AVC LPCM  2Audio-@U2",
+    subtitle: "Team HAYAKU | Animate全卷特典附 药屋少女的呢喃 第二季",
+    expect: { source: "BluRay-Disc" },
+  },
+  {
+    id: "DISC-bdmv-rip-welcome",
+    input: "The Apothecary Diaries Vol.3 2025 BDMV 1080p AVC LPCM  2.0-Arri-RAWS@U2",
+    subtitle: "U2 Exclusive, RIPs welcomed with credits | 制作RIP请注明出处 | 药屋少女的呢喃/药师少女的独语 S2",
+    expect: { source: "BluRay-Disc" },
+  },
+  // 反例:压制
+  {
+    id: "ENC-self-encode",
+    input: "Kusuriya no Hitorigoto 2023 BDRip 1080p AVC FLAC@U2",
+    subtitle: "药师少女的呢喃/Kusuriya no Hitorigoto/薬屋のひとりごと 1080p 自压(附相关专辑) TV 01-24 Fin+SP",
+    expect: { source: "BluRay", isEncode: true },
+  },
+  {
+    id: "ENC-x265",
+    input: "The Apothecary Diaries S01 2023 1080p BluRay x265 10bit FLAC 2.0-ADE",
+    subtitle: "药屋少女的呢喃 / 药师少女的独语 / The Apothecary Diaries / 薬屋のひとりごと 【简日|繁日|简|繁|日字幕】",
+    expect: { source: "BluRay", isEncode: true },
+  },
+  {
+    id: "ENC-x264",
+    input: "Kusuriya no Hitorigoto S01 Complete 2023 1080p Blu-ray x264 FLAC-jsum@U2",
+    subtitle: "药屋少女的呢喃 / 药师少女的独语 / 薬屋のひとりごと",
+    expect: { source: "BluRay", isEncode: true },
+  },
+  {
+    id: "ENC-av1",
+    input: "Kusuriya no Hitorigoto S02 1080p BluRay AV1 OPUS 2.0-7³ACG@OurBits",
+    subtitle: "药师少女的独语第2季/薬屋のひとりごと 第2期 | 01-24(25-48) 日语+简繁字幕",
+    expect: { source: "BluRay", isEncode: true },
+  },
+  { id: "ENC-x264-lpcm", input: "Some Movie 2020 1080p BluRay x264 LPCM 2.0-GRP", expect: { source: "BluRay" } },
+  {
+    id: "ENC-from-disc",
+    input: "Some Movie 2020 1080p BluRay H.264 FLAC-GRP",
+    subtitle: "基于原盘压制 简繁字幕",
+    expect: { source: "BluRay" },
+  },
+  {
+    id: "ENC-pcm-encode-note",
+    input: "Some Movie 2020 1080p BluRay H.264 LPCM-GRP",
+    subtitle: "自压 内封字幕",
+    expect: { source: "BluRay" },
+  },
+  // 反例:其他来源不受副标题影响
+  {
+    id: "WEB-sub-yuanpan",
+    input: "Some Movie 2020 1080p WEB-DL H.264 AAC-GRP",
+    subtitle: "原盘 DIY 还没出，先发 WEB",
+    expect: { source: "WEB-DL" },
+  },
+  {
+    id: "REMUX-diy",
+    input: "The Apothecary Diaries S01 2023 1080p BluRay Remux AVC FLAC 2.0-ADE",
+    subtitle: "药屋少女的呢喃 【DIY / 双语简繁字幕】",
+    expect: { source: "REMUX" },
+  },
+  // 标题里写着 2160P 的非发布名(播放器解码信息):按字面解析,不猜
+  {
+    id: "WEB-2160-literal",
+    input:
+      "The Apothecary Diaries  2023   S01E24   2160P TV WEB-DL MPEG-4   AVC1 - Native D3D9 DXVA Decoder VLD   AAC LC  -Kisssub",
+    subtitle:
+      "药屋少女的呢喃 薬屋のひとりごと (2023) 2160P  TVS01 [01-24]（AI增强1080P转2160P） AVC1 @5160kbps   AAC @128kbps",
+    expect: { source: "WEB-DL", resolution: "2160p" },
+  },
+];
+
+describe("原盘补判(副标题线索 / PCM 音轨)", () => {
+  for (const s of DISC_HINTS) {
+    it(`${s.id} ${s.input}`, () => check(parseRelease(s.input, s.subtitle ? { subtitle: s.subtitle } : {}), s.expect));
+  }
+});
+
 describe("parseRelease 样本表", () => {
   it("样本数量 ≥ 60", () => {
     expect(TITLES.length).toBeGreaterThanOrEqual(60);