diff --git a/apps/server/src/modules/acquisition-organize/services/acquisition.ts b/apps/server/src/modules/acquisition-organize/services/acquisition.ts
index d215091e..7688565b 100644
--- a/apps/server/src/modules/acquisition-organize/services/acquisition.ts
+++ b/apps/server/src/modules/acquisition-organize/services/acquisition.ts
@@ -580,6 +580,14 @@ async function evaluateRelease(c: Ctx, rel: SourceReleaseRow, eventUnits: readon
       .executeTakeFirst();
     if (!grant) return skip("no_automation_grant");
     await db.transaction().execute(async (trx) => {
+      // 同一作品的几条资源并发评估时只建一个新作品订阅(否则后建的订阅收录版本同名冲突,被补建成默认版本)
+      await sql`select pg_advisory_xact_lock(hashtextextended(${`new_title:${entity.id}`}, 0))`.execute(trx);
+      const exists = await trx
+        .selectFrom("subscription")
+        .select("id")
+        .where("media_entity_id", "=", entity.id)
+        .executeTakeFirst();
+      if (exists) return;
       const sub = await trx
         .insertInto("subscription")
         .values({