diff --git a/apps/api/src/repositories/drift_repository.py b/apps/api/src/repositories/drift_repository.py
index 12550fdc..d365223e 100644
--- a/apps/api/src/repositories/drift_repository.py
+++ b/apps/api/src/repositories/drift_repository.py
@@ -154,6 +154,15 @@ class DriftReportRepository:
             )
 
 
+    async def update_narrative(self, report_id: str, narrative: str) -> None:
+        """更新 AI 人話摘要 (Phase 30 ADR-067)"""
+        async with get_db_context() as db:
+            await db.execute(
+                text("UPDATE drift_reports SET narrative_text = :narrative WHERE report_id = :report_id"),
+                {"report_id": report_id, "narrative": narrative},
+            )
+
+
 _drift_repo: DriftReportRepository | None = None
 
 
diff --git a/apps/api/src/services/drift_narrator_service.py b/apps/api/src/services/drift_narrator_service.py
index 2763145f..4a75b1b7 100644
--- a/apps/api/src/services/drift_narrator_service.py
+++ b/apps/api/src/services/drift_narrator_service.py
@@ -112,6 +112,13 @@ class DriftNarratorService:
         narrative = await self._generate_narrative(report, interpretation)
         await self._send_telegram(report, narrative)
 
+        # 寫入 DB narrative_text (Phase 30 ADR-067)
+        try:
+            from src.repositories.drift_repository import get_drift_repository
+            await get_drift_repository().update_narrative(report.report_id, narrative)
+        except Exception as e:
+            logger.warning("drift_narrator_db_write_failed", error=str(e))
+
         # 寫入快取
         await redis.set(cache_key, narrative[:500], ex=CACHE_TTL)