diff --git a/backend/app/api/maps.py b/backend/app/api/maps.py
index 65199ffd..c4e0cfd6 100644
--- a/backend/app/api/maps.py
+++ b/backend/app/api/maps.py
@@ -109,6 +109,20 @@ def update_map(map_id: int, data: dict, db: Session = Depends(get_db)):
     return m_to_dict(m)
 
 
+# ── 删除地图 ─────────────────────────────────
+
+
+@router.delete("/{map_id}")
+def delete_map(map_id: int, db: Session = Depends(get_db)):
+    """删除战略地图"""
+    m = db.query(StrategicMap).filter(StrategicMap.id == map_id).first()
+    if not m:
+        raise HTTPException(404, "战略地图不存在")
+    db.delete(m)
+    db.commit()
+    return {"message": "已删除"}
+
+
 # ── 连线管理 ─────────────────────────────────
 
 def _get_connections(m: StrategicMap) -> list: