diff --git a/app/modules/malaysia/router.py b/app/modules/malaysia/router.py
index a2b1c93..99979b5 100644
--- a/app/modules/malaysia/router.py
+++ b/app/modules/malaysia/router.py
@@ -495,26 +495,47 @@ async def rack_export(request: Request) -> StreamingResponse:
     from openpyxl.styles import Alignment, Font, PatternFill  # noqa: WPS433
     from openpyxl.utils import get_column_letter  # noqa: WPS433
 
+    # 아이템별 합계(코드 기준 수량 합산). 코드→이름 보존, 코드순 정렬.
+    summary: dict[str, int] = {}
+    for code, _name, qty, _cell in rows:
+        summary[code] = summary.get(code, 0) + qty
+    summary_rows = sorted(
+        ((code, names.get(code, code), total) for code, total in summary.items()),
+        key=lambda r: r[0],
+    )
+
+    fill = PatternFill(start_color="FF4472C4", end_color="FF4472C4", fill_type="solid")
+    font = Font(color="FFFFFFFF", bold=True)
+    center = Alignment(horizontal="center", vertical="center")
+
+    def _style_header(row_idx: int, ncols: int) -> None:
+        for col in range(1, ncols + 1):
+            cell = ws.cell(row=row_idx, column=col)
+            cell.fill = fill
+            cell.font = font
+            cell.alignment = center
+
     wb = Workbook()
     ws = wb.active
     ws.title = "rack"
+
+    # ── 상세 표 ──
     header = ["아이템 코드", "이름", "수량", "랙번호"]
     ws.append(header)
     for code, name, qty, cell in rows:
         ws.append([code, name, qty, cell])
+    _style_header(1, len(header))
+    detail_last = ws.max_row  # 자동필터 범위(상세표만)
+    ws.auto_filter.ref = f"A1:{get_column_letter(len(header))}{detail_last}"
 
-    # 제목행: 파랑 배경 + 흰색 굵은글씨 + 가운데 정렬
-    fill = PatternFill(start_color="FF4472C4", end_color="FF4472C4", fill_type="solid")
-    font = Font(color="FFFFFFFF", bold=True)
-    center = Alignment(horizontal="center", vertical="center")
-    for col in range(1, len(header) + 1):
-        cell = ws.cell(row=1, column=col)
-        cell.fill = fill
-        cell.font = font
-        cell.alignment = center
-
-    # 표 전체 자동필터
-    ws.auto_filter.ref = ws.dimensions
+    # ── 아이템별 합계 표 (상세표 아래, 한 줄 띄움) ──
+    ws.append([])
+    sum_header_row = ws.max_row + 1
+    sum_header = ["아이템 코드", "이름", "합계 수량"]
+    ws.append(sum_header)
+    for code, name, total in summary_rows:
+        ws.append([code, name, total])
+    _style_header(sum_header_row, len(sum_header))
 
     # 열너비 자동(내용 길이 기준, 한글 폭 보정). 최소 8 ~ 최대 50.
     for col in range(1, len(header) + 1):