diff --git a/B06_Section/B06_Section_Router_Confirm.py b/B06_Section/B06_Section_Router_Confirm.py
index 8b5455f6..1f66658c 100644
--- a/B06_Section/B06_Section_Router_Confirm.py
+++ b/B06_Section/B06_Section_Router_Confirm.py
@@ -214,7 +214,6 @@ async def save_sections(
     통째로 버려져 조작값이 사라진다. 그래서 여기서 정본 행을 만든다.
     """
     pool = get_db_pool()
-    marks = [("시작", time.perf_counter())]
     try:
         async with pool.acquire() as connection:
             existing = await get_longitudinal_section(connection, project_id, route_id)
@@ -243,8 +242,6 @@ async def save_sections(
                 request.standard_cross_section if request else None,
             )
 
-        marks.append(("기본설계 계산(미지정 측점)", time.perf_counter()))
-
         async with pool.acquire() as connection:
             await connection.begin()
             try:
@@ -287,6 +284,7 @@ async def confirm_sections(
     자동 계산 체인용 — 데이터만 확정하고 stage 3을 IN_PROGRESS(검토 대기)로 남긴다.
     """
     pool = get_db_pool()
+    marks = [("시작", time.perf_counter())]
     try:
         async with pool.acquire() as connection:
             existing = await get_longitudinal_section(connection, project_id, route_id)
@@ -321,6 +319,8 @@ async def confirm_sections(
                 request.standard_cross_section if request else None,
             )
 
+        marks.append(("기본설계 계산(미지정 측점)", time.perf_counter()))
+
         async with pool.acquire() as connection:
             await connection.begin()
             try: