diff --git a/resources/tester/helper_323_9_save_redraw.cjs b/resources/tester/helper_323_9_save_redraw.cjs
index 40089b767..d4ae28ac9 100644
--- a/resources/tester/helper_323_9_save_redraw.cjs
+++ b/resources/tester/helper_323_9_save_redraw.cjs
@@ -76,7 +76,7 @@ const { saveDesign, savingDesign } = loadTs(
   path.join(ROOT, "A00_Common", "design", "design_save.ts"),
 );
 const { crossSaveParts } = loadTs(path.join(B06, "B06_Section_UI_Page_Persist.ts"));
-const { loadSectionDetail } = loadTs(path.join(B06, "B06_Section_Section_Store.ts"));
+const { invalidateSectionDetail, loadSectionDetail } = loadTs(path.join(B06, "B06_Section_Section_Store.ts"));
 
 (async () => {
   const P = "p1";
@@ -127,8 +127,11 @@ const { loadSectionDetail } = loadTs(path.join(B06, "B06_Section_Section_Store.t
       ...parts.steps,
     },
     cross: (confirm) => parts.cross(confirm),
+    // 뒤처리 = 한 벌(`design_shared` saveSharedDesign done) 차례 그대로 — 공용 캐시를 한 번 비운 뒤 보기 몫(416 M1 ·
+    // 횡단 보기 done 은 비우지 않고 다시 그리기만)
     done: async () => {
       savingSeen.push(savingDesign(P));
+      invalidateSectionDetail(P);
       await parts.done(false);
     },
     failed: (error) => calls.push(`failed:${error}`),