diff --git a/A00_Common/main.ts b/A00_Common/main.ts
index 647de8f24..cd89db516 100644
--- a/A00_Common/main.ts
+++ b/A00_Common/main.ts
@@ -19,6 +19,7 @@ import {
   releaseSelectAfterPick,
 } from "@ui/ui_template_native_menu";
 import { initLoupe, LOUPE_ROUTE } from "@ui/ui_template_loupe";
+import { ROUTE_RESTORED_EVENT } from "@ui/ui_template_help";
 import { ROUTES, type RoutePath } from "@config/config_frontend";
 import { initThemeAndLang, injectShellStyles, renderShell } from "./app_shell";
 import {
@@ -95,6 +96,7 @@ function bootstrap(): void {
         renderAll();
       } else {
         history.replaceState(null, "", shownHash); // 취소 — 머문 채 주소만 되돌림
+        window.dispatchEvent(new Event(ROUTE_RESTORED_EVENT)); // 주소 따라 그린 것(단계 [<] [>])을 다시 맞춤
       }
     });
   });
diff --git a/resources/tester/test_401_project_isolation.py b/resources/tester/test_401_project_isolation.py
index fb8a5f388..d6b34f811 100644
--- a/resources/tester/test_401_project_isolation.py
+++ b/resources/tester/test_401_project_isolation.py
@@ -110,3 +110,11 @@ def test_공용이_도우미를_씀():
     for name in ("d02-points", "e02-ground", "e03-prob", "e04-settings", "e05-report"):
         assert f'"{name}": {{ bucket: "draft", scope: "project"' in state
     assert '"e06-rock"' in state and '"e07-settings"' in state
+
+
+def test_떠남_취소_뒤_단계_단추_다시_맞춤():
+    # [취소] = 주소만 되돌림(hashchange 없음) → 「되돌림」 알림으로 [<] [>] 다시 맞춤
+    main = (ROOT / "A00_Common/main.ts").read_text(encoding="utf-8")
+    assert "window.dispatchEvent(new Event(ROUTE_RESTORED_EVENT))" in main
+    help_ts = (ROOT / "ui_template/ui_template_help.ts").read_text(encoding="utf-8")
+    assert "window.addEventListener(ROUTE_RESTORED_EVENT, onHash);" in help_ts
diff --git a/ui_template/ui_template_help.ts b/ui_template/ui_template_help.ts
index fdc0de27d..bdacf8f0c 100644
--- a/ui_template/ui_template_help.ts
+++ b/ui_template/ui_template_help.ts
@@ -344,6 +344,9 @@ function createStepNavButton(step: -1 | 1): HTMLButtonElement {
   return button;
 }
 
+/** 떠남 [취소] 뒤 주소를 되돌렸다는 알림(`main.ts` 가 냄 · hashchange 가 안 뜸). */
+export const ROUTE_RESTORED_EVENT = "aislo:route-restored";
+
 /** 지금 주소의 묶음 · [<] [>] 차례 — 목록 밖이면 차례 -1 */
 function stepNavIndex(): { index: number; last: number } {
   const route = location.hash.replace(/^#\/?/, "").split("?")[0];
@@ -364,11 +367,16 @@ export function placeHelpButton(actions: HTMLElement): void {
     prev.disabled = index <= 0;
     next.disabled = index === last;
   };
+  // 떠남 [취소] 는 주소만 되돌림(hashchange 없음) — 「되돌림」 알림에도 다시 맞춤(572)
   const onHash = (): void => {
     if (prev.isConnected) sync();
-    else window.removeEventListener("hashchange", onHash); // 화면에서 빠짐 — 풂
+    else {
+      window.removeEventListener("hashchange", onHash); // 화면에서 빠짐 — 풂
+      window.removeEventListener(ROUTE_RESTORED_EVENT, onHash);
+    }
   };
   sync();
   window.addEventListener("hashchange", onHash);
+  window.addEventListener(ROUTE_RESTORED_EVENT, onHash);
   row.prepend(createHelpButton(), prev, next);
 }