diff --git a/client/src/features/main/domains/DomainCard.tsx b/client/src/features/main/domains/DomainCard.tsx
index f3f28bb..9964da8 100644
--- a/client/src/features/main/domains/DomainCard.tsx
+++ b/client/src/features/main/domains/DomainCard.tsx
@@ -10,18 +10,23 @@ type Props = {
 };
 
 export function DomainCard({ icon, title, desc, onClick, disabled }: Props) {
+  const isDisabled = !!disabled;
+  const buttonLabel = isDisabled ? "설정 완료" : "설정하기";
+
   return (
-    <div className={s.card}>
+    <div className={`${s.card} ${isDisabled ? s.disabled : ""}`}>
       <div className={s.icon}>{icon}</div>
       <h3 className={s.title}>{title}</h3>
       <p className={s.desc}>{desc}</p>
 
       <button
-        className={`${s.button} btn-outline`}
-        disabled={disabled}                     // 비활성화
-        onClick={disabled ? undefined : onClick} // 클릭 완전 차단
+        className={`${s.button} btn-outline ${
+          isDisabled ? s.buttonDisabled : ""
+        }`}
+        disabled={isDisabled}
+        onClick={isDisabled ? undefined : onClick}
       >
-        설정하기
+        {buttonLabel}
       </button>
     </div>
   );
diff --git a/client/src/features/main/domains/domains.module.scss b/client/src/features/main/domains/domains.module.scss
index 6e766fe..6487f55 100644
--- a/client/src/features/main/domains/domains.module.scss
+++ b/client/src/features/main/domains/domains.module.scss
@@ -70,4 +70,21 @@
 }
   
 
-  
\ No newline at end of file
+.buttonDisabled {
+  color: #757373;
+  border-color: #d0d3d8;
+  cursor: default;
+}
+
+.buttonDisabled:hover {
+ color: #757373;
+  border-color: #d0d3d8;
+}
+
+.card.disabled,
+.card.disabled:hover {
+  transform: none !important;
+  box-shadow: 0 10px 30px rgba(2, 6, 23, .06);
+  background: #ffffff  !important;
+  cursor: default !important;
+}
\ No newline at end of file
diff --git a/client/src/features/notice/NoticeSetting.tsx b/client/src/features/notice/NoticeSetting.tsx
index 0a8073e..1ba8465 100644
--- a/client/src/features/notice/NoticeSetting.tsx
+++ b/client/src/features/notice/NoticeSetting.tsx
@@ -273,7 +273,12 @@ function NoticeCard({
     // 편집 중이거나 버튼/인풋 클릭 시에는 선택 동작 안함
     if (editing) return;
     const target = e.target as HTMLElement;
-    if (target.closest("button") || target.closest("input") || target.closest("a")) return;
+    if (
+      target.closest("button") ||
+      target.closest("input") ||
+      target.closest("a")
+    )
+      return;
 
     // 이미 선택된 카드면 선택 해제, 아니면 선택
     onSelect(isSelected ? null : setting.domain_id);
@@ -281,7 +286,9 @@ function NoticeCard({
 
   return (
     <div
-      className={`notice-card ${editing ? "notice-card--editing" : ""} ${isSelected ? "notice-card--selected" : ""}`}
+      className={`notice-card ${editing ? "notice-card--editing" : ""} ${
+        isSelected ? "notice-card--selected" : ""
+      }`}
       onClick={handleCardClick}
       style={{ cursor: editing ? "default" : "pointer" }}
     >
@@ -437,7 +444,7 @@ function NoticeCard({
         </>
       ) : (
         <>
-          {/* <div className="notice-contour"></div> */}
+          <div className="notice-contour"></div>
 
           {/* 다중 배지 표시 */}
           <div className="notice-card-channel body3">
@@ -453,7 +460,7 @@ function NoticeCard({
             )}
           </div>
 
-          {/* 요약 상태 토글 (읽기 전용) */}
+          {/* 요약 상태 토글 (바로 수정 가능) */}
           <div className="notice-card-channel body3">
             <div className="notify-toggle-wrap flex-row">
               <span className="notify-label body3">요약</span>
@@ -461,12 +468,25 @@ function NoticeCard({
                 {summary ? "ON" : "OFF"}
               </span>
               <div
-                className={`toggle-wrap ${
-                  item.summary ? "on" : "off"
-                } readonly`}
-                aria-label={`요약 ${item.summary ? "ON" : "OFF"}`}
+                role="switch"
+                aria-checked={summary}
+                className={`toggle-wrap ${summary ? "on" : "off"}`}
+                aria-label={`요약 ${summary ? "끄기" : "켜기"}`}
+                onClick={async (e) => {
+                  e.stopPropagation(); // 카드 선택 방지
+                  const newSummary = !summary;
+                  setSummary(newSummary);
+                  try {
+                    await updateSetting(getId(setting), { summary: newSummary });
+                    onUpdated({ ...setting, summary: newSummary });
+                  } catch {
+                    setSummary(!newSummary); // 실패 시 롤백
+                    show("요약 설정 변경에 실패했습니다.");
+                  }
+                }}
+                style={{ cursor: "pointer" }}
               >
-                <Toggle defaultChecked={item.summary} />
+                <Toggle key={summary ? "1" : "0"} defaultChecked={summary} />
               </div>
             </div>
           </div>
@@ -490,7 +510,10 @@ interface NoticeSettingProps {
   onSelectDomain: (domainId: string | null) => void;
 }
 
-function NoticeSettingInner({ selectedDomainId, onSelectDomain }: NoticeSettingProps) {
+function NoticeSettingInner({
+  selectedDomainId,
+  onSelectDomain,
+}: NoticeSettingProps) {
   const [items, setItems] = useState<NoticeItem[]>([]);
   const [settingsMap, setSettingsMap] = useState<Record<string, Setting>>({});
   const [domainMap, setDomainMap] = useState<Record<string, string>>({});
@@ -613,9 +636,15 @@ function NoticeSettingInner({ selectedDomainId, onSelectDomain }: NoticeSettingP
   );
 }
 
-const NoticeSetting: React.FC<NoticeSettingProps> = ({ selectedDomainId, onSelectDomain }) => (
+const NoticeSetting: React.FC<NoticeSettingProps> = ({
+  selectedDomainId,
+  onSelectDomain,
+}) => (
   <ToastProvider>
-    <NoticeSettingInner selectedDomainId={selectedDomainId} onSelectDomain={onSelectDomain} />
+    <NoticeSettingInner
+      selectedDomainId={selectedDomainId}
+      onSelectDomain={onSelectDomain}
+    />
   </ToastProvider>
 );
 
diff --git a/client/src/features/notice/RecentNotice.tsx b/client/src/features/notice/RecentNotice.tsx
index 3bab1a9..b822bf8 100644
--- a/client/src/features/notice/RecentNotice.tsx
+++ b/client/src/features/notice/RecentNotice.tsx
@@ -1,5 +1,5 @@
 // src/features/notice/RecentNotice.tsx
-import React, { useEffect, useMemo, useRef, useState } from "react";
+import React, { useCallback, useEffect, useMemo, useRef, useState } from "react";
 import "./RecentNotice.scss";
 import "../../../public/assets/style/_flex.scss";
 import "../../../public/assets/style/_typography.scss";
@@ -27,6 +27,7 @@ type RecentItem = {
 
 const INITIAL_COUNT = 10;
 const PAGE_SIZE = 5;
+const POLLING_INTERVAL = 500; // 0.5초마다 새 알림 확인
 
 const pad2 = (n: number) => (n < 10 ? `0${n}` : String(n));
 
@@ -113,26 +114,28 @@ const RecentNotice: React.FC<RecentNoticeProps> = ({ selectedDomainId }) => {
   const [allItems, setAllItems] = useState<RecentItem[]>([]);
   const [visibleCount, setVisibleCount] = useState(INITIAL_COUNT);
 
-  // 초기 로드: settings + domains
-  useEffect(() => {
-    let alive = true;
-    (async () => {
-      try {
+  // 데이터 로드 함수
+  const loadData = useCallback(async (isInitial = false) => {
+    try {
+      if (isInitial) {
         setLoading(true);
         setBanner(null);
+      }
+
+      const [settings, domainList] = await Promise.all([
+        fetchSettings(),
+        fetchMain(),
+      ]);
 
-        const [settings, domainList] = await Promise.all([
-          fetchSettings(),
-          fetchMain(),
-        ]);
-        if (!alive) return;
+      const flat = flattenAndSortMessages(settings);
+      setAllItems(flat);
+      setDomains(domainList);
 
-        const flat = flattenAndSortMessages(settings);
-        setAllItems(flat);
-        setDomains(domainList);
+      if (isInitial) {
         setVisibleCount(Math.min(INITIAL_COUNT, flat.length));
-      } catch (e: any) {
-        if (!alive) return;
+      }
+    } catch (e: any) {
+      if (isInitial) {
         setBanner({
           type: "error",
           text: e?.message || "최근 알림을 불러오지 못했습니다.",
@@ -140,15 +143,26 @@ const RecentNotice: React.FC<RecentNoticeProps> = ({ selectedDomainId }) => {
         setAllItems([]);
         setDomains([]);
         setVisibleCount(0);
-      } finally {
-        if (alive) setLoading(false);
       }
-    })();
-    return () => {
-      alive = false;
-    };
+    } finally {
+      if (isInitial) setLoading(false);
+    }
   }, []);
 
+  // 초기 로드
+  useEffect(() => {
+    loadData(true);
+  }, [loadData]);
+
+  // 주기적 polling (30초마다)
+  useEffect(() => {
+    const interval = setInterval(() => {
+      loadData(false);
+    }, POLLING_INTERVAL);
+
+    return () => clearInterval(interval);
+  }, [loadData]);
+
   // 선택된 도메인으로 필터링
   const filteredItems = useMemo(() => {
     if (!selectedDomainId) return allItems;
diff --git a/server/src/crawl/webCrawler.ts b/server/src/crawl/webCrawler.ts
index cf2c93b..8de02ae 100644
--- a/server/src/crawl/webCrawler.ts
+++ b/server/src/crawl/webCrawler.ts
@@ -39,7 +39,7 @@ export class WebCrawler {
       case 'pknu':
         crawler = new PKNUCrawler();
         break;
-      case 'pknu-notice-watch':
+      case 'preview--pknu-notice-watch':
         console.log(`[WebCrawler] TestCrawler 사용: ${url}`);
         crawler = new TestCrawler(url);
         break;
diff --git a/server/src/data/initialDomains.ts b/server/src/data/initialDomains.ts
index 27cd414..e0c4bcb 100644
--- a/server/src/data/initialDomains.ts
+++ b/server/src/data/initialDomains.ts
@@ -43,7 +43,7 @@ export const initialDomains: InitialDomainData[] = [
     _id: "4",
     name: "테스트",
     url_list: [
-      "https://pknu-notice-watch.lovable.app",
+      "https://preview--pknu-notice-watch.lovable.app",
     ],
     keywords: ["테스트"],
     setting_ids: [],