diff --git a/pjcloud-supermarket/pjcloud-supermarket-biz/src/main/java/com/bsd/pjcloud/supermarket/controller/SmHotelAppController.java b/pjcloud-supermarket/pjcloud-supermarket-biz/src/main/java/com/bsd/pjcloud/supermarket/controller/SmHotelAppController.java
index 793c30da8..df2f362ac 100644
--- a/pjcloud-supermarket/pjcloud-supermarket-biz/src/main/java/com/bsd/pjcloud/supermarket/controller/SmHotelAppController.java
+++ b/pjcloud-supermarket/pjcloud-supermarket-biz/src/main/java/com/bsd/pjcloud/supermarket/controller/SmHotelAppController.java
@@ -77,8 +77,8 @@ public class SmHotelAppController {
 
 	private static final long FILTER_META_CACHE_MINUTES = 10L;
 
-	/** 可售候选酒店 id 短缓存 */
-	private static final String CANDIDATE_CACHE_PREFIX = "sm:hotel:app:cand:";
+	/** 可售候选酒店 id 短缓存（v3：全国按入住日 DISTINCT，避免错误 EXISTS） */
+	private static final String CANDIDATE_CACHE_PREFIX = "sm:hotel:app:cand:v3:";
 
 	private static final long CANDIDATE_CACHE_MINUTES = 3L;
 
@@ -87,7 +87,7 @@ public class SmHotelAppController {
 	private static final String CANDIDATE_CACHE_OVERFLOW = "OVERFLOW";
 
 	/** 列表页结果短缓存（同条件重复进入/下拉） */
-	private static final String PAGE_CACHE_PREFIX = "sm:hotel:app:page:";
+	private static final String PAGE_CACHE_PREFIX = "sm:hotel:app:page:v3:";
 
 	private static final long PAGE_CACHE_SECONDS = 45L;
 
@@ -712,19 +712,16 @@ public class SmHotelAppController {
 		LocalDate from = stayFrom != null ? stayFrom : LocalDate.now();
 		LocalDate toEx = stayToExclusive;
 		if (toEx == null || !toEx.isAfter(from)) {
-			// 未传离店：只扫入住日起 2 天（列表展示够用），避免默认扫 30 天全库
-			toEx = from.plusDays(2);
+			toEx = from.plusDays(1);
 		}
-		// 全国无缩小范围：不要 SELECT DISTINCT 全库日历（百万级会拖死），交给 EXISTS
-		if (scopedHotelIds == null) {
-			return null;
-		}
-		if (scopedHotelIds.isEmpty()) {
+		if (scopedHotelIds != null && scopedHotelIds.isEmpty()) {
 			return List.of();
 		}
-		String scopeDigest = Integer.toHexString(scopedHotelIds.hashCode());
+		boolean nationwide = scopedHotelIds == null;
+		String scopeDigest = nationwide ? "all" : Integer.toHexString(scopedHotelIds.hashCode());
+		int scopeSize = nationwide ? -1 : scopedHotelIds.size();
 		String cacheKey = CANDIDATE_CACHE_PREFIX + from + ":" + toEx + ":" + needCapPerRoom + ":" + scopeDigest + ":"
-				+ scopedHotelIds.size();
+				+ scopeSize;
 		try {
 			String cached = stringRedisTemplate.opsForValue().get(cacheKey);
 			if (CANDIDATE_CACHE_EMPTY.equals(cached)) {
@@ -744,7 +741,10 @@ public class SmHotelAppController {
 		catch (Exception e) {
 			log.warn("|酒店App|候选缓存读取失败|{}", e.getMessage());
 		}
-		List<Long> bookable = dailyMapper.selectDistinctHotelIdsByStayRangeInHotels(from, toEx, scopedHotelIds);
+		// 全国：按入住日扫日历（通常 1 晚，走 stay_date 索引）；有区域则在酒店集合内查
+		List<Long> bookable = nationwide
+				? dailyMapper.selectDistinctHotelIdsByStayRange(from, toEx)
+				: dailyMapper.selectDistinctHotelIdsByStayRangeInHotels(from, toEx, scopedHotelIds);
 		if (bookable == null || bookable.isEmpty()) {
 			cacheCandidateIds(cacheKey, CANDIDATE_CACHE_EMPTY);
 			return List.of();
@@ -859,7 +859,7 @@ public class SmHotelAppController {
 		wrapper.apply("""
 				EXISTS (
 				  SELECT 1 FROM canteen_hotel_daily d
-				  WHERE d.hotel_id = id
+				  WHERE d.hotel_id = canteen_hotel.id
 				    AND d.del_flag = '0'
 				    AND d.stay_date >= {0}
 				    AND d.stay_date < {1}
@@ -876,7 +876,7 @@ public class SmHotelAppController {
 			return;
 		}
 		wrapper.apply("""
-				id IN (
+				canteen_hotel.id IN (
 				  SELECT DISTINCT r.hotel_id FROM canteen_hotel_room r
 				  WHERE r.del_flag = '0'
 				    AND (r.capacity IS NULL OR r.capacity >= {0})