diff --git a/src/main/java/com/ycwl/basic/pricing/service/IOnePricePurchaseService.java b/src/main/java/com/ycwl/basic/pricing/service/IOnePricePurchaseService.java
index dc2c99f..88d7cd7 100644
--- a/src/main/java/com/ycwl/basic/pricing/service/IOnePricePurchaseService.java
+++ b/src/main/java/com/ycwl/basic/pricing/service/IOnePricePurchaseService.java
@@ -46,6 +46,15 @@ public interface IOnePricePurchaseService {
      */
     List<PriceOnePriceConfig> getActiveConfigsByScenic(Long scenicId);
     
+    /**
+     * 根据景区查询启用的一口价配置（单个）
+     * 通常每个景区只有一个生效的一口价配置
+     * 
+     * @param scenicId 景区ID
+     * @return 一口价配置，如果不存在则返回null
+     */
+    PriceOnePriceConfig getActiveConfigByScenic(Long scenicId);
+    
     // ==================== 管理端接口 ====================
     
     /**
diff --git a/src/main/java/com/ycwl/basic/pricing/service/impl/OnePricePurchaseServiceImpl.java b/src/main/java/com/ycwl/basic/pricing/service/impl/OnePricePurchaseServiceImpl.java
index bc75046..89fd94b 100644
--- a/src/main/java/com/ycwl/basic/pricing/service/impl/OnePricePurchaseServiceImpl.java
+++ b/src/main/java/com/ycwl/basic/pricing/service/impl/OnePricePurchaseServiceImpl.java
@@ -71,6 +71,11 @@ public class OnePricePurchaseServiceImpl implements IOnePricePurchaseService {
         return onePriceConfigMapper.selectConfigsByScenic(scenicId);
     }
     
+    @Override
+    public PriceOnePriceConfig getActiveConfigByScenic(Long scenicId) {
+        return onePriceConfigMapper.selectConfigByScenic(scenicId);
+    }
+    
     // ==================== 管理端接口实现 ====================
     
     @Override