diff --git a/YD_Event.Application/Event/UnifiedRegistrationService.cs b/YD_Event.Application/Event/UnifiedRegistrationService.cs
index ea9653c..5b7271f 100644
--- a/YD_Event.Application/Event/UnifiedRegistrationService.cs
+++ b/YD_Event.Application/Event/UnifiedRegistrationService.cs
@@ -2966,17 +2966,17 @@ public class UnifiedRegistrationService : ITransient
             output.ProjectDetails.Add(projectDetail);
         }
 
-        var refundConfigs = await _refundConfigService.GetList();
-        refundConfigs = refundConfigs.Where(x => x.Status == Core.Enum.AvailabilityStatus.Enable).OrderBy(x => x.DayStart).ToList();
+        // 从快照获取退款规则
+        var refundSnapshots = await _ruleSnapshotService.GetRefundRuleSnapshot(eventInfo.Id);
 
-        foreach (var config in refundConfigs)
+        foreach (var snapshot in refundSnapshots)
         {
             output.RefundRules.Add(new RefundRuleDto
             {
-                DayStart = config.DayStart,
-                DayEnd = config.DayEnd,
-                DeductPercentage = config.DeductPercentage,
-                Remark = config.Remark
+                DayStart = snapshot.DayStart,
+                DayEnd = snapshot.DayEnd,
+                DeductPercentage = snapshot.DeductPercentage,
+                Remark = snapshot.Remark
             });
         }
 
@@ -2989,7 +2989,7 @@ public class UnifiedRegistrationService : ITransient
         }
         else
         {
-            var matchConfig = refundConfigs.FirstOrDefault(c => 
+            var matchConfig = refundSnapshots.FirstOrDefault(c => 
                 daysRemaining >= c.DayStart && 
                 (c.DayEnd == int.MaxValue ? true : daysRemaining < c.DayEnd)
             );