diff --git a/YD_Event.Application/Event/UnifiedRegistrationService.cs b/YD_Event.Application/Event/UnifiedRegistrationService.cs
index 27251b9..2c853eb 100644
--- a/YD_Event.Application/Event/UnifiedRegistrationService.cs
+++ b/YD_Event.Application/Event/UnifiedRegistrationService.cs
@@ -2339,6 +2339,15 @@ public class UnifiedRegistrationService : ITransient
         _logger.LogInformation("开始取消报名：报名ID={RegistrationId}, 操作人={UserId}, 当前状态={PaymentStatus}", 
             registrationId, operatorUserId, reg.PaymentStatus);
 
+        // 如果是预报名记录（状态5），直接删除
+        if (reg.PaymentStatus == 5)
+        {
+            await DeleteRegistrationAsync(reg);
+            _logger.LogInformation("已删除预报名记录：报名ID={RegistrationId}", registrationId);
+            return true;
+        }
+
+        // 其他状态的记录，更新状态为已取消
         reg.PaymentStatus = 4;
         reg.UpdatedTime = DateTime.Now;
         reg.UpdatedUserId = operatorUserId;