diff --git a/YD_Event.Application/Scoring/ScoreRuleConfigService.cs b/YD_Event.Application/Scoring/ScoreRuleConfigService.cs
index 84cc3b9..f1dcdf2 100644
--- a/YD_Event.Application/Scoring/ScoreRuleConfigService.cs
+++ b/YD_Event.Application/Scoring/ScoreRuleConfigService.cs
@@ -71,7 +71,13 @@ public static class ScoreRuleConfigService
         if (!config.IsFactorTotal) return;
         foreach (var role in config.RoleAggregations.Where(x => x.Factor == ScoreFactorCode.Required))
         {
-            if (IsIndividualFamily(config.RuleType)) role.AggregateDecimals = null;
+            if (IsIndividualFamily(config.RuleType))
+            {
+                // 个人花样的每类规定元素缺失数先按同类型裁判取平均，再四舍五入为整数参与 Q 计算。
+                // 同步花样保留半个规定元素的精度。
+                role.AggregateDecimals = string.Equals(config.RuleType, "FREESTYLE_SINGLE",
+                    StringComparison.OrdinalIgnoreCase) ? 0 : null;
+            }
             if (config.RuleType.StartsWith("FREESTYLE_WHEEL", StringComparison.OrdinalIgnoreCase))
                 role.FactorWeight = 0.025m;
         }