diff --git a/src/Decentralized.Domain/Tuning.cs b/src/Decentralized.Domain/Tuning.cs
index 4903751..db81441 100644
--- a/src/Decentralized.Domain/Tuning.cs
+++ b/src/Decentralized.Domain/Tuning.cs
@@ -43,7 +43,7 @@ namespace Decentralized.Domain
         // 稳定币
         public const double CrcDepegChance = 0.30, CrcDepegMin = 0.88, CrcDepegMax = 0.93;
         public const int CrcDepegDaysMin = 2, CrcDepegDaysMax = 3;
-        public const double CrcHaircutChance = 0.15, CrcHaircut = 0.95;
+        public const double CrcHaircutChance = 0.15, CrcHaircut = 0.85;
         public const double CrtDepegChance = 0.40, CrtDepegMin = 0.92, CrtDepegMax = 0.96;
         public const int CrtDepegDaysMin = 1, CrtDepegDaysMax = 2;
         public const double CrtFreezeBase = 0.40, CrtFreezePerRep = 0.008, CrtFreezeShare = 0.5;