diff --git a/PdkFriendServer/Logic/IsmctsBot.cs b/PdkFriendServer/Logic/IsmctsBot.cs
index 9a216979..c1e23777 100644
--- a/PdkFriendServer/Logic/IsmctsBot.cs
+++ b/PdkFriendServer/Logic/IsmctsBot.cs
@@ -18,7 +18,8 @@ namespace PdkFriendServer.Logic
     {
         private readonly int _simulations;
         private readonly Random _rng;
-        private const double BaoThreshold = 0.60;
+        private const double BaoThreshold = 0.70; // 100局校准: 60%→30%, 提至70%
+        private const double MultiBonusPerCard = 0.10; // 多牌加权: 每多1张+10%
 
         public IsmctsBot(int simulations = 800)
         {
@@ -93,6 +94,17 @@ namespace PdkFriendServer.Logic
                 scoredCandidates.Add((play, (double)wins / simsPerCandidate, allCandidates[ci].isMulti));
             }
 
+            // 多牌加权: 两阶段选择前给多牌候选加胜率偏置
+            for (int i = 0; i < scoredCandidates.Count; i++)
+            {
+                if (scoredCandidates[i].isMulti)
+                {
+                    int cardCount = scoredCandidates[i].play.Ids?.Length ?? 1;
+                    var (p, wr, m) = scoredCandidates[i];
+                    scoredCandidates[i] = (p, wr + cardCount * MultiBonusPerCard, m);
+                }
+            }
+
             // 两阶段选择：多牌优先
             scoredCandidates.Sort((a, b) => b.winRate.CompareTo(a.winRate));
             var best = scoredCandidates[0];
diff --git a/exe/PdkFriendServer/PdkFriendServer.dll b/exe/PdkFriendServer/PdkFriendServer.dll
index 138ac25d..b716977c 100644
Binary files a/exe/PdkFriendServer/PdkFriendServer.dll and b/exe/PdkFriendServer/PdkFriendServer.dll differ
diff --git a/exe/PdkFriendServer/PdkFriendServer.pdb b/exe/PdkFriendServer/PdkFriendServer.pdb
index f3ad9666..289f984c 100644
Binary files a/exe/PdkFriendServer/PdkFriendServer.pdb and b/exe/PdkFriendServer/PdkFriendServer.pdb differ
diff --git a/exe/hjha-console/PdkFriendServer.dll b/exe/hjha-console/PdkFriendServer.dll
index 138ac25d..b716977c 100644
Binary files a/exe/hjha-console/PdkFriendServer.dll and b/exe/hjha-console/PdkFriendServer.dll differ
diff --git a/exe/hjha-console/PdkFriendServer.pdb b/exe/hjha-console/PdkFriendServer.pdb
index f3ad9666..289f984c 100644
Binary files a/exe/hjha-console/PdkFriendServer.pdb and b/exe/hjha-console/PdkFriendServer.pdb differ
diff --git a/exe/hjha-console/hjha-console.dll b/exe/hjha-console/hjha-console.dll
index 887440aa..69e107f9 100644
Binary files a/exe/hjha-console/hjha-console.dll and b/exe/hjha-console/hjha-console.dll differ
diff --git a/exe/hjha-console/hjha-console.pdb b/exe/hjha-console/hjha-console.pdb
index bda5f175..20ca50e2 100644
Binary files a/exe/hjha-console/hjha-console.pdb and b/exe/hjha-console/hjha-console.pdb differ