diff --git a/AyCode.Core.Serializers.Console/BenchmarkLoop.cs b/AyCode.Core.Serializers.Console/BenchmarkLoop.cs
index 11f2a17..3a83f8d 100644
--- a/AyCode.Core.Serializers.Console/BenchmarkLoop.cs
+++ b/AyCode.Core.Serializers.Console/BenchmarkLoop.cs
@@ -77,7 +77,7 @@ internal static class BenchmarkLoop
             var testDataSets = FilterByLayer(allTestDataSets, layer);
 
             System.Console.WriteLine($"Layer: {layer} | OpMode: {opMode} | SerializerMode: {serializerMode} | Charset: {Configuration.GetCurrentCharsetName()} | Iterations: per-cell adaptive (~{Configuration.TargetSampleMs} ms target) | Warmup: {Configuration.WarmupIterations} per phase (Ser/Des isolated) | Samples: {Configuration.BenchmarkSamples} (median) + pilot discard");
-            System.Console.WriteLine($"Build: {Configuration.BuildConfiguration} | .NET: {Environment.Version} | Test Type: {testDataSets.FirstOrDefault()?.TypeName ?? "unknown"} | Test Cells: {testDataSets.Count}/{allTestDataSets.Count}");
+            System.Console.WriteLine($"Build: {Configuration.BuildConfiguration} | .NET: {Environment.Version} | Test Cells: {testDataSets.Count}/{allTestDataSets.Count}");
             System.Console.WriteLine();
 
             // Global JIT pre-warmup — touches every (testdata × serializer) code path BEFORE any timing happens.
diff --git a/AyCode.Core.Serializers.Console/Output.cs b/AyCode.Core.Serializers.Console/Output.cs
index 803d379..9bb9fd6 100644
--- a/AyCode.Core.Serializers.Console/Output.cs
+++ b/AyCode.Core.Serializers.Console/Output.cs
@@ -448,7 +448,6 @@ internal static class Output
         sb.AppendLine($"║  Charset: {Configuration.GetCurrentCharsetName()}".PadRight(100) + "║");
         sb.AppendLine($"║  Iterations: per-cell adaptive (~{Configuration.TargetSampleMs} ms target)".PadRight(100) + "║");
         sb.AppendLine($"║  Samples: {Configuration.BenchmarkSamples} (median) + 1 pilot discarded".PadRight(100) + "║");
-        sb.AppendLine($"║  Test Type: {testDataSets.FirstOrDefault()?.TypeName ?? "unknown"}".PadRight(100) + "║");
         sb.AppendLine("╚══════════════════════════════════════════════════════════════════════════════════════════════════════╝");
         sb.AppendLine();
 
@@ -575,9 +574,8 @@ internal static class Output
     internal static void SaveLlmResults(string filePath, List<BenchmarkResult> results, List<TestDataSet> testDataSets)
     {
         var sb = new StringBuilder();
-        var testTypeName = testDataSets.FirstOrDefault()?.TypeName ?? "unknown";
         sb.AppendLine($"# AcBinary Benchmark {Configuration.BuildConfiguration} {DateTime.Now:yyyy-MM-dd HH:mm:ss}");
-        sb.AppendLine($"Charset: {Configuration.GetCurrentCharsetName()} | Iterations: per-cell adaptive (target ~{Configuration.TargetSampleMs} ms/sample) | Warmup: {Configuration.WarmupIterations} per phase (Ser/Des isolated) | Samples: {Configuration.BenchmarkSamples} (median) + 1 pilot discarded | .NET: {Environment.Version} | TestType: {testTypeName} | UnstableCV threshold: {Configuration.UnstableCVThreshold * 100:F0}%");
+        sb.AppendLine($"Charset: {Configuration.GetCurrentCharsetName()} | Iterations: per-cell adaptive (target ~{Configuration.TargetSampleMs} ms/sample) | Warmup: {Configuration.WarmupIterations} per phase (Ser/Des isolated) | Samples: {Configuration.BenchmarkSamples} (median) + 1 pilot discarded | .NET: {Environment.Version} | UnstableCV threshold: {Configuration.UnstableCVThreshold * 100:F0}%");
         sb.AppendLine("Baseline: MemoryPack (Byte[]) (SOTA reference) | Verified: round-trip correctness checked once per cell before warmup");
 
         // Options summary. Bracketed [OrderType] surfaces the TestOrder variant each preset serialised —
diff --git a/AyCode.Core.Tests/TestModels/SharedTestOrderModels.cs b/AyCode.Core.Tests/TestModels/SharedTestOrderModels.cs
index e6441b1..3b54477 100644
--- a/AyCode.Core.Tests/TestModels/SharedTestOrderModels.cs
+++ b/AyCode.Core.Tests/TestModels/SharedTestOrderModels.cs
@@ -1,4 +1,4 @@
-using AyCode.Core.Extensions;
+using AyCode.Core.Extensions;
 using AyCode.Core.Serializers.Attributes;
 using AyCode.Core.Serializers.Binaries;
 using MemoryPack;