diff --git a/ML/Training/Runner/RunnerIO.cpp b/ML/Training/Runner/RunnerIO.cpp
index 2c9477c..f0934be 100644
--- a/ML/Training/Runner/RunnerIO.cpp
+++ b/ML/Training/Runner/RunnerIO.cpp
@@ -87,7 +87,7 @@ namespace RunnerIO
 			std::cerr << "RunnerIO::readParamsBin: header read failed\n";
 			return false;
 		}
-		if (magic != MAGIC || (ver != 1 && ver != 2))
+		if (magic != MAGIC || ver != 2)
 		{
 			std::cerr << "RunnerIO::readParamsBin: magic/version mismatch\n";
 			return false;
@@ -98,12 +98,7 @@ namespace RunnerIO
 		if (!readDouble(fs, out.wellboreC)) return false;
 		if (!readDouble(fs, out.phi)) return false;
 		if (!readDouble(fs, out.h)) return false;
-		out.hasCt = false;
-		out.Ct = 0.0;
-		if (ver >= 2) {
-			if (!readDouble(fs, out.Ct)) return false;
-			out.hasCt = true;
-		}
+		if (!readDouble(fs, out.Ct)) return false;
 		if (!readDouble(fs, out.Cf)) return false;
 
 		out.sectionIndex = 0;
@@ -200,4 +195,4 @@ namespace RunnerIO
 
 		return fs.good();
 	}
-}
\ No newline at end of file
+}
diff --git a/ML/Training/Runner/RunnerIO.h b/ML/Training/Runner/RunnerIO.h
index d6cbab2..5cea698 100644
--- a/ML/Training/Runner/RunnerIO.h
+++ b/ML/Training/Runner/RunnerIO.h
@@ -13,7 +13,6 @@ struct RunnerParams
 	double h;
 	double Ct;
 	double Cf;
-	bool hasCt;
 
 	// optional schedule extension
 	uint32_t sectionIndex;     // wellFlowSectionIndex
@@ -21,7 +20,7 @@ struct RunnerParams
 	std::vector<double> q;     // m^3/d
 
 	RunnerParams()
-		: k(0), skin(0), wellboreC(0), phi(0), h(0), Ct(0), Cf(0), hasCt(false), sectionIndex(0)
+		: k(0), skin(0), wellboreC(0), phi(0), h(0), Ct(0), Cf(0), sectionIndex(0)
 	{}
 };
 
diff --git a/ML/Training/Runner/runner_main.cpp b/ML/Training/Runner/runner_main.cpp
index d3fd401..6d52b24 100644
--- a/ML/Training/Runner/runner_main.cpp
+++ b/ML/Training/Runner/runner_main.cpp
@@ -130,7 +130,7 @@ static void applySampledParamsAndMaybeOverrideRate(HX_NWTM_MODEL_INPUT& in, cons
 	std::fill(in.Base.k.begin(), in.Base.k.end(), p.k);
 	std::fill(in.Base.phi.begin(), in.Base.phi.end(), p.phi);
 	std::fill(in.Base.h.begin(), in.Base.h.end(), p.h);
-	if (p.hasCt) in.Base.Cti = p.Ct;
+	in.Base.Cti = p.Ct;
 	in.Base.Cf = p.Cf;
 
 	// 制度覆盖：params.bin 带 schedule 才覆盖
@@ -440,4 +440,4 @@ int main(int argc, char** argv)
 	if (hMod_solver) FreeLibrary(hMod_solver);
 	FreeLibrary(hx);
 	return 0;
-}
\ No newline at end of file
+}