diff --git a/ML/nmWTAI-ML/configs/data_gen.yaml b/ML/nmWTAI-ML/configs/data_gen.yaml
index bed2d7c..868f9d7 100644
--- a/ML/nmWTAI-ML/configs/data_gen.yaml
+++ b/ML/nmWTAI-ML/configs/data_gen.yaml
@@ -48,7 +48,7 @@ params:  # 储层与井筒物理参数采样设置
     wellboreC: [1.0e-4, 2.0]  # 井筒储集系数采样范围
     phi: [1.0e-2, 0.50]  # 孔隙度采样范围
     h: [2.0, 100.0]  # 储层厚度采样范围
-    Ct: [1.0e-4, 1.0]  # 综合压缩系数采样范围
+    Ct: [1.0e-3, 1.0e-1]  # 综合压缩系数采样范围
     Cf: [1.0e-6, 5.0e-3]  # 岩石压缩系数采样范围
   fixed_params:  # 固定不参与采样的物理参数
     Cf:
diff --git a/ML/nmWTAI-ML/configs/data_gen_case_neighborhood.yaml b/ML/nmWTAI-ML/configs/data_gen_case_neighborhood.yaml
index 4b5d971..dce29d3 100644
--- a/ML/nmWTAI-ML/configs/data_gen_case_neighborhood.yaml
+++ b/ML/nmWTAI-ML/configs/data_gen_case_neighborhood.yaml
@@ -48,7 +48,7 @@ params:  # 储层与井筒物理参数采样设置
     wellboreC: [1.0e-4, 2.0]  # 井筒储集系数采样范围
     phi: [1.0e-2, 0.50]  # 孔隙度采样范围
     h: [2.0, 100.0]  # 储层厚度采样范围
-    Ct: [1.0e-4, 1.0]  # 综合压缩系数采样范围
+    Ct: [1.0e-3, 1.0e-1]  # 综合压缩系数采样范围
     Cf: [1.0e-6, 5.0e-3]  # 岩石压缩系数采样范围
   fixed_params:  # 固定不参与采样的物理参数
     Cf:
diff --git a/ML/nmWTAI-ML/configs/data_gen_family_random.yaml b/ML/nmWTAI-ML/configs/data_gen_family_random.yaml
index b74a171..74e19ee 100644
--- a/ML/nmWTAI-ML/configs/data_gen_family_random.yaml
+++ b/ML/nmWTAI-ML/configs/data_gen_family_random.yaml
@@ -48,7 +48,7 @@ params:  # 储层与井筒物理参数采样设置
     wellboreC: [1.0e-4, 2.0]  # 井筒储集系数采样范围
     phi: [1.0e-2, 0.50]  # 孔隙度采样范围
     h: [2.0, 100.0]  # 储层厚度采样范围
-    Ct: [1.0e-4, 1.0]  # 综合压缩系数采样范围
+    Ct: [1.0e-3, 1.0e-1]  # 综合压缩系数采样范围
     Cf: [1.0e-6, 5.0e-3]  # 岩石压缩系数采样范围
   fixed_params:  # 固定不参与采样的物理参数
     Cf:
diff --git a/ML/nmWTAI-ML/configs/data_gen_family_random_hard.yaml b/ML/nmWTAI-ML/configs/data_gen_family_random_hard.yaml
index 7636f16..15ac856 100644
--- a/ML/nmWTAI-ML/configs/data_gen_family_random_hard.yaml
+++ b/ML/nmWTAI-ML/configs/data_gen_family_random_hard.yaml
@@ -48,7 +48,7 @@ params:  # 储层与井筒物理参数采样设置
     wellboreC: [1.0e-4, 2.0]  # 井筒储集系数采样范围
     phi: [1.0e-2, 0.50]  # 孔隙度采样范围
     h: [2.0, 100.0]  # 储层厚度采样范围
-    Ct: [1.0e-4, 1.0]  # 综合压缩系数采样范围
+    Ct: [1.0e-3, 1.0e-1]  # 综合压缩系数采样范围
     Cf: [1.0e-6, 5.0e-3]  # 岩石压缩系数采样范围
   fixed_params:  # 固定不参与采样的物理参数
     Cf:
diff --git a/ML/nmWTAI-ML/configs/data_gen_family_random_v2_q.yaml b/ML/nmWTAI-ML/configs/data_gen_family_random_v2_q.yaml
index 1a960e5..8530763 100644
--- a/ML/nmWTAI-ML/configs/data_gen_family_random_v2_q.yaml
+++ b/ML/nmWTAI-ML/configs/data_gen_family_random_v2_q.yaml
@@ -48,7 +48,7 @@ params:  # 储层与井筒物理参数采样设置
     wellboreC: [1.0e-4, 2.0]  # 井筒储集系数采样范围
     phi: [1.0e-2, 0.50]  # 孔隙度采样范围
     h: [2.0, 50.0]  # 储层厚度采样范围
-    Ct: [1.0e-4, 1.0]  # 综合压缩系数采样范围
+    Ct: [1.0e-3, 1.0e-1]  # 综合压缩系数采样范围
     Cf: [1.0e-6, 5.0e-3]  # 岩石压缩系数采样范围
   fixed_params:  # 固定不参与采样的物理参数
     Cf:
diff --git a/Src/nmNum/nmData/nmDataAutomaticFitting.cpp b/Src/nmNum/nmData/nmDataAutomaticFitting.cpp
index 11cbb05..7941b1e 100644
--- a/Src/nmNum/nmData/nmDataAutomaticFitting.cpp
+++ b/Src/nmNum/nmData/nmDataAutomaticFitting.cpp
@@ -20,7 +20,7 @@ nmDataAutomaticFitting::nmDataAutomaticFitting()
 	m_porosityMax = nmDataAttribute("Porosity Max", 0.5, "");             // 50%
 	m_initialPressureMax = nmDataAttribute("Initial Pressure Max", 50.0, "MPa");
 	m_thicknessMax = nmDataAttribute("Thickness Max", 50.0, "m");
-	m_ctMax = nmDataAttribute("Ct Max", 1, "");                             // 1/MPa
+	m_ctMax = nmDataAttribute("Ct Max", 0.1, "");                           // 1/MPa
 	m_cfMax = nmDataAttribute("Cf Max", 0.01, "");                             // 1/MPa
 	m_swiMax = nmDataAttribute("Swi Max", 1.0, "");
 
@@ -31,7 +31,7 @@ nmDataAutomaticFitting::nmDataAutomaticFitting()
 	m_porosityMin = nmDataAttribute("Porosity Min", 0.01, "");       // 1%
 	m_initialPressureMin = nmDataAttribute("Initial Pressure Min", 0.1, "MPa");
 	m_thicknessMin = nmDataAttribute("Thickness Min", 2.0, "m");
-	m_ctMin = nmDataAttribute("Ct Min", 1e-4, "");                             // 小正值
+	m_ctMin = nmDataAttribute("Ct Min", 1e-3, "");                           // 小正值
 	m_cfMin = nmDataAttribute("Cf Min", 1e-5, "");                             // 小正值
 	m_swiMin = nmDataAttribute("Swi Min", 0.0, "");