diff --git a/config/mini-fast.json b/config/mini-fast.json
new file mode 100644
index 0000000..cc5868f
--- /dev/null
+++ b/config/mini-fast.json
@@ -0,0 +1,47 @@
+{
+    "name": "prototype",
+    "version": "1.0",
+    "camera": {
+      "resolution_raw": [1280, 720],
+      "fps": 30,
+      "units": 15,
+      "units_used": 9, 
+      "resolution_stitch": [263, 263],
+      "stitch_res_list": [365,263,123,63]
+    },
+    "stitcher": {
+      "min_area_frac": 0.01,
+      "max_area_frac": 0.04,
+      "max_aspect_ratio": 25,
+      "index": [1,2,3,6,7,8,11,12,13],
+      "margin": 10,
+      "nominal_ov_pos": 67,
+      "n": [3,3],
+      "row_tol": 0.6,
+      "box_size": [180, 180],
+      "blend":"numpy",
+      "blend_list": ["numpy", "numba","none"]
+    },
+    "tracker": {
+      "adaptive": true,
+      "lower_threshold": 12.0,
+      "upper_threshold": 18.0,
+      "loop_closure_interval": 1,
+      "algorithm": "dis",
+      "dis_preset": "medium",
+      "dis_mode": 3,
+      "algorithm_list": ["raft", "dis"],
+      "hhd_downsample": 3
+    },
+    "contact": {
+      "min_contour_area": 3000,
+      "flow_threshold":1,
+      "div_threshold":0.02,
+      "expansion_threshold": 0.01,
+      "kernel_size": [5,5],
+      "denoise_sigma": 10
+    }
+  }
+  
+  
+  
\ No newline at end of file
diff --git a/config/mini.json b/config/mini.json
new file mode 100644
index 0000000..af88413
--- /dev/null
+++ b/config/mini.json
@@ -0,0 +1,46 @@
+{
+  "name": "prototype",
+  "version": "1.0",
+  "camera": {
+    "resolution_raw": [1920, 1080],
+    "fps": 30,
+    "units": 15,
+    "units_used": 9, 
+    "resolution_stitch": [365, 365],
+    "stitch_res_list": [365,263,123,63]
+  },
+  "stitcher": {
+    "min_area_frac": 0.01,
+    "max_area_frac": 0.05,
+    "max_aspect_ratio": 50,
+    "index": [1,2,3,6,7,8,11,12,13],
+    "margin": 10,
+    "nominal_ov_pos": 100,
+    "n": [3,3],
+    "row_tol": 0.6,
+    "box_size": [250, 250],
+    "blend":"numba",
+    "blend_list": ["numpy", "numba","none"]
+  },
+  "tracker": {
+    "adaptive": true,
+    "lower_threshold": 12.0,
+    "upper_threshold": 18.0,
+    "loop_closure_interval": 1,
+    "algorithm": "dis",
+    "dis_preset": "medium",
+    "dis_mode": 3,
+    "algorithm_list": ["raft", "dis"],
+    "hhd_downsample": 3
+  },
+  "contact": {
+    "min_contour_area": 3000,
+    "flow_threshold":5,
+    "div_threshold":0.05,
+    "expansion_threshold": 0.01,
+    "kernel_size": [5,5],
+    "denoise_sigma": 12
+  }
+}
+
+
diff --git a/examples/basic_pipeline.py b/examples/basic_pipeline.py
index 7404637..6541d29 100644
--- a/examples/basic_pipeline.py
+++ b/examples/basic_pipeline.py
@@ -7,7 +7,7 @@
 3. 按需计算接触区域
 4. 读取并可视化结果
 
-SDK version: 0.3.1
+SDK version: 0.4.2
 """
 import os
 os.environ["OPENCV_VIDEOIO_MSMF_ENABLE_HW_TRANSFORMS"] = "0" 
diff --git a/examples/two_sensor_pipeline.py b/examples/two_sensor_pipeline.py
index 0bf7c5a..9d78b09 100644
--- a/examples/two_sensor_pipeline.py
+++ b/examples/two_sensor_pipeline.py
@@ -18,7 +18,7 @@
 - Windows 下必须在 if __name__ == '__main__' 中调用 mp.freeze_support()
 - 每个传感器进程都会占用独立的 GPU 显存
 
-SDK version: 0.3.1
+SDK version: 0.4.2
 """
 import os
 os.environ["OPENCV_VIDEOIO_MSMF_ENABLE_HW_TRANSFORMS"] = "0" 
diff --git a/requirements-dev.txt b/requirements-dev.txt
new file mode 100644
index 0000000..029fccc
--- /dev/null
+++ b/requirements-dev.txt
@@ -0,0 +1,14 @@
+# CuPy - Install the appropriate version based on your CUDA version:
+# For CUDA 12.x: pip install cupy-cuda12x>=12.3.0
+# For CUDA 13.x: pip install cupy-cuda13x>=13.0.0
+# Or use extras: pip install orisys[cuda12] or pip install orisys[cuda13]
+
+numpy>=1.24.4
+opencv_python>=4.10.0.84
+scipy==1.13
+setuptools>=45.2.0
+av
+numba
+pyqt5
+pyqtgraph
+nuitka
\ No newline at end of file
diff --git a/tests/dd06.py b/tests/dd06.py
index 574706e..96bb68a 100644
--- a/tests/dd06.py
+++ b/tests/dd06.py
@@ -8,7 +8,7 @@ Flow:
 4. Feed the rectified frame into Sensor.get_img(..., already_processed=True)
 5. Compute deformation/contact and visualize
 
-SDK version: 0.3.1
+SDK version: 0.4.2
 """
 from __future__ import annotations