diff --git a/fastdeploy/vision/classification/contrib/resnet.h b/fastdeploy/vision/classification/contrib/resnet.h
index f5db8b1be..fa557c715 100644
--- a/fastdeploy/vision/classification/contrib/resnet.h
+++ b/fastdeploy/vision/classification/contrib/resnet.h
@@ -50,12 +50,16 @@ class FASTDEPLOY_DECL ResNet : public FastDeployModel {
    */
   virtual bool Predict(cv::Mat* im, ClassifyResult* result, int topk = 1);
   /*! @brief
-  Argument for image preprocessing step, tuple of (width, height), decide the target size after resize
+  Argument for image preprocessing step, tuple of (width, height), decide the target size after resize, default size = {224, 224}
   */
   std::vector<int> size;
-  /// Mean parameters for normalize, size should be the the same as channels
+  /*! @brief
+  Mean parameters for normalize, size should be the the same as channels, default mean_vals = {0.485f, 0.456f, 0.406f}
+  */
   std::vector<float> mean_vals;
-  /// Std parameters for normalize, size should be the the same as channels
+  /*! @brief
+  Std parameters for normalize, size should be the the same as channels, default std_vals = {0.229f, 0.224f, 0.225f}
+  */
   std::vector<float> std_vals;
 
 
diff --git a/fastdeploy/vision/detection/contrib/nanodet_plus.h b/fastdeploy/vision/detection/contrib/nanodet_plus.h
index 9923e4d37..45ed40fe7 100644
--- a/fastdeploy/vision/detection/contrib/nanodet_plus.h
+++ b/fastdeploy/vision/detection/contrib/nanodet_plus.h
@@ -54,7 +54,7 @@ class FASTDEPLOY_DECL NanoDetPlus : public FastDeployModel {
                        float nms_iou_threshold = 0.5f);
 
   /*! @brief
-  Argument for image preprocessing step, tuple of input size (width, height), e.g (320, 320)
+  Argument for image preprocessing step, tuple of input size (width, height), default (320, 320)
   */
   std::vector<int> size;
   // padding value, size should be the same as channels
diff --git a/fastdeploy/vision/detection/contrib/scaledyolov4.h b/fastdeploy/vision/detection/contrib/scaledyolov4.h
index a0108cfa5..c7b5fb57d 100644
--- a/fastdeploy/vision/detection/contrib/scaledyolov4.h
+++ b/fastdeploy/vision/detection/contrib/scaledyolov4.h
@@ -51,7 +51,7 @@ class FASTDEPLOY_DECL ScaledYOLOv4 : public FastDeployModel {
                        float nms_iou_threshold = 0.5);
 
   /*! @brief
-  Argument for image preprocessing step, tuple of (width, height), decide the target size after resize
+  Argument for image preprocessing step, tuple of (width, height), decide the target size after resize, default size = {640, 640}
   */
   std::vector<int> size;
   // padding value, size should be the same as channels
diff --git a/fastdeploy/vision/detection/contrib/yolor.h b/fastdeploy/vision/detection/contrib/yolor.h
index 0f8e23537..e98da3ee1 100644
--- a/fastdeploy/vision/detection/contrib/yolor.h
+++ b/fastdeploy/vision/detection/contrib/yolor.h
@@ -39,7 +39,7 @@ class FASTDEPLOY_DECL YOLOR : public FastDeployModel {
   virtual std::string ModelName() const { return "YOLOR"; }
   /** \brief Predict the detection result for an input image
    *
-   * \param[in] im The input image data, comes from cv::imread(), is a 3-D array with layout HWC, BGR format
+   * \param[in] im The input image data, comes from cv::imread()
    * \param[in] result The output detection result will be writen to this structure
    * \param[in] conf_threshold confidence threashold for postprocessing, default is 0.25
    * \param[in] nms_iou_threshold iou threashold for NMS, default is 0.5
@@ -50,7 +50,7 @@ class FASTDEPLOY_DECL YOLOR : public FastDeployModel {
                        float nms_iou_threshold = 0.5);
 
   /*! @brief
-  Argument for image preprocessing step, tuple of (width, height), decide the target size after resize
+  Argument for image preprocessing step, tuple of (width, height), decide the target size after resize, default size = {640, 640}
   */
   std::vector<int> size;
   // padding value, size should be the same as channels
diff --git a/fastdeploy/vision/detection/contrib/yolov5.h b/fastdeploy/vision/detection/contrib/yolov5.h
index 15d98e6f2..7be906a9d 100644
--- a/fastdeploy/vision/detection/contrib/yolov5.h
+++ b/fastdeploy/vision/detection/contrib/yolov5.h
@@ -78,7 +78,7 @@ class FASTDEPLOY_DECL YOLOv5 : public FastDeployModel {
       float max_wh = 7680.0);
 
   /*! @brief
-  Argument for image preprocessing step, tuple of (width, height), decide the target size after resize
+  Argument for image preprocessing step, tuple of (width, height), decide the target size after resize, default size = {640, 640}
   */
   std::vector<int> size_;
   // padding value, size should be the same as channels
@@ -96,7 +96,9 @@ class FASTDEPLOY_DECL YOLOv5 : public FastDeployModel {
   int stride_;
   // for offseting the boxes by classes when using NMS
   float max_wh_;
-  /// for different strategies to get boxes when postprocessing
+  /*! @brief
+  Argument for image preprocessing step, for different strategies to get boxes when postprocessing, default true
+  */
   bool multi_label_;
 
  private:
diff --git a/fastdeploy/vision/detection/contrib/yolov5lite.h b/fastdeploy/vision/detection/contrib/yolov5lite.h
index 8bbcf331a..edaa18a63 100644
--- a/fastdeploy/vision/detection/contrib/yolov5lite.h
+++ b/fastdeploy/vision/detection/contrib/yolov5lite.h
@@ -54,7 +54,7 @@ class FASTDEPLOY_DECL YOLOv5Lite : public FastDeployModel {
   void UseCudaPreprocessing(int max_img_size = 3840 * 2160);
 
   /*! @brief
-  Argument for image preprocessing step, tuple of (width, height), decide the target size after resize
+  Argument for image preprocessing step, tuple of (width, height), decide the target size after resize, size = {640, 640}
   */
   std::vector<int> size;
   // padding value, size should be the same as channels
@@ -84,7 +84,7 @@ class FASTDEPLOY_DECL YOLOv5Lite : public FastDeployModel {
     decode module. Please set it 'true' manually if the model file
     was exported with decode module.
     false : ONNX files without decode module.
-    true : ONNX file with decode module.
+    true : ONNX file with decode module. default false.
   */
   bool is_decode_exported;
 
diff --git a/fastdeploy/vision/detection/contrib/yolov6.h b/fastdeploy/vision/detection/contrib/yolov6.h
index 1e0af6fd3..bb6c988cc 100644
--- a/fastdeploy/vision/detection/contrib/yolov6.h
+++ b/fastdeploy/vision/detection/contrib/yolov6.h
@@ -57,7 +57,7 @@ class FASTDEPLOY_DECL YOLOv6 : public FastDeployModel {
   void UseCudaPreprocessing(int max_img_size = 3840 * 2160);
 
   /*! @brief
-  Argument for image preprocessing step, tuple of (width, height), decide the target size after resize
+  Argument for image preprocessing step, tuple of (width, height), decide the target size after resize, default size = {640, 640};
   */
   std::vector<int> size;
   // padding value, size should be the same as channels
diff --git a/fastdeploy/vision/detection/contrib/yolov7.h b/fastdeploy/vision/detection/contrib/yolov7.h
index 2eb038f71..cdf56969e 100644
--- a/fastdeploy/vision/detection/contrib/yolov7.h
+++ b/fastdeploy/vision/detection/contrib/yolov7.h
@@ -54,7 +54,7 @@ class FASTDEPLOY_DECL YOLOv7 : public FastDeployModel {
   void UseCudaPreprocessing(int max_img_size = 3840 * 2160);
 
   /*! @brief
-  Argument for image preprocessing step, tuple of (width, height), decide the target size after resize
+  Argument for image preprocessing step, tuple of (width, height), decide the target size after resize, default size = {640, 640}
   */
   std::vector<int> size;
   // padding value, size should be the same as channels
diff --git a/fastdeploy/vision/detection/contrib/yolov7end2end_ort.h b/fastdeploy/vision/detection/contrib/yolov7end2end_ort.h
index 9434d69ed..b68589579 100644
--- a/fastdeploy/vision/detection/contrib/yolov7end2end_ort.h
+++ b/fastdeploy/vision/detection/contrib/yolov7end2end_ort.h
@@ -48,7 +48,7 @@ class FASTDEPLOY_DECL YOLOv7End2EndORT : public FastDeployModel {
                        float conf_threshold = 0.25);
 
   /*! @brief
-  Argument for image preprocessing step, tuple of (width, height), decide the target size after resize
+  Argument for image preprocessing step, tuple of (width, height), decide the target size after resize, default size = {640, 640}
   */
   std::vector<int> size;
   // padding value, size should be the same as channels
diff --git a/fastdeploy/vision/detection/contrib/yolov7end2end_trt.h b/fastdeploy/vision/detection/contrib/yolov7end2end_trt.h
index f6ce6e943..10b95d02a 100644
--- a/fastdeploy/vision/detection/contrib/yolov7end2end_trt.h
+++ b/fastdeploy/vision/detection/contrib/yolov7end2end_trt.h
@@ -53,7 +53,7 @@ class FASTDEPLOY_DECL YOLOv7End2EndTRT : public FastDeployModel {
   void UseCudaPreprocessing(int max_img_size = 3840 * 2160);
 
   /*! @brief
-  Argument for image preprocessing step, tuple of (width, height), decide the target size after resize
+  Argument for image preprocessing step, tuple of (width, height), decide the target size after resize, default size = {640, 640}
   */
   std::vector<int> size;
   // padding value, size should be the same as channels
diff --git a/fastdeploy/vision/detection/contrib/yolox.h b/fastdeploy/vision/detection/contrib/yolox.h
index c040c28a8..8ad029b95 100644
--- a/fastdeploy/vision/detection/contrib/yolox.h
+++ b/fastdeploy/vision/detection/contrib/yolox.h
@@ -52,7 +52,7 @@ class FASTDEPLOY_DECL YOLOX : public FastDeployModel {
                        float nms_iou_threshold = 0.5);
 
   /*! @brief
-  Argument for image preprocessing step, tuple of (width, height), decide the target size after resize
+  Argument for image preprocessing step, tuple of (width, height), decide the target size after resize, default size = {640, 640}
   */
   std::vector<int> size;
   // padding value, size should be the same as channels
@@ -61,7 +61,7 @@ class FASTDEPLOY_DECL YOLOX : public FastDeployModel {
     whether the model_file was exported with decode module. The official
     YOLOX/tools/export_onnx.py script will export ONNX file without
     decode module. Please set it 'true' manually if the model file
-    was exported with decode module.
+    was exported with decode module. default false.
   */
   bool is_decode_exported;
   // downsample strides for YOLOX to generate anchors,
diff --git a/fastdeploy/vision/facedet/contrib/retinaface.h b/fastdeploy/vision/facedet/contrib/retinaface.h
index e7011df89..c05deedff 100644
--- a/fastdeploy/vision/facedet/contrib/retinaface.h
+++ b/fastdeploy/vision/facedet/contrib/retinaface.h
@@ -65,7 +65,7 @@ class FASTDEPLOY_DECL RetinaFace : public FastDeployModel {
   */
   std::vector<int> downsample_strides;
   /*! @brief
-  Argument for image postprocessing step, min sizes, width and height for each anchor
+  Argument for image postprocessing step, min sizes, width and height for each anchor, default min_sizes = {{16, 32}, {64, 128}, {256, 512}}
   */
   std::vector<std::vector<int>> min_sizes;
   /*! @brief
diff --git a/fastdeploy/vision/facedet/contrib/scrfd.h b/fastdeploy/vision/facedet/contrib/scrfd.h
index 58dd8807b..38da3af42 100644
--- a/fastdeploy/vision/facedet/contrib/scrfd.h
+++ b/fastdeploy/vision/facedet/contrib/scrfd.h
@@ -77,14 +77,16 @@ class FASTDEPLOY_DECL SCRFD : public FastDeployModel {
   */
   int landmarks_per_face;
   /*! @brief
-  Argument for image postprocessing step, the outputs of onnx file with key points features or not
+  Argument for image postprocessing step, the outputs of onnx file with key points features or not, default true
   */
   bool use_kps;
   /*! @brief
-  Argument for image postprocessing step, the upperbond number of boxes processed by nms
+  Argument for image postprocessing step, the upperbond number of boxes processed by nms, default 30000
   */
   int max_nms;
-  /// Argument for image postprocessing step, anchor number of each stride
+  /*! @brief
+  Argument for image postprocessing step, anchor number of each stride, default 2
+  */
   unsigned int num_anchors;
 
  private:
diff --git a/fastdeploy/vision/facedet/contrib/yolov5face.h b/fastdeploy/vision/facedet/contrib/yolov5face.h
index 10479052d..199ed35df 100644
--- a/fastdeploy/vision/facedet/contrib/yolov5face.h
+++ b/fastdeploy/vision/facedet/contrib/yolov5face.h
@@ -51,7 +51,7 @@ class FASTDEPLOY_DECL YOLOv5Face : public FastDeployModel {
                        float nms_iou_threshold = 0.5);
 
   /*! @brief
-  Argument for image preprocessing step, tuple of (width, height), decide the target size after resize
+  Argument for image preprocessing step, tuple of (width, height), decide the target size after resize, default size = {640, 640}
   */
   std::vector<int> size;
   // padding value, size should be the same as channels
@@ -72,7 +72,7 @@ class FASTDEPLOY_DECL YOLOv5Face : public FastDeployModel {
   /*! @brief
     Argument for image postprocessing step, setup the number of landmarks for per face (if have), default 5 in
     official yolov5face note that, the outupt tensor's shape must be:
-    (1,n,4+1+2*landmarks_per_face+1=box+obj+landmarks+cls)
+    (1,n,4+1+2*landmarks_per_face+1=box+obj+landmarks+cls), default 5
   */
   int landmarks_per_face;
 
diff --git a/fastdeploy/vision/faceid/contrib/insightface_rec.h b/fastdeploy/vision/faceid/contrib/insightface_rec.h
index 12f882d7a..2e66d3d71 100644
--- a/fastdeploy/vision/faceid/contrib/insightface_rec.h
+++ b/fastdeploy/vision/faceid/contrib/insightface_rec.h
@@ -44,9 +44,13 @@ class FASTDEPLOY_DECL InsightFaceRecognitionModel : public FastDeployModel {
   Argument for image preprocessing step, tuple of (width, height), decide the target size after resize, default (112, 112)
   */
   std::vector<int> size;
-  ///  Argument for image preprocessing step, alpha values for normalization
+  /*! @brief
+  Argument for image preprocessing step, alpha values for normalization, default alpha = {1.f / 127.5f, 1.f / 127.5f, 1.f / 127.5f};
+  */
   std::vector<float> alpha;
-  ///  Argument for image preprocessing step, beta values for normalization
+  /*! @brief
+  Argument for image preprocessing step, beta values for normalization, default beta = {-1.f, -1.f, -1.f}
+  */
   std::vector<float> beta;
   /*! @brief
   Argument for image preprocessing step, whether to swap the B and R channel, such as BGR->RGB, default true.
diff --git a/fastdeploy/vision/matting/contrib/modnet.h b/fastdeploy/vision/matting/contrib/modnet.h
index 75148b60a..09810a62e 100644
--- a/fastdeploy/vision/matting/contrib/modnet.h
+++ b/fastdeploy/vision/matting/contrib/modnet.h
@@ -44,11 +44,11 @@ class FASTDEPLOY_DECL MODNet : public FastDeployModel {
   */
   std::vector<int> size;
   /*! @brief
-  Argument for image preprocessing step, parameters for normalization, size should be the the same as channels
+  Argument for image preprocessing step, parameters for normalization, size should be the the same as channels, default alpha = {1.f / 127.5f, 1.f / 127.5f, 1.f / 127.5f}
   */
   std::vector<float> alpha;
   /*! @brief
-  Argument for image preprocessing step, parameters for normalization, size should be the the same as channels
+  Argument for image preprocessing step, parameters for normalization, size should be the the same as channels, default beta = {-1.f, -1.f, -1.f}
   */
   std::vector<float> beta;
   /*! @brief
diff --git a/python/fastdeploy/vision/classification/contrib/resnet.py b/python/fastdeploy/vision/classification/contrib/resnet.py
index 52f45933b..46383c159 100644
--- a/python/fastdeploy/vision/classification/contrib/resnet.py
+++ b/python/fastdeploy/vision/classification/contrib/resnet.py
@@ -56,21 +56,21 @@ class ResNet(FastDeployModel):
     @property
     def size(self):
         """
-        Returns the preprocess image size
+        Returns the preprocess image size, default size = [224, 224];
         """
         return self._model.size
 
     @property
     def mean_vals(self):
         """
-        Returns the mean value of normlization
+        Returns the mean value of normlization, default mean_vals = [0.485f, 0.456f, 0.406f];
         """
         return self._model.mean_vals
 
     @property
     def std_vals(self):
         """
-        Returns the std value of normlization
+        Returns the std value of normlization, default std_vals = [0.229f, 0.224f, 0.225f];
         """
         return self._model.std_vals
 
diff --git a/python/fastdeploy/vision/classification/contrib/yolov5cls.py b/python/fastdeploy/vision/classification/contrib/yolov5cls.py
index 8a4744e56..5f401fa1d 100644
--- a/python/fastdeploy/vision/classification/contrib/yolov5cls.py
+++ b/python/fastdeploy/vision/classification/contrib/yolov5cls.py
@@ -52,7 +52,7 @@ class YOLOv5Cls(FastDeployModel):
     @property
     def size(self):
         """
-        Returns the preprocess image size
+        Returns the preprocess image size, default is (224, 224)
         """
         return self._model.size
 
diff --git a/python/fastdeploy/vision/detection/contrib/nanodet_plus.py b/python/fastdeploy/vision/detection/contrib/nanodet_plus.py
index b5a83fe2b..30dfd1257 100644
--- a/python/fastdeploy/vision/detection/contrib/nanodet_plus.py
+++ b/python/fastdeploy/vision/detection/contrib/nanodet_plus.py
@@ -56,7 +56,7 @@ class NanoDetPlus(FastDeployModel):
     @property
     def size(self):
         """
-        Argument for image preprocessing step, the preprocess image size, tuple of (width, height)
+        Argument for image preprocessing step, the preprocess image size, tuple of (width, height),  default (320, 320)
         """
         return self._model.size
 
diff --git a/python/fastdeploy/vision/detection/contrib/scaled_yolov4.py b/python/fastdeploy/vision/detection/contrib/scaled_yolov4.py
index 1e46ba1a1..f9466fe80 100644
--- a/python/fastdeploy/vision/detection/contrib/scaled_yolov4.py
+++ b/python/fastdeploy/vision/detection/contrib/scaled_yolov4.py
@@ -56,7 +56,8 @@ class ScaledYOLOv4(FastDeployModel):
     @property
     def size(self):
         """
-        Argument for image preprocessing step, the preprocess image size, tuple of (width, height)
+        Argument for image preprocessing step, the preprocess image size, tuple of (width, height), default size = [640, 640]
+
         """
         return self._model.size
 
diff --git a/python/fastdeploy/vision/detection/contrib/yolor.py b/python/fastdeploy/vision/detection/contrib/yolor.py
index 6326630e1..1e2454419 100644
--- a/python/fastdeploy/vision/detection/contrib/yolor.py
+++ b/python/fastdeploy/vision/detection/contrib/yolor.py
@@ -56,7 +56,7 @@ class YOLOR(FastDeployModel):
     @property
     def size(self):
         """
-        Argument for image preprocessing step, the preprocess image size, tuple of (width, height)
+        Argument for image preprocessing step, the preprocess image size, tuple of (width, height), default size = [640, 640]
         """
         return self._model.size
 
diff --git a/python/fastdeploy/vision/detection/contrib/yolov5.py b/python/fastdeploy/vision/detection/contrib/yolov5.py
index a5068df5e..5ecef307b 100644
--- a/python/fastdeploy/vision/detection/contrib/yolov5.py
+++ b/python/fastdeploy/vision/detection/contrib/yolov5.py
@@ -81,7 +81,7 @@ class YOLOv5(FastDeployModel):
     @property
     def size(self):
         """
-        Argument for image preprocessing step, the preprocess image size, tuple of (width, height)
+        Argument for image preprocessing step, the preprocess image size, tuple of (width, height), default size = [640, 640]
         """
         return self._model.size
 
@@ -117,6 +117,9 @@ class YOLOv5(FastDeployModel):
 
     @property
     def multi_label(self):
+        """
+        Argument for image preprocessing step, for different strategies to get boxes when postprocessing, default True
+        """
         return self._model.multi_label
 
     @size.setter
diff --git a/python/fastdeploy/vision/detection/contrib/yolov5lite.py b/python/fastdeploy/vision/detection/contrib/yolov5lite.py
index 606dc98c4..c04a348a6 100644
--- a/python/fastdeploy/vision/detection/contrib/yolov5lite.py
+++ b/python/fastdeploy/vision/detection/contrib/yolov5lite.py
@@ -56,7 +56,7 @@ class YOLOv5Lite(FastDeployModel):
     @property
     def size(self):
         """
-        Argument for image preprocessing step, the preprocess image size, tuple of (width, height)
+        Argument for image preprocessing step, the preprocess image size, tuple of (width, height), default size = [640, 640]
         """
         return self._model.size
 
@@ -96,7 +96,8 @@ class YOLOv5Lite(FastDeployModel):
         whether the model_file was exported with decode module.
         The official YOLOv5Lite/export.py script will export ONNX file without decode module.
         Please set it 'true' manually if the model file was exported with decode module.
-        false : ONNX files without decode module. true : ONNX file with decode module.
+        False : ONNX files without decode module. True : ONNX file with decode module.
+        default False
         """
         return self._model.is_decode_exported
 
diff --git a/python/fastdeploy/vision/detection/contrib/yolov6.py b/python/fastdeploy/vision/detection/contrib/yolov6.py
index 9f9533114..61a9c0728 100644
--- a/python/fastdeploy/vision/detection/contrib/yolov6.py
+++ b/python/fastdeploy/vision/detection/contrib/yolov6.py
@@ -56,7 +56,7 @@ class YOLOv6(FastDeployModel):
     @property
     def size(self):
         """
-        Argument for image preprocessing step, the preprocess image size, tuple of (width, height)
+        Argument for image preprocessing step, the preprocess image size, tuple of (width, height), default size = [640, 640]
         """
         return self._model.size
 
diff --git a/python/fastdeploy/vision/detection/contrib/yolov7.py b/python/fastdeploy/vision/detection/contrib/yolov7.py
index 53ef24a10..033450485 100644
--- a/python/fastdeploy/vision/detection/contrib/yolov7.py
+++ b/python/fastdeploy/vision/detection/contrib/yolov7.py
@@ -56,7 +56,7 @@ class YOLOv7(FastDeployModel):
     @property
     def size(self):
         """
-        Argument for image preprocessing step, the preprocess image size, tuple of (width, height)
+        Argument for image preprocessing step, the preprocess image size, tuple of (width, height), default size = [640, 640]
         """
         return self._model.size
 
diff --git a/python/fastdeploy/vision/detection/contrib/yolov7end2end_ort.py b/python/fastdeploy/vision/detection/contrib/yolov7end2end_ort.py
index e16ec6a90..47a07feff 100644
--- a/python/fastdeploy/vision/detection/contrib/yolov7end2end_ort.py
+++ b/python/fastdeploy/vision/detection/contrib/yolov7end2end_ort.py
@@ -54,7 +54,7 @@ class YOLOv7End2EndORT(FastDeployModel):
     @property
     def size(self):
         """
-        Argument for image preprocessing step, the preprocess image size, tuple of (width, height)
+        Argument for image preprocessing step, the preprocess image size, tuple of (width, height), default size = [640, 640]
         """
         return self._model.size
 
diff --git a/python/fastdeploy/vision/detection/contrib/yolov7end2end_trt.py b/python/fastdeploy/vision/detection/contrib/yolov7end2end_trt.py
index 4a2621b44..7059c9d1d 100644
--- a/python/fastdeploy/vision/detection/contrib/yolov7end2end_trt.py
+++ b/python/fastdeploy/vision/detection/contrib/yolov7end2end_trt.py
@@ -54,7 +54,7 @@ class YOLOv7End2EndTRT(FastDeployModel):
     @property
     def size(self):
         """
-        Argument for image preprocessing step, the preprocess image size, tuple of (width, height)
+        Argument for image preprocessing step, the preprocess image size, tuple of (width, height), default size = [640, 640]
         """
         return self._model.size
 
diff --git a/python/fastdeploy/vision/detection/contrib/yolox.py b/python/fastdeploy/vision/detection/contrib/yolox.py
index c121cd802..ae042b150 100644
--- a/python/fastdeploy/vision/detection/contrib/yolox.py
+++ b/python/fastdeploy/vision/detection/contrib/yolox.py
@@ -56,7 +56,7 @@ class YOLOX(FastDeployModel):
     @property
     def size(self):
         """
-        Argument for image preprocessing step, the preprocess image size, tuple of (width, height)
+        Argument for image preprocessing step, the preprocess image size, tuple of (width, height), default size = [640, 640]
         """
         return self._model.size
 
@@ -71,6 +71,7 @@ class YOLOX(FastDeployModel):
         whether the model_file was exported with decode module.
         The official YOLOX/tools/export_onnx.py script will export ONNX file without decode module.
         Please set it 'true' manually if the model file was exported with decode module.
+        Defalut False.
         """
         return self._model.is_decode_exported
 
diff --git a/python/fastdeploy/vision/facedet/contrib/retinaface.py b/python/fastdeploy/vision/facedet/contrib/retinaface.py
index 9afa5055c..895aeebf2 100644
--- a/python/fastdeploy/vision/facedet/contrib/retinaface.py
+++ b/python/fastdeploy/vision/facedet/contrib/retinaface.py
@@ -56,7 +56,7 @@ class RetinaFace(FastDeployModel):
     @property
     def size(self):
         """
-        Argument for image preprocessing step, the preprocess image size, tuple of (width, height)
+        Argument for image preprocessing step, the preprocess image size, tuple of (width, height), default (640, 640)
         """
         return self._model.size
 
@@ -77,7 +77,7 @@ class RetinaFace(FastDeployModel):
     @property
     def min_sizes(self):
         """
-        Argument for image postprocessing step, min sizes, width and height for each anchor
+        Argument for image postprocessing step, min sizes, width and height for each anchor, default min_sizes = [[16, 32], [64, 128], [256, 512]]
         """
         return self._model.min_sizes
 
diff --git a/python/fastdeploy/vision/facedet/contrib/scrfd.py b/python/fastdeploy/vision/facedet/contrib/scrfd.py
index fa8e1cfd7..96171088c 100644
--- a/python/fastdeploy/vision/facedet/contrib/scrfd.py
+++ b/python/fastdeploy/vision/facedet/contrib/scrfd.py
@@ -56,7 +56,7 @@ class SCRFD(FastDeployModel):
     @property
     def size(self):
         """
-        Argument for image preprocessing step, the preprocess image size, tuple of (width, height)
+        Argument for image preprocessing step, the preprocess image size, tuple of (width, height), default (640, 640)
         """
         return self._model.size
 
@@ -87,22 +87,40 @@ class SCRFD(FastDeployModel):
 
     @property
     def downsample_strides(self):
+        """
+        Argument for image postprocessing step,
+        downsample strides (namely, steps) for SCRFD to generate anchors,
+        will take (8,16,32) as default values
+        """
         return self._model.downsample_strides
 
     @property
     def landmarks_per_face(self):
+        """
+        Argument for image postprocessing step, landmarks_per_face, default 5 in SCRFD
+        """
         return self._model.landmarks_per_face
 
     @property
     def use_kps(self):
+        """
+        Argument for image postprocessing step,
+        the outputs of onnx file with key points features or not, default true
+        """
         return self._model.use_kps
 
     @property
     def max_nms(self):
+        """
+        Argument for image postprocessing step, the upperbond number of boxes processed by nms, default 30000
+        """
         return self._model.max_nms
 
     @property
     def num_anchors(self):
+        """
+        Argument for image postprocessing step, anchor number of each stride, default 2
+        """
         return self._model.num_anchors
 
     @size.setter
diff --git a/python/fastdeploy/vision/facedet/contrib/ultraface.py b/python/fastdeploy/vision/facedet/contrib/ultraface.py
index 8d84a6d86..d4a007c17 100644
--- a/python/fastdeploy/vision/facedet/contrib/ultraface.py
+++ b/python/fastdeploy/vision/facedet/contrib/ultraface.py
@@ -56,7 +56,7 @@ class UltraFace(FastDeployModel):
     @property
     def size(self):
         """
-        Argument for image preprocessing step, the preprocess image size, tuple of (width, height)
+        Argument for image preprocessing step, the preprocess image size, tuple of (width, height), default (320, 240)
         """
         return self._model.size
 
diff --git a/python/fastdeploy/vision/facedet/contrib/yolov5face.py b/python/fastdeploy/vision/facedet/contrib/yolov5face.py
index be09e840a..50acb2012 100644
--- a/python/fastdeploy/vision/facedet/contrib/yolov5face.py
+++ b/python/fastdeploy/vision/facedet/contrib/yolov5face.py
@@ -56,7 +56,7 @@ class YOLOv5Face(FastDeployModel):
     @property
     def size(self):
         """
-        Argument for image preprocessing step, the preprocess image size, tuple of (width, height)
+        Argument for image preprocessing step, the preprocess image size, tuple of (width, height), default size = [640,640]
         """
         return self._model.size
 
diff --git a/python/fastdeploy/vision/faceid/contrib/adaface.py b/python/fastdeploy/vision/faceid/contrib/adaface.py
index c0b6d9b1d..140cdb504 100644
--- a/python/fastdeploy/vision/faceid/contrib/adaface.py
+++ b/python/fastdeploy/vision/faceid/contrib/adaface.py
@@ -52,35 +52,36 @@ class AdaFace(FastDeployModel):
     @property
     def size(self):
         """
-        Argument for image preprocessing step, the preprocess image size, tuple of (width, height)
+        Argument for image preprocessing step, the preprocess image size, tuple of (width, height), default (112, 112)
         """
         return self._model.size
 
     @property
     def alpha(self):
         """
-        Argument for image preprocessing step, alpha value for normalization
+        Argument for image preprocessing step, alpha value for normalization, default alpha = [1.f / 127.5f, 1.f / 127.5f, 1.f / 127.5f]
         """
         return self._model.alpha
 
     @property
     def beta(self):
         """
-        Argument for image preprocessing step, beta value for normalization
+        Argument for image preprocessing step, beta values for normalization, default beta = {-1.f, -1.f, -1.f}
+
         """
         return self._model.beta
 
     @property
     def swap_rb(self):
         """
-        Argument for image preprocessing step, whether to swap the B and R channel, such as BGR->RGB, default true.
+        Argument for image preprocessing step, whether to swap the B and R channel, such as BGR->RGB, default True.
         """
         return self._model.swap_rb
 
     @property
     def l2_normalize(self):
         """
-        Argument for image preprocessing step, whether to apply l2 normalize to embedding values, default;
+        Argument for image preprocessing step, whether to apply l2 normalize to embedding values, default False;
         """
         return self._model.l2_normalize
 
diff --git a/python/fastdeploy/vision/faceid/contrib/arcface.py b/python/fastdeploy/vision/faceid/contrib/arcface.py
index be0a09d95..f4341b170 100644
--- a/python/fastdeploy/vision/faceid/contrib/arcface.py
+++ b/python/fastdeploy/vision/faceid/contrib/arcface.py
@@ -54,35 +54,35 @@ class ArcFace(FastDeployModel):
     @property
     def size(self):
         """
-        Argument for image preprocessing step, the preprocess image size, tuple of (width, height)
+        Argument for image preprocessing step, the preprocess image size, tuple of (width, height), default (112, 112)
         """
         return self._model.size
 
     @property
     def alpha(self):
         """
-        Argument for image preprocessing step, alpha value for normalization
+        Argument for image preprocessing step, alpha value for normalization, default alpha = [1.f / 127.5f, 1.f / 127.5f, 1.f / 127.5f]
         """
         return self._model.alpha
 
     @property
     def beta(self):
         """
-        Argument for image preprocessing step, beta value for normalization
+        Argument for image preprocessing step, beta values for normalization, default beta = {-1.f, -1.f, -1.f}
         """
         return self._model.beta
 
     @property
     def swap_rb(self):
         """
-        Argument for image preprocessing step, whether to swap the B and R channel, such as BGR->RGB, default true.
+        Argument for image preprocessing step, whether to swap the B and R channel, such as BGR->RGB, default True.
         """
         return self._model.swap_rb
 
     @property
     def l2_normalize(self):
         """
-        Argument for image preprocessing step, whether to apply l2 normalize to embedding values, default;
+        Argument for image preprocessing step, whether to apply l2 normalize to embedding values, default False;
         """
         return self._model.l2_normalize
 
diff --git a/python/fastdeploy/vision/faceid/contrib/cosface.py b/python/fastdeploy/vision/faceid/contrib/cosface.py
index 982f3c481..61d1f2cb9 100644
--- a/python/fastdeploy/vision/faceid/contrib/cosface.py
+++ b/python/fastdeploy/vision/faceid/contrib/cosface.py
@@ -53,28 +53,28 @@ class CosFace(FastDeployModel):
     @property
     def size(self):
         """
-        Argument for image preprocessing step, the preprocess image size, tuple of (width, height)
+        Argument for image preprocessing step, the preprocess image size, tuple of (width, height), default (112, 112)
         """
         return self._model.size
 
     @property
     def alpha(self):
         """
-        Argument for image preprocessing step, alpha value for normalization
+        Argument for image preprocessing step, alpha value for normalization, default alpha = [1.f / 127.5f, 1.f / 127.5f, 1.f / 127.5f]
         """
         return self._model.alpha
 
     @property
     def beta(self):
         """
-        Argument for image preprocessing step, beta value for normalization
+        Argument for image preprocessing step, beta values for normalization, default beta = {-1.f, -1.f, -1.f}
         """
         return self._model.beta
 
     @property
     def swap_rb(self):
         """
-        Argument for image preprocessing step, whether to swap the B and R channel, such as BGR->RGB, default true.
+        Argument for image preprocessing step, whether to swap the B and R channel, such as BGR->RGB, default True.
         """
         return self._model.swap_rb
 
diff --git a/python/fastdeploy/vision/faceid/contrib/insightface_rec.py b/python/fastdeploy/vision/faceid/contrib/insightface_rec.py
index 2793b88f4..ea4aed81a 100644
--- a/python/fastdeploy/vision/faceid/contrib/insightface_rec.py
+++ b/python/fastdeploy/vision/faceid/contrib/insightface_rec.py
@@ -53,28 +53,28 @@ class InsightFaceRecognitionModel(FastDeployModel):
     @property
     def size(self):
         """
-        Argument for image preprocessing step, the preprocess image size, tuple of (width, height)
+        Argument for image preprocessing step, the preprocess image size, tuple of (width, height), default (112, 112)
         """
         return self._model.size
 
     @property
     def alpha(self):
         """
-        Argument for image preprocessing step, alpha value for normalization
+        Argument for image preprocessing step, alpha value for normalization, default alpha = [1.f / 127.5f, 1.f / 127.5f, 1.f / 127.5f]
         """
         return self._model.alpha
 
     @property
     def beta(self):
         """
-        Argument for image preprocessing step, beta value for normalization
+        Argument for image preprocessing step, beta values for normalization, default beta = {-1.f, -1.f, -1.f}
         """
         return self._model.beta
 
     @property
     def swap_rb(self):
         """
-        Argument for image preprocessing step, whether to swap the B and R channel, such as BGR->RGB, default true.
+        Argument for image preprocessing step, whether to swap the B and R channel, such as BGR->RGB, default True.
         """
         return self._model.swap_rb
 
diff --git a/python/fastdeploy/vision/faceid/contrib/partial_fc.py b/python/fastdeploy/vision/faceid/contrib/partial_fc.py
index de31b0a27..0798af56e 100644
--- a/python/fastdeploy/vision/faceid/contrib/partial_fc.py
+++ b/python/fastdeploy/vision/faceid/contrib/partial_fc.py
@@ -53,28 +53,28 @@ class PartialFC(FastDeployModel):
     @property
     def size(self):
         """
-        Argument for image preprocessing step, the preprocess image size, tuple of (width, height)
+        Argument for image preprocessing step, the preprocess image size, tuple of (width, height), default (112, 112)
         """
         return self._model.size
 
     @property
     def alpha(self):
         """
-        Argument for image preprocessing step, alpha value for normalization
+        Argument for image preprocessing step, alpha value for normalization, default alpha = [1.f / 127.5f, 1.f / 127.5f, 1.f / 127.5f]
         """
         return self._model.alpha
 
     @property
     def beta(self):
         """
-        Argument for image preprocessing step, beta value for normalization
+        Argument for image preprocessing step, beta values for normalization, default beta = {-1.f, -1.f, -1.f}
         """
         return self._model.beta
 
     @property
     def swap_rb(self):
         """
-        Argument for image preprocessing step, whether to swap the B and R channel, such as BGR->RGB, default true.
+        Argument for image preprocessing step, whether to swap the B and R channel, such as BGR->RGB, default True.
         """
         return self._model.swap_rb
 
diff --git a/python/fastdeploy/vision/faceid/contrib/vpl.py b/python/fastdeploy/vision/faceid/contrib/vpl.py
index 3a8df5f16..5db5b4e67 100644
--- a/python/fastdeploy/vision/faceid/contrib/vpl.py
+++ b/python/fastdeploy/vision/faceid/contrib/vpl.py
@@ -53,28 +53,28 @@ class VPL(FastDeployModel):
     @property
     def size(self):
         """
-        Argument for image preprocessing step, the preprocess image size, tuple of (width, height)
+        Argument for image preprocessing step, the preprocess image size, tuple of (width, height), default (112, 112)
         """
         return self._model.size
 
     @property
     def alpha(self):
         """
-        Argument for image preprocessing step, alpha value for normalization
+        Argument for image preprocessing step, alpha value for normalization, default alpha = [1.f / 127.5f, 1.f / 127.5f, 1.f / 127.5f]
         """
         return self._model.alpha
 
     @property
     def beta(self):
         """
-        Argument for image preprocessing step, beta value for normalization
+        Argument for image preprocessing step, beta values for normalization, default beta = {-1.f, -1.f, -1.f}
         """
         return self._model.beta
 
     @property
     def swap_rb(self):
         """
-        Argument for image preprocessing step, whether to swap the B and R channel, such as BGR->RGB, default true.
+        Argument for image preprocessing step, whether to swap the B and R channel, such as BGR->RGB, default True.
         """
         return self._model.swap_rb
 
diff --git a/python/fastdeploy/vision/matting/contrib/modnet.py b/python/fastdeploy/vision/matting/contrib/modnet.py
index 33fb5a025..da8f6c1d0 100644
--- a/python/fastdeploy/vision/matting/contrib/modnet.py
+++ b/python/fastdeploy/vision/matting/contrib/modnet.py
@@ -53,28 +53,28 @@ class MODNet(FastDeployModel):
     @property
     def size(self):
         """
-        Argument for image preprocessing step, the preprocess image size, tuple of (width, height)
+        Argument for image preprocessing step, the preprocess image size, tuple of (width, height), default size = [256,256]
         """
         return self._model.size
 
     @property
     def alpha(self):
         """
-        Argument for image preprocessing step, alpha value for normalization
+        Argument for image preprocessing step, alpha value for normalization, default alpha = {1.f / 127.5f, 1.f / 127.5f, 1.f / 127.5f}
         """
         return self._model.alpha
 
     @property
     def beta(self):
         """
-        Argument for image preprocessing step, beta value for normalization
+        Argument for image preprocessing step, beta value for normalization, default beta = {-1.f, -1.f, -1.f}
         """
         return self._model.beta
 
     @property
     def swap_rb(self):
         """
-        Argument for image preprocessing step, whether to swap the B and R channel, such as BGR->RGB, default true.
+        Argument for image preprocessing step, whether to swap the B and R channel, such as BGR->RGB, default True.
         """
         return self._model.swap_rb