diff --git a/examples/vision/segmentation/paddleseg/cpp/infer.cc b/examples/vision/segmentation/paddleseg/cpp/infer.cc
index 37f16f04eb..d3c4627043 100644
--- a/examples/vision/segmentation/paddleseg/cpp/infer.cc
+++ b/examples/vision/segmentation/paddleseg/cpp/infer.cc
@@ -43,7 +43,7 @@ void CpuInfer(const std::string& model_dir, const std::string& image_file) {
   }
 
   std::cout << res.Str() << std::endl;
-  auto vis_im = fastdeploy::vision::VisSegmentation(im, res);
+  auto vis_im = fastdeploy::vision::VisSegmentation(im, res, 0.5);
   cv::imwrite("vis_result.jpg", vis_im);
   std::cout << "Visualized result saved in ./vis_result.jpg" << std::endl;
 }
@@ -72,7 +72,7 @@ void GpuInfer(const std::string& model_dir, const std::string& image_file) {
   }
 
   std::cout << res.Str() << std::endl;
-  auto vis_im = fastdeploy::vision::VisSegmentation(im, res);
+  auto vis_im = fastdeploy::vision::VisSegmentation(im, res, 0.5);
   cv::imwrite("vis_result.jpg", vis_im);
   std::cout << "Visualized result saved in ./vis_result.jpg" << std::endl;
 }
@@ -102,7 +102,7 @@ void TrtInfer(const std::string& model_dir, const std::string& image_file) {
   }
 
   std::cout << res.Str() << std::endl;
-  auto vis_im = fastdeploy::vision::VisSegmentation(im, res);
+  auto vis_im = fastdeploy::vision::VisSegmentation(im, res, 0.5);
   cv::imwrite("vis_result.jpg", vis_im);
   std::cout << "Visualized result saved in ./vis_result.jpg" << std::endl;
 }
diff --git a/examples/vision/segmentation/paddleseg/python/infer.py b/examples/vision/segmentation/paddleseg/python/infer.py
index dd65ebf273..866e32bfb8 100644
--- a/examples/vision/segmentation/paddleseg/python/infer.py
+++ b/examples/vision/segmentation/paddleseg/python/infer.py
@@ -53,5 +53,5 @@ def build_option(args):
 print(result)
 
 # 可视化结果
-vis_im = fd.vision.visualize.vis_segmentation(im, result)
+vis_im = fd.vision.vis_segmentation(im, result, weight=0.5)
 cv2.imwrite("vis_img.png", vis_im)
diff --git a/python/fastdeploy/vision/visualize/__init__.py b/python/fastdeploy/vision/visualize/__init__.py
index 37ac727dca..403ac1e3ad 100644
--- a/python/fastdeploy/vision/visualize/__init__.py
+++ b/python/fastdeploy/vision/visualize/__init__.py
@@ -36,8 +36,8 @@ def vis_face_detection(im_data, face_det_result, line_size=1, font_size=0.5):
                                        font_size)
 
 
-def vis_segmentation(im_data, seg_result):
-    return C.vision.vis_segmentation(im_data, seg_result)
+def vis_segmentation(im_data, seg_result, weight=0.5):
+    return C.vision.vis_segmentation(im_data, seg_result, weight)
 
 
 def vis_matting_alpha(im_data,