diff --git a/README.md b/README.md
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+## Imgae matting
+
+Here are a few effects：
+
+![image-20240104235235787](C:\Users\96153\AppData\Roaming\Typora\typora-user-images\image-20240104235235787.png)
+
+![image-20240104235305391](C:\Users\96153\AppData\Roaming\Typora\typora-user-images\image-20240104235305391.png)
+
+ 
+
+## How to Run
+
+Firstly, you need to download the project code and install the required dependencies
+
+```
+git clone https://github.com/ihmily/image-matting.git
+cd image-matting
+pip install -r requirements.txt
+```
+
+Next, you can use the following command to run the web interface
+
+```
+python app.py
+```
+
+Finally, you can visit  http://127.0.0.1:8000
+
+ 
+
+## References
+
+[https://modelscope.cn/models/damo/cv_unet_universal-matting/summary](https://modelscope.cn/models/damo/cv_unet_universal-matting/summary)
+
+[https://modelscope.cn/models/damo/cv_unet_image-matting/summary](https://modelscope.cn/models/damo/cv_unet_image-matting/summary)
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diff --git a/app.py b/app.py
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+# -*- coding: utf-8 -*-
+
+import sys
+from fastapi import FastAPI, File, UploadFile, Form, Response
+from fastapi import Request
+import requests
+import cv2
+from modelscope.pipelines import pipeline
+from modelscope.utils.constant import Tasks
+from modelscope.outputs import OutputKeys
+import numpy as np
+from starlette.staticfiles import StaticFiles
+from starlette.templating import Jinja2Templates
+
+app = FastAPI()
+
+model_paths = {
+    "universal": {'path': 'damo/cv_unet_universal-matting', 'task': Tasks.universal_matting},
+    "people": {'path': 'damo/cv_unet_image-matting', 'task': Tasks.portrait_matting},
+}
+
+default_model = list(model_paths.keys())[0]
+default_model_info = model_paths[default_model]
+loaded_models = {default_model: pipeline(default_model_info['task'], model=default_model_info['path'])}
+
+
+class ModelLoader:
+    def __init__(self):
+        self.loaded_models = {default_model: loaded_models[default_model]}
+
+    def load_model(self, model_name):
+        if model_name not in self.loaded_models:
+            model_info = model_paths[model_name]
+            model_path = model_info['path']
+            task_group = model_info['task']
+
+            self.loaded_models[model_name] = pipeline(task_group, model=model_path)
+        return self.loaded_models[model_name]
+
+
+model_loader = ModelLoader()
+
+
+@app.post("/switch_model/{new_model}")
+async def switch_model(new_model: str):
+    if new_model not in model_paths:
+        return {"content": "Invalid model selection"}, 400
+    model_info = model_paths[new_model]
+
+    loaded_models[new_model] = pipeline(model_info['task'], model=model_info['path'])
+    model_loader.loaded_models = loaded_models
+    return {"content": f"Switched to model: {new_model}"}, 200
+
+
+@app.post("/matting")
+async def matting(image: UploadFile = File(...), model: str = Form(default=default_model, alias="model")):
+    image_bytes = await image.read()
+    img = cv2.imdecode(np.frombuffer(image_bytes, np.uint8), cv2.IMREAD_COLOR)
+
+    if model not in model_paths:
+        return {"content": "Invalid model selection"}, 400
+
+    selected_model = model_loader.load_model(model)
+
+    result = selected_model(img)
+
+    output_img = result[OutputKeys.OUTPUT_IMG]
+
+    output_bytes = cv2.imencode('.png', output_img)[1].tobytes()
+
+    return Response(content=output_bytes, media_type='image/png')
+
+
+@app.post("/matting/url")
+async def matting_url(request: Request, model: str = Form(default=default_model, alias="model")):
+    try:
+        json_data = await request.json()
+        image_url = json_data.get("image_url")
+    except Exception as e:
+        return {"content": f"Error parsing JSON data: {str(e)}"}, 400
+
+    if not image_url:
+        return {"content": "Image URL is required"}, 400
+
+    response = requests.get(image_url)
+    if response.status_code != 200:
+        return {"content": "Failed to fetch image from URL"}, 400
+
+    img_array = np.frombuffer(response.content, dtype=np.uint8)
+    img = cv2.imdecode(img_array, cv2.IMREAD_COLOR)
+
+    if model not in model_paths:
+        return {"content": "Invalid model selection"}, 400
+
+    selected_model = model_loader.load_model(model)
+
+    result = selected_model(img)
+
+    output_img = result[OutputKeys.OUTPUT_IMG]
+
+    output_bytes = cv2.imencode('.png', output_img)[1].tobytes()
+
+    return Response(content=output_bytes, media_type='image/png')
+
+
+templates = Jinja2Templates(directory="web")
+app.mount("/static", StaticFiles(directory="web/static"), name="static")
+
+
+@app.get("/")
+async def read_index(request: Request):
+    return templates.TemplateResponse("index.html", {"request": request, "default_model": default_model,
+                                                     "available_models": list(model_paths.keys())})
+
+
+if __name__ == "__main__":
+    import uvicorn
+    defult_bind_host = "0.0.0.0" if sys.platform != "win32" else "127.0.0.1"
+    uvicorn.run(app, host=defult_bind_host, port=8000)
diff --git a/requirements.txt b/requirements.txt
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+fastapi==0.108.0
+opencv-python
+requests
+modelscope>=1.10.0
+torch==2.1.2
+transformers==4.36.2
+sentencepiece==0.1.*
+tensorflow
+python-multipart
+uvicorn
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diff --git a/web/index.html b/web/index.html
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+<!DOCTYPE html>
+<html lang="en">
+
+<head>
+    <meta charset="UTF-8">
+    <meta name="viewport" content="width=device-width, initial-scale=1.0">
+    <title>Image Matting</title>
+    <style>
+        body {
+            font-family: 'Arial', sans-serif;
+            background-color: #f4f4f4;
+            margin: 0;
+            padding: 0;
+        }
+
+        header {
+            background-color: #333;
+            color: white;
+            padding: 1em;
+            text-align: center;
+        }
+
+        main {
+            max-width: 800px;
+            margin: 2em auto;
+            background-color: white;
+            padding: 2em;
+            box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
+            text-align: center;
+        }
+
+        #upload-form {
+            text-align: center;
+            margin-bottom: 2em;
+        }
+
+        #images-container {
+            display: flex;
+            justify-content: space-between;
+            align-items: center;
+        }
+
+        #original-img,
+        #result-img {
+            max-width: 45%;
+            height: auto;
+            border: 1px solid #ccc;
+        }
+    </style>
+</head>
+
+<body>
+    <header>
+        <h1>Image Matting</h1>
+    </header>
+    <a href="https://github.com/ihmily"><img style="position: absolute; top: 0; right: 0; border: 0;" decoding="async" width="149" height="149" src="/static/images/forkme_right_gray_6d6d6d.png" class="attachment-full size-full" alt="Fork me on GitHub" loading="lazy" data-recalc-dims="1"></a>
+    <main>
+        <form id="upload-form" enctype="multipart/form-data">
+            <label for="image-upload">Select an image:</label>
+            <input type="file" id="image-upload" accept="image/*" required>
+
+            <label for="model-select">Select a model:</label>
+            <select id="model-select" name="model">
+                {% for model in available_models %}
+                <option value="{{ model }}" {% if model == default_model %}selected{% endif %}>{{ model }}</option>
+                {% endfor %}
+            </select>
+
+            <button type="button" id="run" onclick="uploadImage()">Upload</button>
+        </form>
+
+        <div id="images-container">
+            <img id="original-img" alt=" " src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7">
+            <img id="result-img" alt=" " src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7">
+        </div>
+    </main>
+
+    <script>
+        document.getElementById("image-upload").addEventListener("change", function() {
+            const inputElement = this;
+            const file = inputElement.files[0];
+
+            if (file) {
+                const originalImgElement = document.getElementById("original-img");
+                originalImgElement.src = URL.createObjectURL(file);
+                document.getElementById("result-img").src = "data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7";
+            }
+        });
+
+        async function uploadImage() {
+            const inputElement = document.getElementById("image-upload");
+            const file = inputElement.files[0];
+
+            if (file) {
+                const formData = new FormData();
+                formData.append("image", file);
+
+                const modelSelect = document.getElementById("model-select");
+                const selectedModel = modelSelect.value;
+
+                formData.append("model", selectedModel);
+
+                const response = await fetch("/matting", {
+                    method: "POST",
+                    body: formData,
+                });
+
+                if (response.ok) {
+                    const resultBlob = await response.blob();
+                    const resultImgElement = document.getElementById("result-img");
+                    resultImgElement.src = URL.createObjectURL(resultBlob);
+                } else {
+                    alert("Matting failed. Please try again.");
+                }
+            } else {
+                alert("Please select an image.");
+            }
+        }
+
+        document.getElementById("model-select").addEventListener("change", function() {
+            const newModel = this.value;
+
+            alert(`Switching to model: ${newModel}`);
+
+            fetch(`/switch_model/${newModel}`, {
+                    method: "POST",
+                })
+                .then(response => {
+                    if (!response.ok) {
+                        throw new Error(`HTTP error! status: ${response.status}`);
+                    }
+                    return response.json();
+                })
+                .then(data => {
+                    alert(`Switched to model: ${newModel}`);
+                })
+                .catch(error => {
+                    alert(`Model switch failed. Please try again. Error: ${error}`);
+                });
+        });
+    </script>
+</body>
+
+</html>
+
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