diff --git a/ayf_ocr/09API搭建与课程总结/README.md b/ayf_ocr/09API搭建与课程总结/README.md
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+# 知识点：改写框架，api调用
+
+框架目录结构
+
+![属性文本](./img/1.png)
+
+main.py api启动文件
+
+    from flask import Flask, request, jsonify
+    from detect import YOLOv5
+    from utils.general import cv2
+    import numpy as np
+    import base64
+    
+    app = Flask(__name__)
+    yolov_5 = YOLOv5()
+    
+    
+    @app.route("/", methods=["POST"])
+    def index():
+        images = request.values.get("images")
+        input_image = base64.b64decode(images)
+        imBytes = np.frombuffer(input_image, np.uint8)
+        iImage = cv2.imdecode(imBytes, cv2.IMREAD_COLOR)
+        result = yolov_5.infer(iImage)
+        result = result[0].view(-1).int()
+        res_dict = {'coordinate': result.tolist()}
+        print(res_dict)
+        return jsonify(res_dict)
+    
+    
+    if __name__ == '__main__':
+        app.run(
+            host='127.0.0.1',
+            port=8888,
+            debug=True
+        )
+
+test.py 测试文件
+
+    import base64
+    import requests
+    
+    with open('16329967796715117.jpg', 'rb') as f:
+        image = base64.b64encode(f.read())
+    
+    data = {
+        'images': image
+    }
+    
+    response = requests.post('http://127.0.0.1:8888/', data=data)
+    print(response.json())
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