Update api_server.py

api_server.py

@@ -84,11 +84,12 @@ def predict():
 
     #user_id = request.args.get('user_id') 
     file = request.files['image']
-    message_id = str(uuid.uuid4()) # 生成一個唯一的 message_id
+    message_id = request.form.get('message_id') #str(uuid.uuid4()) # 生成一個唯一的 message_id
     
     if 'image' not in request.files:
         # Handle if no file is selected
-        return 'No file selected'
+        return jsonify({"error": "No image part"}), 400
+        #return 'No file selected'
 
     # 讀取圖像
     try: