Update app.py

app.py

@@ -102,7 +102,8 @@ def load_id_answer_mapping():
 def evaluate_uploaded_json(user_file):
     print(user_file)
     id_answer_mapping = load_id_answer_mapping()  # 读取答案映射
-    user_data = json.load(user_file)
+    with open(user_file, "r", encoding="utf-8") as f:
+        user_data = json.load(f)  # 读取 JSON 文件
 
     correct = sum(1 for item in user_data if id_answer_mapping.get(item["id"]) == item.get("answer"))
     total = len(user_data)