feat: add load_dataset error capture

chore: adjust log detail and LOW_ACCURACY_THRESHOLD

public/challenge/knn/main.py

@@ -127,7 +127,7 @@ def main(name, id):
     try:
         user_func = load_user_function(user_code_file, user_function_name)
     except Exception as e:
-        log_details.append(f"Error loading user function: {e}")
+        log_details.append(f"加载自定义函数时出错: {e}")
         print("\n".join(log_details))
         return
 

public/experiment/knn/main.py

@@ -6,7 +6,7 @@ import traceback
 
 EXP_URL = "http://10.2.1.195:880"
 PROJECT_NAME = "experiment_knn"
-LOW_ACCURACY_THRESHOLD = 0.9
+LOW_ACCURACY_THRESHOLD = 0.92
 
 
 def load_user_function(file_path, function_name):
@@ -122,15 +122,21 @@ def main(name, id):
         user_load_dataset = load_user_function(user_code_file, user_load_dataset_name)
         user_func = load_user_function(user_code_file, user_function_name)
     except Exception as e:
-        log_details.append(f"Error loading user function: {e}")
+        log_details.append(f"加载自定义函数时出错: {e}")
         print("\n".join(log_details))
         return
 
     load_start_time = time.time()
 
     # 加载数据集
-    train_data, train_labels = user_load_dataset("trainingDigits")
-    test_data, test_labels = user_load_dataset("testDigits")
+    try:
+        train_data, train_labels = user_load_dataset("trainingDigits")
+        test_data, test_labels = user_load_dataset("testDigits")
+    except Exception as e:
+        print(f"加载数据集时出错: {e}")
+        print("请检查 load_dataset 函数是否正确！")
+        print("本次评测无效，记录不做提交！")
+        return
 
     load_end_time = time.time()