diff --git a/flask_app/routes/test_preprocess.py b/flask_app/routes/test_preprocess.py
index 04c8990..f6a105f 100644
--- a/flask_app/routes/test_preprocess.py
+++ b/flask_app/routes/test_preprocess.py
@@ -1,3 +1,4 @@
+import multiprocessing
 import os
 
 from flask import request, jsonify, Blueprint, g
@@ -30,12 +31,9 @@ def process_file():
         # print(file_path)
         # 调用预处理函数
         start_time = time.time()
-        result = preprocess_files(
-            output_folder=output_folder,
-            file_path=file_path,
-            file_type=file_type,
-            logger=logger
-        )
+        with multiprocessing.Pool(processes=1) as pool:
+            # 调用 apply 或 apply_async 执行子进程任务
+            result = pool.apply(preprocess_files, args=(output_folder, file_path, 2, logger,))
 
         # 处理结果
         if not result: