diff --git a/scripts/delete_old_runs.py b/scripts/delete_old_runs.py
index ddf8bd9..d08c732 100644
--- a/scripts/delete_old_runs.py
+++ b/scripts/delete_old_runs.py
@@ -1,7 +1,6 @@
 # 必要的依赖库
 import requests
 from datetime import datetime, timedelta, timezone
-from concurrent.futures import ThreadPoolExecutor
 import os
 
 
@@ -30,7 +29,7 @@ class GitHubActionsManager:
         else:  # 如果删除失败
             print(f"Failed to delete run with ID {run_id}. Status code: {response.status_code}")  # 打印错误信息
 
-    def delete_old_runs(self, max_workers=1):
+    def delete_old_runs(self):
         next_page = self.runs_url  # 初始化下一页的URL为第一页
         while next_page:  # 循环直到没有下一页
             # 发送GET请求获取一页工作流运行记录
@@ -40,14 +39,13 @@ class GitHubActionsManager:
                 runs = data["workflow_runs"]  # 获取运行记录列表
                 next_page = response.links.get("next", {}).get("url")  # 获取下一页的URL
 
-                with ThreadPoolExecutor(max_workers=max_workers) as executor:  # 创建线程池
-                    for run in runs:  # 遍历每条运行记录
-                        # 将运行记录的创建时间转换为UTC时间
-                        run_time = datetime.strptime(run["created_at"], "%Y-%m-%dT%H:%M:%SZ").replace(tzinfo=timezone.utc)
-                        # 计算当前时间与运行记录创建时间的差值
-                        time_difference = self.current_time - run_time
-                        if time_difference > timedelta(hours=168):  # 如果差值超过168小时
-                            executor.submit(self.delete_run, run["id"])  # 提交删除运行记录的任务
+                for run in runs:  # 遍历每条运行记录
+                    # 将运行记录的创建时间转换为UTC时间
+                    run_time = datetime.strptime(run["created_at"], "%Y-%m-%dT%H:%M:%SZ").replace(tzinfo=timezone.utc)
+                    # 计算当前时间与运行记录创建时间的差值
+                    time_difference = self.current_time - run_time
+                    if time_difference > timedelta(hours=168):  # 如果差值超过168小时
+                        self.delete_run(run["id"])  # 删除运行记录
             else:  # 如果请求失败
                 print(f"Failed to fetch runs. Status code: {response.status_code}")  # 打印错误信息
                 break  # 退出循环