diff --git a/app/api/task.py b/app/api/task.py
index 7e15f39..80e75f9 100644
--- a/app/api/task.py
+++ b/app/api/task.py
@@ -4,7 +4,7 @@ from ..schemas.task import (
     JobResponse, AddCronJobRequest, AddIntervalJobRequest,
     AddDateJobRequest, TaskResponse
 )
-from ..utils.scheduler import task_scheduler, example_task, database_cleanup_task
+from ..utils.scheduler import task_scheduler, example_task, database_cleanup_task, reset_today_updated_task
 
 router = APIRouter(prefix="/tasks", tags=["定时任务管理"])
 
@@ -12,6 +12,7 @@ router = APIRouter(prefix="/tasks", tags=["定时任务管理"])
 AVAILABLE_FUNCTIONS = {
     "example_task": example_task,
     "database_cleanup_task": database_cleanup_task,
+    "reset_today_updated_task": reset_today_updated_task,
 }
 
 @router.post("/cron", response_model=TaskResponse)
diff --git a/app/schemas/account.py b/app/schemas/account.py
index 29bdb43..4a31322 100644
--- a/app/schemas/account.py
+++ b/app/schemas/account.py
@@ -1,4 +1,4 @@
-from pydantic import BaseModel
+from pydantic import BaseModel, Field
 from typing import Optional
 from datetime import datetime
 
@@ -20,12 +20,13 @@ class AccountUpdate(BaseModel):
     project_name: Optional[str] = None
 
 class AccountResponse(AccountBase):
-    id: int
+    account_id: int = Field(alias="id")
     created_at: datetime
     updated_at: datetime
 
     class Config:
         from_attributes = True
+        populate_by_name = True
 
 class AccountListRequest(BaseModel):
     skip: Optional[int] = 0
diff --git a/app/services/account.py b/app/services/account.py
index aacb64b..6a69001 100644
--- a/app/services/account.py
+++ b/app/services/account.py
@@ -58,6 +58,7 @@ class AccountService:
                 setattr(db_account, field, value)
             db.commit()
             db.refresh(db_account)
+            
         return db_account
 
     @staticmethod
diff --git a/app/utils/scheduler.py b/app/utils/scheduler.py
index de39819..fa01fc4 100644
--- a/app/utils/scheduler.py
+++ b/app/utils/scheduler.py
@@ -4,6 +4,8 @@ from apscheduler.jobstores.sqlalchemy import SQLAlchemyJobStore
 from apscheduler.events import EVENT_JOB_EXECUTED, EVENT_JOB_ERROR
 import logging
 from ..core.config import settings
+from ..core.database import SessionLocal
+from ..models.account import Account
 
 # 配置日志
 logging.basicConfig(level=logging.INFO)
@@ -51,12 +53,35 @@ class TaskScheduler:
             self.scheduler.start()
             logger.info("定时任务调度器已启动")
 
+            # 启动时自动添加系统定时任务
+            self._setup_system_tasks()
+
     def shutdown(self):
         """关闭调度器"""
         if self.scheduler.running:
             self.scheduler.shutdown()
             logger.info("定时任务调度器已关闭")
 
+    def _setup_system_tasks(self):
+        """设置系统定时任务"""
+        try:
+            # 检查是否已存在每日重置任务
+            existing_job = self.scheduler.get_job("daily_reset_today_updated")
+            if not existing_job:
+                # 添加每天午夜12点重置today_updated字段的任务
+                self.scheduler.add_job(
+                    reset_today_updated_task,
+                    'cron',
+                    id='daily_reset_today_updated',
+                    hour=0,
+                    minute=0,
+                    second=0,
+                    name='每日重置账号更新状态'
+                )
+                logger.info("系统定时任务：每日重置账号更新状态已添加")
+        except Exception as e:
+            logger.error(f"设置系统定时任务失败: {e}")
+
     def add_cron_job(self, func, job_id: str, **kwargs):
         """添加cron定时任务"""
         return self.scheduler.add_job(func, 'cron', id=job_id, **kwargs)
@@ -110,6 +135,27 @@ class TaskScheduler:
 # 全局调度器实例
 task_scheduler = TaskScheduler()
 
+# 系统定时任务函数
+def reset_today_updated_task():
+    """每日重置账号today_updated字段为0的任务"""
+    db = SessionLocal()
+    try:
+        logger.info("开始执行每日重置账号更新状态任务")
+
+        # 更新所有账号的today_updated字段为0
+        updated_count = db.query(Account).update({Account.today_updated: 0})
+        db.commit()
+
+        logger.info(f"每日重置任务完成，已重置 {updated_count} 个账号的today_updated字段")
+        return f"成功重置 {updated_count} 个账号的更新状态"
+
+    except Exception as e:
+        db.rollback()
+        logger.error(f"每日重置任务执行失败: {e}")
+        raise e
+    finally:
+        db.close()
+
 # 示例定时任务函数
 def example_task():
     """示例定时任务"""
diff --git a/pyproject.toml b/pyproject.toml
index 0e332ba..eb2b7dd 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -3,7 +3,7 @@ name = "tielu-railway-management"
 version = "1.0.0"
 description = "Railway Project Management System"
 readme = "README.md"
-requires-python = ">=3.11"
+requires-python = ">=3.12"
 dependencies = [
     "fastapi>=0.104.1",
     "uvicorn>=0.24.0",
@@ -19,8 +19,6 @@ dependencies = [
 ]
 
 [tool.uv.index]
-urls = [
-    "https://mirrors.tuna.tsinghua.edu.cn/pypi/web/simple"
-]
+url = "https://mirrors.tuna.tsinghua.edu.cn/pypi/web/simple"
 python-install-mirror = "https://mirror.nju.edu.cn/github-release/indygreg/python-build-standalone"
 default = true