diff --git a/main.py b/main.py
index e8c733c..64a1bd7 100644
--- a/main.py
+++ b/main.py
@@ -2795,7 +2795,7 @@ class Run_Simulation_Manually_by_Date(BaseModel):
     name: str
     simulation_date: str
 
-def run_simulation_manually_by_date(network_name: str, simulation_date: str) -> None:
+def run_simulation_manually_by_date(network_name: str, base_date: datetime) -> None:
     # 循环生成96个时间点（15分钟间隔）
    for i in range(96):
         # 计算当前时间偏移
@@ -2842,7 +2842,7 @@ async def fastapi_run_simulation_manually_by_date(data: Run_Simulation_Manually_
 
         base_date = datetime.strptime(item['simulation_date'], "%Y-%m-%d")
 
-        thread = threading.Thread(target=lambda: run_simulation_manually_by_date(item['name'], item['simulation_date'])) 
+        thread = threading.Thread(target=lambda: run_simulation_manually_by_date(item['name'], base_date)) 
         thread.start()
 
 ############################################################