diff --git a/app/core/launcher.py b/app/core/launcher.py
index 45a7e1a..e979cca 100644
--- a/app/core/launcher.py
+++ b/app/core/launcher.py
@@ -56,7 +56,7 @@ def start():
     
     # 启动降雨站点监测
     logger.info("启动降雨站点监测服务...")
-    rainfall_manager.monitoring_rainfall_station_id('2025-08-20 12:00:00')
+    rainfall_manager.monitoring_rainfall_station_id('2025-09-16 20:00:00')
     
     # 阻塞主线程，防止程序立即退出
     block_main_thread()
diff --git a/app/services/rainfall_grid_service.py b/app/services/rainfall_grid_service.py
index 4d7a454..13c4f97 100644
--- a/app/services/rainfall_grid_service.py
+++ b/app/services/rainfall_grid_service.py
@@ -386,6 +386,7 @@ class RainfallGridService:
         """
         try:
             redis_key = settings.REDIS_RAIN_STATION_GRID_KEY
+            redis_identifier_key = settings.REDIS_RAIN_STATION_IDENTIFIER_KEY
             
             # 处理query_time，可能是datetime对象或字符串
             if isinstance(query_time, datetime):
@@ -416,6 +417,7 @@ class RainfallGridService:
             
             # 存储到Redis
             redis_helper.set(redis_key, json.dumps(grid_info))
+            redis_helper.set(redis_identifier_key, max_id)
             
             self.logger.info(f"栅格信息已存储到Redis，key: {redis_key}, id: {max_id}")
             
diff --git a/settings.toml b/settings.toml
index f1d8fef..d6e9ac1 100644
--- a/settings.toml
+++ b/settings.toml
@@ -6,6 +6,8 @@ LOG_DIR = "logs"
 RAIN_STATION_GRID_DIR = "/xian/rainfall/grid/images/:id"
 # 雨量站栅格存储redis的key
 REDIS_RAIN_STATION_GRID_KEY = "xian:rainfall:rain_station_grid"
+# 雨量站存储标识符的redis的key
+REDIS_RAIN_STATION_IDENTIFIER_KEY = "xian:rainfall:rain_station_identifier"
 
 # 开发环境
 [development]