diff --git a/.gitignore b/.gitignore
index 5cbe18a..555c24f 100644
--- a/.gitignore
+++ b/.gitignore
@@ -54,3 +54,4 @@ htmlcov/
 
 # Ignore dynaconf secret files
 .secrets.*
+/test/
diff --git a/app/repositories/rainfall_repository.py b/app/repositories/rainfall_repository.py
index 79ff12c..06b57d4 100644
--- a/app/repositories/rainfall_repository.py
+++ b/app/repositories/rainfall_repository.py
@@ -13,23 +13,23 @@ class RainfallRepository:
     def get_max_rainfall_id(self, query_time: datetime) -> Optional[int]:
         """
         查询数据库中指定时间窗口内的最大ID
-        
+
         Args:
             query_time: 查询时间
-            
+
         Returns:
             最大ID，如果没有数据则返回None
         """
         sql = """
-            SELECT max(id) as max_id 
-            FROM xian_meteorology 
+            SELECT max(id) as max_id
+            FROM xian_meteorology
             WHERE datetime BETWEEN (
-                to_char(timestamp %s - interval '12 hours', 'YYYYMMDDHH24MISS')
+                to_char(%s::timestamp - interval '12 hours', 'YYYYMMDDHH24MISS')
             )::bigint AND (
-                to_char(timestamp %s, 'YYYYMMDDHH24MISS')
+                to_char(%s::timestamp, 'YYYYMMDDHH24MISS')
             )::bigint
         """
-        
+
         result = db_helper.execute_query_one(sql, (query_time, query_time))
         
         if result and result.get('max_id'):
@@ -39,23 +39,23 @@ class RainfallRepository:
     def get_rainfall_stations_data(self, query_time: datetime) -> List[Dict[str, Any]]:
         """
         查询雨量站点降雨数据
-        
+
         Args:
             query_time: 查询时间
-            
+
         Returns:
             站点数据列表，每个元素包含lon, lat, rainfall
         """
         sql = """
-            SELECT 
-                lon, 
-                lat, 
+            SELECT
+                lon,
+                lat,
                 SUM(rainfall_1h::numeric) AS rainfall
             FROM xian_meteorology
             WHERE datetime BETWEEN (
-                to_char(timestamp %s - interval '12 hours', 'YYYYMMDDHH24MISS')
+                to_char(%s::timestamp - interval '12 hours', 'YYYYMMDDHH24MISS')
             )::bigint AND (
-                to_char(timestamp %s, 'YYYYMMDDHH24MISS')
+                to_char(%s::timestamp, 'YYYYMMDDHH24MISS')
             )::bigint
             GROUP BY lon, lat
         """
diff --git a/requirements.txt b/requirements.txt
index ee4674e..a0ff547 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -4,4 +4,5 @@ redis == 7.4.0
 numpy == 2.4.4
 scipy == 1.17.1
 matplotlib == 3.10.0
-Pillow == 11.0.0
\ No newline at end of file
+Pillow == 12.2.0
+pyyaml == 6.0.2
\ No newline at end of file