diff --git a/app/service/recommendation_system/precompute.py b/app/service/recommendation_system/precompute.py
index bc5acee..235e80f 100644
--- a/app/service/recommendation_system/precompute.py
+++ b/app/service/recommendation_system/precompute.py
@@ -318,8 +318,8 @@ def precompute_system_sketch_vectors(batch_size: int = 1000, retry_times: int =
 def compute_user_preference_vector(
     account_id: int,
     category: str,
-    conn: Optional[pymysql.connections.Connection] = None
-    # max_date: Optional[datetime] = None
+    conn: Optional[pymysql.connections.Connection] = None,
+    max_date: Optional[datetime] = None
 ) -> Optional[np.ndarray]:
     """
     计算用户偏好向量
@@ -544,13 +544,13 @@ def run_precompute():
 
 
 if __name__ == "__main__":
-    # 1. 优化数据库表结构
-    logger.info("\n[1/5] 优化数据库表结构...")
-    optimize_database_table()
-
-    # 3. 历史数据迁移
-    logger.info("\n[3/5] 历史数据迁移...")
-    migrate_historical_data()
+    # # 1. 优化数据库表结构
+    # logger.info("\n[1/5] 优化数据库表结构...")
+    # optimize_database_table()
+    #
+    # # 3. 历史数据迁移
+    # logger.info("\n[3/5] 历史数据迁移...")
+    # migrate_historical_data()
 
     # 5. 初始用户偏好向量生成
     logger.info("\n[5/5] 初始用户偏好向量生成...")