diff --git a/timescaledb/composite_queries.py b/timescaledb/composite_queries.py
index 620da6b..42fe46d 100644
--- a/timescaledb/composite_queries.py
+++ b/timescaledb/composite_queries.py
@@ -481,7 +481,6 @@ class CompositeQueries:
             FileNotFoundError: 当模型文件未找到时
         """
         try:
-            perf_start_time = time.time()
             # 1. 准备时间范围（查询时间前后1秒）
             start_time = query_time - timedelta(seconds=1)
             end_time = query_time + timedelta(seconds=1)
@@ -585,7 +584,6 @@ class CompositeQueries:
                 model_path="api_ex/model/my_survival_forest_model_quxi.joblib"
             )
             survival_functions = analyzer.predict_survival(data)
-            print("预测管道健康耗时: {:.2f} 秒".format(time.time() - perf_start_time))
             # 8. 组合结果
             results = []
             for i, link_id in enumerate(link_ids):
@@ -604,7 +602,6 @@ class CompositeQueries:
                         },
                     }
                 )
-
             return results
 
         except Exception as e: