diff --git a/influxdb_api.py b/influxdb_api.py
index 7714e43..edb4aa9 100644
--- a/influxdb_api.py
+++ b/influxdb_api.py
@@ -1186,8 +1186,9 @@ def query_all_record_by_time(query_time: str, bucket: str="realtime_simulation_r
     # 将北京时间转换为 UTC 时间
     beijing_time = datetime.fromisoformat(query_time)
     utc_time = beijing_time.astimezone(timezone.utc)
-    utc_start_time = utc_time - timedelta(seconds=1)
-    utc_stop_time = utc_time + timedelta(seconds=1)
+    # DingZQ, 2025-02-10, set delta time to 15, original is 1
+    utc_start_time = utc_time - timedelta(seconds=15)
+    utc_stop_time = utc_time + timedelta(seconds=15)
 
     # 构建 Flux 查询语句
     flux_query = f'''
@@ -1336,7 +1337,7 @@ if __name__ == "__main__":
         # latest_record = query_latest_record_by_ID(ID=node_id, type="node", bucket=bucket_name, client=client)
         # latest_record = query_latest_record_by_ID(ID=link_id, type="link", bucket=bucket_name, client=client)
         
-        latest_record = query_all_record_by_time('2025-02-09T17:30:00+08:00')
+        all_records = query_all_record_by_time('2025-02-09T17:30:00+08:00')
         
         if latest_record:
             print("最新记录：", latest_record)