postgresql auto_explain 与log打印时间不一致

Sort (cost=680.29..680.35 rows=26 width=1661) (actual time=3.875..3.968 rows=567 loops=1)
Sort Key: service_date
Sort Method: quicksort Memory: 370kB
Buffers: shared hit=561
-> Bitmap Heap Scan on sljy_order_product orderprodu0_ (cost=12.29..679.68 rows=26 width=1661) (actual time=0.315..2.431 rows=567 loops=1)

    Recheck Cond: ((company_id = '86568'::bigint) AND ((service_date)::text >= '20180201'::text) AND ((service_date)::text <= '20180228'::text))
    Filter: (((destination_code)::text = 'JGK'::text) AND ((order_state)::text <> ALL ('{0,1,2,3}'::text[])))
    Rows Removed by Filter: 35
    Heap Blocks: exact=553
    Buffers: shared hit=561
    ->  Bitmap Index Scan on sljy_order_product_index1  (cost=0.00..12.29 rows=229 width=0) (actual time=0.246..0.246 rows=987 loops=1)
          Index Cond: ((company_id = '86568'::bigint) AND ((service_date)::text >= '20180201'::text) AND ((service_date)::text <= '20180228'::text))
          Buffers: shared hit=8",,,,,,,,,""

`

auto_explain 配置

session_preload_libraries = 'auto_explain'
auto_explain.log_min_duration = 100
auto_explain.log_analyze = true
auto_explain.log_buffers = true

`