Thank you for your thoughts

For your reference

■Continuous Orphan Blocks
  large reorg occured during Block No.3852101(2022/02/03 15:41:32) - 3857129(2022/02/06 19:02:16) and lost many blocks durig this period 
  +---------------------+--------+--------------+------------+
  | Orphan Detected     | Blocks | StartBlockNo | EndBlockNo |
  +---------------------+--------+--------------+------------+
 1| 2022-02-06 19:03:13 |   5029 |      3852101 |    3857129 |
 2| 2022-02-03 04:13:07 |      6 |      3850345 |    3850350 |
 3| 2022-02-03 09:20:10 |      5 |      3851081 |    3851085 |
 4| 2022-02-07 13:42:04 |      4 |      3858935 |    3858938 |
 5| 2022-02-03 06:10:33 |      4 |      3850618 |    3850621 |
 6| 2022-02-07 13:32:51 |      4 |      3858921 |    3858924 |
 7| 2022-02-07 19:53:56 |      3 |      3859614 |    3859616 |
 8| 2022-02-07 20:12:01 |      3 |      3859647 |    3859649 |
 9| 2022-02-08 09:36:49 |      3 |      3861224 |    3861226 |
10| 2022-02-03 02:12:22 |      3 |      3850004 |    3850006 |
  +---------------------+--------+--------------+------------+

■Decided Miner(Block No.3852101 to 3857129)
+-------------+--------+
| Miner       | Blocks |
+-------------+--------+
| yiimp       |   4283 |
| Pos         |    677 |
| nodeStratum |     69 |
+-------------+--------+

■Miner lost by Orphan (Block No.3852101 to 3857129)
+-------------+--------+
| Miner       | Blocks |
+-------------+--------+
| Pos         |   3039 |
| nodeStratum |   1063 |
| yiimp       |    998 |
+-------------+--------+