tiflash 执行sql报region is unavilable

KV 节点日志只有一些WARN:
[2022/09/13 16:52:51.508 +08:00] [WARN] [endpoint.rs:527] [error-response] [err=“Region error (will back off and retry) message: “peer is not leader for region 1676462, leader may Some(id: 1676465 store_id: 4)” not_leader { region_id: 1676462 leader { id: 1676465 store_id: 4 } }”]
[2022/09/13 16:52:51.509 +08:00] [WARN] [endpoint.rs:527] [error-response] [err=“Region error (will back off and retry) message: “peer is not leader for region 1694835, leader may Some(id: 1694838 store_id: 4)” not_leader { region_id: 1694835 leader { id: 1694838 store_id: 4 } }”]
[2022/09/13 16:52:51.940 +08:00] [WARN] [endpoint.rs:527] [error-response] [err=“Region error (will back off and retry) message: “peer is not leader for region 1672718, leader may Some(id: 1672721 store_id: 4)” not_leader { region_id: 1672718 leader { id: 1672721 store_id: 4 } }”]
[2022/09/13 16:52:51.943 +08:00] [WARN] [endpoint.rs:527] [error-response] [err=“Region error (will back off and retry) message: “peer is not leader for region 1676462, leader may Some(id: 1676465 store_id: 4)” not_leader { region_id: 1676462 leader { id: 1676465 store_id: 4 } }”]
[2022/09/13 16:52:51.943 +08:00] [WARN] [endpoint.rs:527] [error-response] [err=“Region error (will back off and retry) message: “peer is not leader for region 1694835, leader may Some(id: 1694838 store_id: 4)” not_leader { region_id: 1694835 leader { id: 1694838 store_id: 4 } }”]