It's 2 shared 2 replicas clickhouse cluster ,It's 4 clickhouse nodes
where I optimize table in one node , occurred error as following：
but it's normal where execute on any other clickhouse nodes。

```
risk-luck2.dg.163.org :) optimize table risk_detect_test.risk_doubtful_user_daily_device_view_lyp;

OPTIMIZE TABLE risk_detect_test.risk_doubtful_user_daily_device_view_lyp

Received exception from server (version 20.4.4):
Code: 999. DB::Exception: Received from localhost:9000. DB::Exception: Can't get data for node /clickhouse/tables/test/01-02/risk_doubtful_user_daily_device_view_lyp/replicas/risk-olap6.dg.163.org (multiple leaders Ok)/host: node doesn't exist (No node).

0 rows in set. Elapsed: 0.002 sec.

risk-luck2.dg.163.org :) show create table risk_detect_test.risk_doubtful_user_daily_device_view_lyp;

SHOW CREATE TABLE risk_detect_test.risk_doubtful_user_daily_device_view_lyp

┌─statement──────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────┐
│ CREATE MATERIALIZED VIEW risk_detect_test.risk_doubtful_user_daily_device_view_lyp
(
    `app_id` String,
    `event_date` Date,
    `device_id` UInt32
)
ENGINE = ReplicatedReplacingMergeTree('/clickhouse/tables/test/{layer}-{shard}/risk_doubtful_user_daily_device_view_lyp', '{replica}')
PARTITION BY toYYYYMM(event_date)
PRIMARY KEY app_id
ORDER BY (app_id, event_date, device_id)
SETTINGS index_granularity = 8192 AS
SELECT
    app_id,
    event_date,
    xxHash32(device_id) AS device_id
FROM risk_detect_online.dwd_risk_doubtful_detail │
└────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────┘

```