【 使用环境 】测试环境（个人学习环境）
【 OB or 其他组件 】ob
【 使用版本 】OceanBase_CE 4.0.0.0
【问题描述】
我在学习ob时，使用obd cluster edit-config修改了配置文件参数，在执行 obd cluster reload 时，总是报错[ERROR] execute sql exception: alter proxyconfig set observer_root_password =
[root@vmtest-cndb4 ~]# obd cluster edit-config obdev
Search param plugin and load ok
Search param plugin and load ok
Parameter check ok
Save deploy "obdev" configuration
Use `obd cluster reload obdev` to make changes take effect.
[root@vmtest-cndb4 ~]# obd cluster reload obdev
Get local repositories and plugins ok
Load cluster param plugin ok
Open ssh connection ok
Cluster status check ok
Connect to observer ok
Connect to obproxy ok
[ERROR] execute sql exception: alter proxyconfig set observer_root_password =
[ERROR] execute sql exception: alter proxyconfig set observer_root_password =
[ERROR] execute sql exception: alter proxyconfig set observer_root_password =
Reload obagent ok
[WARN] Some configuration items reload failed
See https://www.oceanbase.com/product/ob-deployer/error-codes .