[BUG]redis服务没开的情况，点击连接第一次提示无法连接信息，第二次点击连接直接闪退

[dyongjun]

Tiny RDM Version What version of Tiny RDM are you using?

OS Version Which OS and version you launch? (Mac/Windows/Linux)

Redis Version Which version of Redis are you using?

Describe the bug A clear and concise description of what the bug is. redis服务没开的情况，点击连接第一次提示无法连接信息，第二次点击连接直接闪退

Steps to Reproduce:

1.不开启redis服务，直接点击连接 2.