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• I have checked the FAQ of this repository and believe that this is not a duplicate.

environment

• canal version
• mysql version

Issue Description

在canal-admin的可视化页面修改了密码为5位，重新登录密码有6位限制，登录不了，只能用sql去改密码

Steps to reproduce

Expected behaviour

Actual behaviour

If there is an exception, please attach the exception trace:

Just put your stack trace here!