2.6.0 prerelease9 bug

当我使用2.6.0 prerelease9 登录CISCO-C2960X-24TS思科交换机， 能很快弹出登录框，也能顺利登录，但是进去后一片黑暗，再按ENTER就又退回登录界面了。
而在2.5.0，登录CISCO-C2960X-24TS就完全正常，能进去操作。
下面是2.6.0 prerelease - 9 日志：
The third question is that when I log in to the CISCO-C2960X-24TS Cisco switch using 2.6.0 prerelease9, I can quickly pop up a login box and log in smoothly. However, when I enter, it becomes dark and I press Enter to return to the login interface.
At 2.5.0, logging in to CISCO-C2960X-24TS is completely normal and can be accessed for operation.
Here are the logs:
[_2024-01-16_17-26-35.log](https://github.com/kingToolbox/WindTerm/files/13947998/_2024-01-16_17-26-35.log)

Start by reviewing the attached 2.6.0 prerelease9 log and comparing the reported login behavior with 2.5.0 for the CISCO-C2960X-24TS. Reproduce the login, black screen, and Enter-to-login transition if possible; done means the session remains usable after authentication as it did in 2.5.0.

Written by the indexing model from the issue text.