wrong encoding display

When I print log, it display the right contents at begin, but it has some mistake as picture

In xshell, the same contents display as this.

Here is the log from yesterday when it apper wrong encoding.
[2022-04-15_09.54.52.zip](https://github.com/kingToolbox/WindTerm/files/8493368/2022-04-15_09.54.52.zip)

Start by reproducing the encoding mismatch using the attached screenshots and log archive, comparing WindTerm with Xshell. Done means the log displays the same characters correctly; the issue does not identify a source file or test, so the code location and regression coverage must be found first.

Written by the indexing model from the issue text.