Why display unrecognized characters
WP-AutoPost default charset is UTF-8, if the target page is not UTF-8 charset, may occur unrecognized characters problem.
Solve the unrecognized characters problem
The solution is quite simple, just check the charset of the target site, set the correct charset.
Open the target web page source code, usually in the front position, find the section of code similar to the following:
As shown above, the page is encoded as gb2312, just set the same charset: