Why is my username in Chinese when I registered, but when I checked it in the background, it changed to "???". I want to know the reason.
Why was my username in Chinese when I registered, but when I checked it in the background, it changed to "???" I want to know the reason
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Character set related
The database character encoding is set to utf8
Add an encoding UTF-8 to the HTML page, and also add UTF-8 encoding to the registration page