增加多语言支持，修复 utf8mb4 乱码问题

更新版本到 7.3.3325

include/core/PHPMC/Profile.php

@@ -10,6 +10,7 @@ class Profile {
 		if(!empty($username) && preg_match("/^[A-Za-z0-9\-\_]+$/", $username)) {
 			$db = Config::MySQL();
 			$conn = mysqli_connect($db['host'], $db['user'], $db['pass'], $db['name'], $db['port']);
+			mysqli_query($conn, "set names 'utf8mb4'");
 			// Method 1 通过用户名查找用户
 			$rs = mysqli_fetch_array(mysqli_query($conn, "SELECT * FROM `{$db['name']}`.`users` WHERE `username`='{$username}'"));
 			if($rs) {