修复天堂2数据库编码问题
数据库编码不是UTF-8会导致游戏内无法正常显示和输入中文。L2JBR项目常见的编码问题是使用默认的latin1编码，需要转换为UTF-8。
修改数据库编码为UTF-8
执行以下SQL命令将数据库编码修改为UTF-8：
bash
alter table l2jdb.accounts convert to character set utf8mb4 collate utf8mb4_general_ci;
alter table l2jdb.account_premium convert to character set utf8mb4 collate utf8mb4_general_ci;
alter table l2jdb.auctions convert to character set utf8mb4 collate utf8mb4_general_ci;
alter table l2jdb.augmentations convert to character set utf8mb4 collate utf8mb4_general_ci;
alter table l2jdb.autofarm_areas convert to character set utf8mb4 collate utf8mb4_general_ci;
alter table l2jdb.autofarm_nodes convert to character set utf8mb4 collate utf8mb4_general_ci;
alter table l2jdb.autofarm_time_usage convert to character set utf8mb4 collate utf8mb4_general_ci;
alter table l2jdb.balance_classes convert to character set utf8mb4 collate utf8mb4_general_ci;
alter table l2jdb.balance_vulnerability convert to character set utf8mb4 collate utf8mb4_general_ci;
alter table l2jdb.bbs_auction convert to character set utf8mb4 collate utf8mb4_general_ci;
alter table l2jdb.bbs_favorite convert to character set utf8mb4 collate utf8mb4_general_ci;
alter table l2jdb.bbs_forum convert to character set utf8mb4 collate utf8mb4_general_ci;
alter table l2jdb.bbs_mail convert to character set utf8mb4 collate utf8mb4_general_ci;
alter table l2jdb.bbs_post convert to character set utf8mb4 collate utf8mb4_general_ci;
alter table l2jdb.bbs_topic convert to character set utf8mb4 collate utf8mb4_general_ci;
alter table l2jdb.bookmarks convert to character set utf8mb4 collate utf8mb4_general_ci;
alter table l2jdb.buffer_schemes convert to character set utf8mb4 collate utf8mb4_general_ci;
alter table l2jdb.buffshop convert to character set utf8mb4 collate utf8mb4_general_ci;
alter table l2jdb.buylists convert to character set utf8mb4 collate utf8mb4_general_ci;
alter table l2jdb.castle convert to character set utf8mb4 collate utf8mb4_general_ci;
alter table l2jdb.castle_doorupgrade convert to character set utf8mb4 collate utf8mb4_general_ci;
alter table l2jdb.castle_functions convert to character set utf8mb4 collate utf8mb4_general_ci;
alter table l2jdb.castle_manor_procure convert to character set utf8mb4 collate utf8mb4_general_ci;
alter table l2jdb.castle_manor_production convert to character set utf8mb4 collate utf8mb4_general_ci;
alter table l2jdb.castle_trapupgrade convert to character set utf8mb4 collate utf8mb4_general_ci;
alter table l2jdb.characters convert to character set utf8mb4 collate utf8mb4_general_ci;
alter table l2jdb.character_data convert to character set utf8mb4 collate utf8mb4_general_ci;
alter table l2jdb.character_hennas convert to character set utf8mb4 collate utf8mb4_general_ci;
alter table l2jdb.character_macroses convert to character set utf8mb4 collate utf8mb4_general_ci;
alter table l2jdb.character_memo convert to character set utf8mb4 collate utf8mb4_general_ci;
alter table l2jdb.character_mission convert to character set utf8mb4 collate utf8mb4_general_ci;
alter table l2jdb.character_offline_trade convert to character set utf8mb4 collate utf8mb4_general_ci;
alter table l2jdb.character_offline_trade_items convert to character set utf8mb4 collate utf8mb4_general_ci;
alter table l2jdb.character_quests convert to character set utf8mb4 collate utf8mb4_general_ci;
alter table l2jdb.character_raid_points convert to character set utf8mb4 collate utf8mb4_general_ci;
alter table l2jdb.character_recipebook convert to character set utf8mb4 collate utf8mb4_general_ci;
alter table l2jdb.character_recommends convert to character set utf8mb4 collate utf8mb4_general_ci;
alter table l2jdb.character_relations convert to character set utf8mb4 collate utf8mb4_general_ci;
alter table l2jdb.character_shortcuts convert to character set utf8mb4 collate utf8mb4_general_ci;
alter table l2jdb.character_skills convert to character set utf8mb4 collate utf8mb4_general_ci;
alter table l2jdb.character_skills_save convert to character set utf8mb4 collate utf8mb4_general_ci;
alter table l2jdb.character_subclasses convert to character set utf8mb4 collate utf8mb4_general_ci;
alter table l2jdb.clanhall convert to character set utf8mb4 collate utf8mb4_general_ci;
alter table l2jdb.clanhall_flagwar_attackers convert to character set utf8mb4 collate utf8mb4_general_ci;
alter table l2jdb.clanhall_flagwar_members convert to character set utf8mb4 collate utf8mb4_general_ci;
alter table l2jdb.clanhall_flagwar_owner_npcs convert to character set utf8mb4 collate utf8mb4_general_ci;
alter table l2jdb.clanhall_functions convert to character set utf8mb4 collate utf8mb4_general_ci;
alter table l2jdb.clanhall_siege_attackers convert to character set utf8mb4 collate utf8mb4_general_ci;
alter table l2jdb.clan_data convert to character set utf8mb4 collate utf8mb4_general_ci;
alter table l2jdb.clan_privs convert to character set utf8mb4 collate utf8mb4_general_ci;
alter table l2jdb.clan_skills convert to character set utf8mb4 collate utf8mb4_general_ci;
alter table l2jdb.clan_subpledges convert to character set utf8mb4 collate utf8mb4_general_ci;
alter table l2jdb.clan_wars convert to character set utf8mb4 collate utf8mb4_general_ci;
alter table l2jdb.cursed_weapons convert to character set utf8mb4 collate utf8mb4_general_ci;
alter table l2jdb.dungeon_cooldowns convert to character set utf8mb4 collate utf8mb4_general_ci;
alter table l2jdb.events_custom_data convert to character set utf8mb4 collate utf8mb4_general_ci;
alter table l2jdb.fishing_championship convert to character set utf8mb4 collate utf8mb4_general_ci;
alter table l2jdb.games convert to character set utf8mb4 collate utf8mb4_general_ci;
alter table l2jdb.gameservers convert to character set utf8mb4 collate utf8mb4_general_ci;
alter table l2jdb.grandboss_list convert to character set utf8mb4 collate utf8mb4_general_ci;
alter table l2jdb.heroes convert to character set utf8mb4 collate utf8mb4_general_ci;
alter table l2jdb.heroes_diary convert to character set utf8mb4 collate utf8mb4_general_ci;
alter table l2jdb.hwid_bans convert to character set utf8mb4 collate utf8mb4_general_ci;
alter table l2jdb.hwid_extra_boxes convert to character set utf8mb4 collate utf8mb4_general_ci;
alter table l2jdb.hwid_info convert to character set utf8mb4 collate utf8mb4_general_ci;
alter table l2jdb.items convert to character set utf8mb4 collate utf8mb4_general_ci;
alter table l2jdb.items_delayed convert to character set utf8mb4 collate utf8mb4_general_ci;
alter table l2jdb.items_on_ground convert to character set utf8mb4 collate utf8mb4_general_ci;
alter table l2jdb.mdt_bets convert to character set utf8mb4 collate utf8mb4_general_ci;
alter table l2jdb.mdt_history convert to charaacter set utf8mb4 collate utf8mb4_general_ci;
alter table l2jdb.mods_wedding convert to character set utf8mb4 collate utf8mb4_general_ci;
alter table l2jdb.olympiad_data convert to character set utf8mb4 collate utf8mb4_general_ci;
alter table l2jdb.olympiad_fights convert to character set utf8mb4 collate utf8mb4_general_ci;
alter table l2jdb.olympiad_nobles convert to character set utf8mb4 collate utf8mb4_general_ci;
alter table l2jdb.olympiad_nobles_eom convert to character set utf8mb4 collate utf8mb4_general_ci;
alter table l2jdb.petition convert to character set utf8mb4 collate utf8mb4_general_ci;
alter table l2jdb.petition_message convert to character set utf8mb4 collate utf8mb4_general_ci;
alter table l2jdb.pets convert to character set utf8mb4 collate utf8mb4_general_ci;
alter table l2jdb.player_droplist_config convert to character set utf8mb4 collate utf8mb4_general_ci;
alter table l2jdb.player_emails convert to character set utf8mb4 collate utf8mb4_general_ci;
alter table l2jdb.rainbowsprings_attacker_list convert to character set utf8mb4 collate utf8mb4_general_ci;
alter table l2jdb.server_memo convert to character set utf8mb4 collate utf8mb4_general_ci;
alter table l2jdb.seven_signs convert to character set utf8mb4 collate utf8mb4_general_ci;
alter table l2jdb.seven_signs_festival convert to character set utf8mb4 collate utf8mb4_general_ci;
alter table l2jdb.seven_signs_status convert to character set utf8mb4 collate utf8mb4_general_ci;
alter table l2jdb.siege_clans convert to character set utf8mb4 collate utf8mb4_general_ci;
alter table l2jdb.spawn_data convert to character set utf8mb4 collate utf8mb4_general_ci;
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