修复获取离线玩家位置逻辑

Author: shulng

src/main/java/cc/baka9/catseedlogin/bukkit/Config.java

@@ -282,7 +282,7 @@ public static void reload(){
 
     // 获取玩家退出服务器时的位置
     public static Optional<Location> getOfflineLocation(Player player) {
-        return Optional.ofNullable(offlineLocations.get(player.getName()))
+        return Optional.ofNullable(plugin.getConfig().getString("offlineLocations." + player.getName()))
                        .map(Config::str2Location);
     }