diff --git a/src/cn/citycraft/plugins/RealBackpacks.java b/src/cn/citycraft/plugins/RealBackpacks.java
index d2adc15..5b3cf99 100644
--- a/src/cn/citycraft/plugins/RealBackpacks.java
+++ b/src/cn/citycraft/plugins/RealBackpacks.java
@@ -1,6 +1,5 @@
 package cn.citycraft.plugins;
 
-import java.io.File;
 import java.lang.reflect.Constructor;
 import java.util.ArrayList;
 import java.util.HashMap;
@@ -107,12 +106,7 @@ public class RealBackpacks extends JavaPlugin {
 				getLogger().info("Vault found, economy features enabled.");
 			}
 			setupLists();
-			final File userdata = new File(getDataFolder() + File.separator
-					+ "userdata");
 			setup();
-			if (!userdata.exists()) {
-				userdata.mkdirs();
-			}
 			if (isEnabled()) {
 				getServer().getPluginManager().registerEvents(
 						new PlayerListener(this), this);
diff --git a/src/cn/citycraft/plugins/listeners/EntityListener.java b/src/cn/citycraft/plugins/listeners/EntityListener.java
index fb48039..c586694 100644
--- a/src/cn/citycraft/plugins/listeners/EntityListener.java
+++ b/src/cn/citycraft/plugins/listeners/EntityListener.java
@@ -57,7 +57,6 @@ public class EntityListener implements Listener {
 						setlevel = pLevel;
 					}
 				}
-
 				e.setCancelled(true);
 				p.setFoodLevel(setlevel);
 			}
diff --git a/src/cn/citycraft/plugins/listeners/InventoryListener.java b/src/cn/citycraft/plugins/listeners/InventoryListener.java
index 5854fad..f5a917b 100644
--- a/src/cn/citycraft/plugins/listeners/InventoryListener.java
+++ b/src/cn/citycraft/plugins/listeners/InventoryListener.java
@@ -1,13 +1,9 @@
 package cn.citycraft.plugins.listeners;
 
-import java.io.File;
-import java.io.IOException;
 import java.sql.SQLException;
 import java.util.List;
 
 import org.bukkit.ChatColor;
-import org.bukkit.configuration.file.FileConfiguration;
-import org.bukkit.configuration.file.YamlConfiguration;
 import org.bukkit.entity.Player;
 import org.bukkit.event.EventHandler;
 import org.bukkit.event.EventPriority;
@@ -18,6 +14,7 @@ import org.bukkit.inventory.Inventory;
 import org.bukkit.inventory.ItemStack;
 import org.bukkit.inventory.meta.ItemMeta;
 
+import cn.citycraft.Utils.config.PlayerConfig;
 import cn.citycraft.plugins.RealBackpacks;
 import cn.citycraft.plugins.util.MysqlFunctions;
 import cn.citycraft.plugins.util.RBUtil;
@@ -53,21 +50,8 @@ public class InventoryListener implements Listener {
 									e.printStackTrace();
 								}
 							} else {
-								final File file = new File(plugin
-										.getDataFolder()
-										+ File.separator
-										+ "userdata"
-										+ File.separator
-										+ name
-										+ ".yml");
-								final FileConfiguration config = YamlConfiguration
-										.loadConfiguration(file);
-								config.set(backpack + ".Inventory", invString);
-								try {
-									config.save(file);
-								} catch (final IOException e) {
-									e.printStackTrace();
-								}
+								PlayerConfig.getInstance(plugin, name).set(backpack + ".Inventory", invString);
+								PlayerConfig.save();
 							}
 						}
 					});
@@ -85,22 +69,9 @@ public class InventoryListener implements Listener {
 									e.printStackTrace();
 								}
 							} else {
-								final List<String> invString = Serialization
-										.toString(inv);
-								final File file = new File(plugin
-										.getDataFolder()
-										+ File.separator
-										+ "userdata"
-										+ File.separator
-										+ split[1] + ".yml");
-								final FileConfiguration config = YamlConfiguration
-										.loadConfiguration(file);
-								config.set(split[0] + ".Inventory", invString);
-								try {
-									config.save(file);
-								} catch (final IOException e) {
-									e.printStackTrace();
-								}
+								PlayerConfig.getInstance(plugin, split[1]).
+									set(split[0] + ".Inventory", invString);
+								PlayerConfig.save();
 							}
 						}
 					});
diff --git a/src/cn/citycraft/plugins/listeners/PlayerListener.java b/src/cn/citycraft/plugins/listeners/PlayerListener.java
index 997a1c2..c09cf2d 100644
--- a/src/cn/citycraft/plugins/listeners/PlayerListener.java
+++ b/src/cn/citycraft/plugins/listeners/PlayerListener.java
@@ -1,15 +1,11 @@
 package cn.citycraft.plugins.listeners;
 
-import java.io.File;
-import java.io.IOException;
 import java.sql.SQLException;
 import java.util.HashMap;
 import java.util.List;
 
 import org.bukkit.ChatColor;
 import org.bukkit.Location;
-import org.bukkit.configuration.file.FileConfiguration;
-import org.bukkit.configuration.file.YamlConfiguration;
 import org.bukkit.entity.Player;
 import org.bukkit.event.EventHandler;
 import org.bukkit.event.EventPriority;
@@ -23,6 +19,8 @@ import org.bukkit.event.player.PlayerRespawnEvent;
 import org.bukkit.inventory.Inventory;
 import org.bukkit.inventory.ItemStack;
 
+import cn.citycraft.Utils.config.FileConfig;
+import cn.citycraft.Utils.config.PlayerConfig;
 import cn.citycraft.plugins.RealBackpacks;
 import cn.citycraft.plugins.util.MysqlFunctions;
 import cn.citycraft.plugins.util.RBUtil;
@@ -96,15 +94,7 @@ public class PlayerListener implements Listener {
 							inv = plugin.getServer().createInventory(p, Integer.parseInt(key.get(0)), ChatColor.translateAlternateColorCodes('&', key.get(3)));
 						}
 					} else {
-						final File file = new File(plugin.getDataFolder() + File.separator + "userdata" + File.separator + name + ".yml");
-						if (!file.exists()) {
-							try {
-								file.createNewFile();
-							} catch (final IOException e1) {
-								e1.printStackTrace();
-							}
-						}
-						final FileConfiguration config = YamlConfiguration.loadConfiguration(file);
+						FileConfig config = PlayerConfig.getInstance(plugin, name);
 						if (!config.isSet(backpack + ".Inventory")) {
 							inv = plugin.getServer().createInventory(p, Integer.parseInt(key.get(0)), ChatColor.translateAlternateColorCodes('&', key.get(3)));
 						} else {
@@ -210,11 +200,7 @@ public class PlayerListener implements Listener {
 						e1.printStackTrace();
 					}
 				} else {
-					final File file = new File(plugin.getDataFolder() + File.separator + "userdata" + File.separator + name + ".yml");
-					if (!file.exists()) {
-						continue;
-					}
-					final FileConfiguration config = YamlConfiguration.loadConfiguration(file);
+					FileConfig config = PlayerConfig.getInstance(plugin, name);
 					if (config.getStringList(backpack + ".Inventory") == null) {
 						continue;
 					}
diff --git a/src/cn/citycraft/plugins/util/MysqlFunctions.java b/src/cn/citycraft/plugins/util/MysqlFunctions.java
index 9a74ba4..3c66e19 100644
--- a/src/cn/citycraft/plugins/util/MysqlFunctions.java
+++ b/src/cn/citycraft/plugins/util/MysqlFunctions.java
@@ -24,7 +24,6 @@ public class MysqlFunctions {
 
 	public static boolean checkIfTableExists(final String table) {
 		try {
-			//final Connection conn = DriverManager.getConnection(plugin.getUrl(), plugin.getUser(), plugin.getPass());
 			String url = plugin.getUrl()+"?"
 	                + "user=" + plugin.getUser() + "&password=" + plugin.getPass() + "&useUnicode=true&characterEncoding=utf-8";
 			final Connection conn = DriverManager.getConnection(url);
diff --git a/src/cn/citycraft/plugins/util/RBUtil.java b/src/cn/citycraft/plugins/util/RBUtil.java
index 17d3fd8..5e63110 100644
--- a/src/cn/citycraft/plugins/util/RBUtil.java
+++ b/src/cn/citycraft/plugins/util/RBUtil.java
@@ -1,16 +1,13 @@
 package cn.citycraft.plugins.util;
 
-import java.io.File;
-import java.io.IOException;
 import java.util.ArrayList;
 import java.util.Collections;
 import java.util.List;
 
 import org.bukkit.Material;
-import org.bukkit.configuration.file.FileConfiguration;
-import org.bukkit.configuration.file.YamlConfiguration;
 import org.bukkit.inventory.ItemStack;
 
+import cn.citycraft.Utils.config.PlayerConfig;
 import cn.citycraft.plugins.RealBackpacks;
 
 public class RBUtil {
@@ -28,14 +25,8 @@ public class RBUtil {
 				if (plugin.isUsingMysql()) {
 					MysqlFunctions.delete(name, backpack);
 				} else {
-					final File file = new File(plugin.getDataFolder() + File.separator + "userdata" + File.separator + name + ".yml");
-					final FileConfiguration config = YamlConfiguration.loadConfiguration(file);
-					config.set(backpack + ".Inventory", null);
-					try {
-						config.save(file);
-					} catch (final IOException e1) {
-						e1.printStackTrace();
-					}
+					PlayerConfig.getInstance(plugin, name).set(backpack + ".Inventory", null);
+					PlayerConfig.save();
 				}
 			}
 		});