diff --git a/src/main/java/pw/yumc/YumCore/config/AbstractConfig.java b/src/main/java/pw/yumc/YumCore/config/AbstractConfig.java
index 058babe..591fb53 100644
--- a/src/main/java/pw/yumc/YumCore/config/AbstractConfig.java
+++ b/src/main/java/pw/yumc/YumCore/config/AbstractConfig.java
@@ -1,18 +1,6 @@
 package pw.yumc.YumCore.config;
 
-import java.io.BufferedReader;
-import java.io.File;
-import java.io.FileInputStream;
-import java.io.FileNotFoundException;
-import java.io.FileOutputStream;
-import java.io.IOException;
-import java.io.InputStreamReader;
-import java.io.OutputStreamWriter;
-import java.io.Reader;
-import java.io.Writer;
-import java.nio.charset.Charset;
-import java.util.Map;
-
+import com.google.common.io.Files;
 import org.apache.commons.lang.Validate;
 import org.bukkit.configuration.InvalidConfigurationException;
 import org.bukkit.configuration.file.YamlConfiguration;
@@ -21,14 +9,15 @@ import org.yaml.snakeyaml.DumperOptions;
 import org.yaml.snakeyaml.Yaml;
 import org.yaml.snakeyaml.error.YAMLException;
 import org.yaml.snakeyaml.representer.Representer;
-
-import com.google.common.io.Files;
-
 import pw.yumc.YumCore.bukkit.Log;
 import pw.yumc.YumCore.bukkit.P;
 import pw.yumc.YumCore.config.yaml.BukkitConstructor;
 import pw.yumc.YumCore.config.yaml.BukkitRepresenter;
 
+import java.io.*;
+import java.nio.charset.Charset;
+import java.util.Map;
+
 /**
  * 抽象配置文件
  *
@@ -37,7 +26,6 @@ import pw.yumc.YumCore.config.yaml.BukkitRepresenter;
  */
 public abstract class AbstractConfig extends YamlConfiguration {
     private static String CONTENT_NOT_BE_NULL = "内容不能为 null";
-    private static String TOP_KEY_MUST_BE_MAP = "顶层键值必须是Map.";
 
     protected static Charset UTF_8 = Charset.forName("UTF-8");
 
@@ -48,8 +36,8 @@ public abstract class AbstractConfig extends YamlConfiguration {
     protected static Plugin plugin = P.instance;
 
     protected DumperOptions yamlOptions = new DumperOptions();
-    protected Representer yamlRepresenter = new BukkitRepresenter();
-    protected Yaml yamlz = new Yaml(new BukkitConstructor(), yamlRepresenter, yamlOptions);
+    protected Representer yamlRepresenter = BukkitRepresenter.DEFAULT;
+    protected Yaml yamlz = new Yaml(BukkitConstructor.DEFAULT, yamlRepresenter, yamlOptions);
 
     /**
      * 配置文件内容MAP
@@ -69,7 +57,7 @@ public abstract class AbstractConfig extends YamlConfiguration {
     }
 
     @Override
-    public void load(File file) throws FileNotFoundException, IOException, InvalidConfigurationException {
+    public void load(File file) throws IOException, InvalidConfigurationException {
         Validate.notNull(file, FILE_NOT_BE_NULL);
         FileInputStream stream = new FileInputStream(file);
         load(new InputStreamReader(stream, UTF_8));
@@ -77,16 +65,13 @@ public abstract class AbstractConfig extends YamlConfiguration {
 
     @Override
     public void load(Reader reader) throws IOException, InvalidConfigurationException {
-        BufferedReader input = reader instanceof BufferedReader ? (BufferedReader) reader : new BufferedReader(reader);
         StringBuilder builder = new StringBuilder();
-        try {
+        try (BufferedReader input = reader instanceof BufferedReader ? (BufferedReader) reader : new BufferedReader(reader)) {
             String line;
             while ((line = input.readLine()) != null) {
                 builder.append(line);
                 builder.append(newLine);
             }
-        } finally {
-            input.close();
         }
         loadFromString(builder.toString());
     }
@@ -96,10 +81,8 @@ public abstract class AbstractConfig extends YamlConfiguration {
         Validate.notNull(contents, CONTENT_NOT_BE_NULL);
         try {
             contentsMap = (Map) yamlz.load(contents);
-        } catch (YAMLException e) {
+        } catch (YAMLException | ClassCastException e) {
             throw new InvalidConfigurationException(e);
-        } catch (ClassCastException e) {
-            throw new InvalidConfigurationException(TOP_KEY_MUST_BE_MAP);
         }
         String header = parseHeader(contents);
         if (header.length() > 0) {
@@ -118,11 +101,8 @@ public abstract class AbstractConfig extends YamlConfiguration {
             file.createNewFile();
             Log.info(String.format(CREATE_NEW_CONFIG, file.toPath()));
         }
-        Writer writer = new OutputStreamWriter(new FileOutputStream(file), UTF_8);
-        try {
+        try (Writer writer = new OutputStreamWriter(new FileOutputStream(file), UTF_8)) {
             writer.write(data);
-        } finally {
-            writer.close();
         }
     }
 
diff --git a/src/main/java/pw/yumc/YumCore/config/CommentConfig.java b/src/main/java/pw/yumc/YumCore/config/CommentConfig.java
index ea362fb..98faf8f 100644
--- a/src/main/java/pw/yumc/YumCore/config/CommentConfig.java
+++ b/src/main/java/pw/yumc/YumCore/config/CommentConfig.java
@@ -1,25 +1,25 @@
 package pw.yumc.YumCore.config;
 
+import org.bukkit.configuration.InvalidConfigurationException;
+import org.yaml.snakeyaml.DumperOptions;
+
 import java.util.ArrayList;
 import java.util.List;
 import java.util.regex.Matcher;
 import java.util.regex.Pattern;
 
-import org.bukkit.configuration.InvalidConfigurationException;
-import org.yaml.snakeyaml.DumperOptions;
-
 public class CommentConfig extends AbstractConfig {
     // 新增保留注释字段
     protected static String commentPrefixSymbol = "'注释 ";
     protected static String commentSuffixSymbol = "': 注释";
 
-    protected static String fromRegex = "( {0,})(#.*)";
+    protected static String fromRegex = "( *)(#.*)";
     protected static Pattern fromPattern = Pattern.compile(fromRegex);
 
-    protected static String toRegex = "( {0,})(- ){0,}" + "(" + commentPrefixSymbol + ")" + "(#.*)" + "(" + commentSuffixSymbol + ")";
+    protected static String toRegex = "( *)(- )*" + "(" + commentPrefixSymbol + ")" + "(#.*)" + "(" + commentSuffixSymbol + ")";
     protected static Pattern toPattern = Pattern.compile(toRegex);
 
-    protected static Pattern countSpacePattern = Pattern.compile("( {0,})(- ){0,}(.*)");
+    protected static Pattern countSpacePattern = Pattern.compile("( *)(- )*(.*)");
 
     protected static int commentSplitWidth = 90;
 
diff --git a/src/main/java/pw/yumc/YumCore/config/yaml/BukkitConstructor.java b/src/main/java/pw/yumc/YumCore/config/yaml/BukkitConstructor.java
index 4a0f69f..5ff16ab 100644
--- a/src/main/java/pw/yumc/YumCore/config/yaml/BukkitConstructor.java
+++ b/src/main/java/pw/yumc/YumCore/config/yaml/BukkitConstructor.java
@@ -1,21 +1,21 @@
 package pw.yumc.YumCore.config.yaml;
 
-import java.lang.reflect.InvocationTargetException;
-import java.lang.reflect.Method;
-import java.util.HashMap;
-import java.util.LinkedHashMap;
-import java.util.Map;
-
 import org.bukkit.Location;
 import org.bukkit.configuration.file.YamlConstructor;
 import org.bukkit.configuration.serialization.ConfigurationSerialization;
 import org.yaml.snakeyaml.error.YAMLException;
 import org.yaml.snakeyaml.nodes.Node;
 import org.yaml.snakeyaml.nodes.Tag;
-
 import pw.yumc.YumCore.bukkit.L;
 
+import java.lang.reflect.InvocationTargetException;
+import java.lang.reflect.Method;
+import java.util.HashMap;
+import java.util.LinkedHashMap;
+import java.util.Map;
+
 public class BukkitConstructor extends YamlConstructor {
+    public static BukkitConstructor DEFAULT = new BukkitConstructor();
     Map<String, Method> constructor = new HashMap<>();
 
     public BukkitConstructor() {
@@ -23,6 +23,10 @@ public class BukkitConstructor extends YamlConstructor {
         this.loadConstructor();
     }
 
+    public static void register(String classname, Method method) {
+        DEFAULT.constructor.put(classname, method);
+    }
+
     private void loadConstructor() {
         constructor.put(Location.class.getName(), L.deserialize);
     }
@@ -30,9 +34,7 @@ public class BukkitConstructor extends YamlConstructor {
     private class ConstructCustomObject extends ConstructYamlMap {
         @Override
         public Object construct(Node node) {
-            if (node.isTwoStepsConstruction()) {
-                throw new YAMLException("Unexpected referential mapping structure. Node: " + node);
-            }
+            if (node.isTwoStepsConstruction()) { throw new YAMLException("Unexpected referential mapping structure. Node: " + node); }
 
             Map<?, ?> raw = (Map<?, ?>) super.construct(node);
 
diff --git a/src/main/java/pw/yumc/YumCore/config/yaml/BukkitRepresenter.java b/src/main/java/pw/yumc/YumCore/config/yaml/BukkitRepresenter.java
index 9c76087..95ffead 100644
--- a/src/main/java/pw/yumc/YumCore/config/yaml/BukkitRepresenter.java
+++ b/src/main/java/pw/yumc/YumCore/config/yaml/BukkitRepresenter.java
@@ -3,14 +3,20 @@ package pw.yumc.YumCore.config.yaml;
 import org.bukkit.Location;
 import org.bukkit.configuration.file.YamlRepresenter;
 import org.yaml.snakeyaml.nodes.Node;
-
+import org.yaml.snakeyaml.representer.Represent;
 import pw.yumc.YumCore.bukkit.L;
 
 public class BukkitRepresenter extends YamlRepresenter {
+    public static BukkitRepresenter DEFAULT = new BukkitRepresenter();
+
     public BukkitRepresenter() {
         this.multiRepresenters.put(Location.class, new RepresentLocation());
     }
 
+    public static void register(Class<?> clazz, Represent represent) {
+        DEFAULT.multiRepresenters.put(clazz, represent);
+    }
+
     public class RepresentLocation extends RepresentMap {
         @Override
         public Node representData(Object data) {