diff --git a/pom.xml b/pom.xml
index b59f744..94a91c4 100644
--- a/pom.xml
+++ b/pom.xml
@@ -6,7 +6,7 @@
 
 	<groupId>com.imyeyu.config</groupId>
 	<artifactId>timi-config</artifactId>
-	<version>0.0.2</version>
+	<version>0.0.3</version>
 
 	<properties>
 		<maven.test.skip>true</maven.test.skip>
@@ -27,10 +27,42 @@
 				<artifactId>maven-source-plugin</artifactId>
 				<version>3.3.1</version>
 			</plugin>
+			<plugin>
+				<groupId>org.projectlombok</groupId>
+				<artifactId>lombok-maven-plugin</artifactId>
+				<version>1.18.20.0</version>
+				<configuration>
+					<sourceDirectory>${project.basedir}/src/main/java</sourceDirectory>
+					<outputDirectory>${project.build.directory}/delombok</outputDirectory>
+					<addOutputDirectory>false</addOutputDirectory>
+					<encoding>UTF-8</encoding>
+				</configuration>
+				<executions>
+					<execution>
+						<phase>generate-sources</phase>
+						<goals>
+							<goal>delombok</goal>
+						</goals>
+					</execution>
+				</executions>
+				<dependencies>
+					<dependency>
+						<groupId>org.projectlombok</groupId>
+						<artifactId>lombok</artifactId>
+						<version>1.18.36</version>
+					</dependency>
+				</dependencies>
+			</plugin>
 			<plugin>
 				<groupId>org.apache.maven.plugins</groupId>
 				<artifactId>maven-javadoc-plugin</artifactId>
 				<version>3.11.2</version>
+				<configuration>
+					<sourcepath>${project.build.directory}/delombok</sourcepath>
+					<encoding>UTF-8</encoding>
+					<charset>UTF-8</charset>
+					<docencoding>UTF-8</docencoding>
+				</configuration>
 			</plugin>
 		</plugins>
 	</build>
@@ -59,23 +91,23 @@
 		<dependency>
 			<groupId>org.yaml</groupId>
 			<artifactId>snakeyaml</artifactId>
-			<version>2.2</version>
+			<version>2.6</version>
 		</dependency>
 		<dependency>
 			<groupId>com.imyeyu.io</groupId>
 			<artifactId>timi-io</artifactId>
-			<version>0.0.2</version>
+			<version>0.0.5</version>
 		</dependency>
 		<dependency>
 			<groupId>org.junit.jupiter</groupId>
 			<artifactId>junit-jupiter</artifactId>
-			<version>5.10.3</version>
+			<version>6.0.3</version>
 			<scope>test</scope>
 		</dependency>
 		<dependency>
 			<groupId>org.projectlombok</groupId>
 			<artifactId>lombok</artifactId>
-			<version>1.18.34</version>
+			<version>1.18.46</version>
 			<scope>test</scope>
 		</dependency>
 	</dependencies>
diff --git a/src/main/java/com/imyeyu/config/ConfigLoader.java b/src/main/java/com/imyeyu/config/ConfigLoader.java
index c8b017e..562e0f6 100644
--- a/src/main/java/com/imyeyu/config/ConfigLoader.java
+++ b/src/main/java/com/imyeyu/config/ConfigLoader.java
@@ -11,8 +11,12 @@ import org.yaml.snakeyaml.constructor.Constructor;
 import org.yaml.snakeyaml.representer.Representer;
 
 import java.io.File;
+import java.lang.reflect.Array;
 import java.lang.reflect.Field;
+import java.util.ArrayList;
 import java.util.HashMap;
+import java.util.LinkedHashMap;
+import java.util.List;
 import java.util.Map;
 
 /**
@@ -40,6 +44,9 @@ public class ConfigLoader<T> {
 
 	/**
 	 * 创建配置加载器，源路径和目标路径相同
+	 *
+	 * @param path  源路径/目标路径
+	 * @param clazz 配置类型
 	 */
 	public ConfigLoader(String path, Class<T> clazz) {
 		this(path, path, clazz);
@@ -69,7 +76,7 @@ public class ConfigLoader<T> {
 		LoaderOptions loaderOptions = new LoaderOptions();
 		loaderOptions.setAllowRecursiveKeys(false); // 禁止递归键
 		loaderOptions.setMaxAliasesForCollections(50); // 限制别名数量
-		loaderOptions.setCodePointLimit((int) (IOSize.MB * 3)); // 限制 3 MB
+		loaderOptions.setCodePointLimit((int) (IOSize.MB * 10)); // 限制 10 MB
 
 		DumperOptions dumperOptions = new DumperOptions();
 		dumperOptions.setIndent(4);
@@ -96,13 +103,7 @@ public class ConfigLoader<T> {
 	public T load() {
 		try {
 			String content = IO.toString(file);
-			String normalized = content.replaceAll("\t", "    ");
-			if (converters.isEmpty()) {
-				// SnakeYAML 自动转换 - 使用指定类型构造
-				value = yaml.load(normalized);
-				return value;
-			}
-			Object raw = rawYaml.load(normalized);
+			Object raw = rawYaml.load(content);
 			if (raw == null) {
 				value = null;
 				return null;
@@ -129,9 +130,8 @@ public class ConfigLoader<T> {
 			Object toSerialize = applyConvertersOnDump(value);
 			// SnakeYAML 序列化
 			String yamlContent = yaml.dump(toSerialize);
-			// 空格转制表符
-			String toWrite = yamlContent.replaceAll("( ){4}", "	");
-			IO.toFile(file, toWrite);
+
+			IO.toFile(file, yamlContent);
 		} catch (Exception e) {
 			throw new TimiException(TimiCode.ERROR, "dump config error: " + file.getAbsolutePath(), e);
 		}
@@ -163,11 +163,10 @@ public class ConfigLoader<T> {
 		Class<?> currentClass = target.getClass();
 		while (currentClass != null && currentClass != Object.class) {
 			for (Field field : currentClass.getDeclaredFields()) {
-				String fieldName = field.getName();
-				if (!map.containsKey(fieldName)) {
+				Object rawValue = resolveMapValue(map, field.getName());
+				if (rawValue == null && !containsFieldKey(map, field.getName())) {
 					continue;
 				}
-				Object rawValue = map.get(fieldName);
 				Object converted = convertFieldValue(field, rawValue);
 				field.setAccessible(true);
 				field.set(target, converted);
@@ -176,6 +175,17 @@ public class ConfigLoader<T> {
 		}
 	}
 
+	private boolean containsFieldKey(Map<?, ?> map, String fieldName) {
+		return map.containsKey(fieldName) || map.containsKey(toSnakeCase(fieldName));
+	}
+
+	private Object resolveMapValue(Map<?, ?> map, String fieldName) {
+		if (map.containsKey(fieldName)) {
+			return map.get(fieldName);
+		}
+		return map.get(toSnakeCase(fieldName));
+	}
+
 	private Object convertFieldValue(Field field, Object rawValue) {
 		BaseConverter<?, ?> converter = converters.get(field.getType());
 		if (converter != null) {
@@ -188,12 +198,40 @@ public class ConfigLoader<T> {
 		if (fieldType.isEnum()) {
 			return toEnumValue(fieldType, rawValue.toString());
 		}
+		if (fieldType.isArray() && rawValue instanceof Iterable<?> rawIterable) {
+			return toArrayValue(fieldType.getComponentType(), rawIterable);
+		}
 		if (rawValue instanceof Map<?, ?> rawMap && shouldMapToBean(fieldType)) {
 			return mapToBean(rawMap, fieldType);
 		}
 		return convertScalarValue(fieldType, rawValue);
 	}
 
+	private Object toArrayValue(Class<?> componentType, Iterable<?> rawIterable) {
+		List<Object> values = new ArrayList<>();
+		for (Object rawElement : rawIterable) {
+			values.add(convertArrayElement(componentType, rawElement));
+		}
+		Object array = Array.newInstance(componentType, values.size());
+		for (int i = 0; i < values.size(); i++) {
+			Array.set(array, i, values.get(i));
+		}
+		return array;
+	}
+
+	private Object convertArrayElement(Class<?> componentType, Object rawElement) {
+		if (rawElement == null) {
+			return null;
+		}
+		if (componentType.isEnum()) {
+			return toEnumValue(componentType, rawElement.toString());
+		}
+		if (rawElement instanceof Map<?, ?> rawMap && shouldMapToBean(componentType)) {
+			return mapToBean(rawMap, componentType);
+		}
+		return convertScalarValue(componentType, rawElement);
+	}
+
 	private boolean shouldMapToBean(Class<?> fieldType) {
 		if (fieldType.isPrimitive() || fieldType.isEnum()) {
 			return false;
@@ -251,35 +289,92 @@ public class ConfigLoader<T> {
 	}
 
 	/** 序列化时应用转换器 */
-	@SuppressWarnings("unchecked")
-	private <K> K applyConvertersOnDump(K obj) {
-		if (obj == null || converters.isEmpty()) {
-			return obj;
+	private Object applyConvertersOnDump(Object obj) {
+		return toYamlValue(null, obj);
+	}
+
+	private Object toYamlValue(Field field, Object value) {
+		if (field != null) {
+			BaseConverter<?, ?> converter = converters.get(field.getType());
+			if (converter != null) {
+				return converter.serialize0(field, value);
+			}
+		}
+		if (value == null) {
+			return null;
+		}
+		Class<?> valueType = value.getClass();
+		if (valueType.isEnum()) {
+			return ((Enum<?>) value).name();
+		}
+		if (isScalarType(valueType)) {
+			return value;
+		}
+		if (valueType.isArray()) {
+			int length = Array.getLength(value);
+			List<Object> result = new ArrayList<>(length);
+			for (int i = 0; i < length; i++) {
+				result.add(toYamlValue(null, Array.get(value, i)));
+			}
+			return result;
+		}
+		if (value instanceof Iterable<?> iterable) {
+			List<Object> result = new ArrayList<>();
+			for (Object item : iterable) {
+				result.add(toYamlValue(null, item));
+			}
+			return result;
+		}
+		if (value instanceof Map<?, ?> mapValue) {
+			Map<Object, Object> result = new LinkedHashMap<>();
+			for (Map.Entry<?, ?> entry : mapValue.entrySet()) {
+				result.put(entry.getKey(), toYamlValue(null, entry.getValue()));
+			}
+			return result;
+		}
+		if (!shouldMapToBean(valueType)) {
+			return value;
 		}
 		try {
-			// 创建副本
-			K copy = (K) obj.getClass().getDeclaredConstructor().newInstance();
-			Class<?> currentClass = obj.getClass();
+			Map<String, Object> result = new LinkedHashMap<>();
+			Class<?> currentClass = valueType;
 			while (currentClass != null && currentClass != Object.class) {
-				for (Field field : currentClass.getDeclaredFields()) {
-					field.setAccessible(true);
-					Object fieldValue = field.get(obj);
-
-					BaseConverter<?, ?> converter = converters.get(field.getType());
-					if (converter != null) {
-						// 应用转换器
-						Object yamlValue = converter.serialize0(field, fieldValue);
-						field.set(copy, yamlValue);
-					} else {
-						// 直接复制
-						field.set(copy, fieldValue);
+				for (Field declaredField : currentClass.getDeclaredFields()) {
+					declaredField.setAccessible(true);
+					Object fieldValue = toYamlValue(declaredField, declaredField.get(value));
+					if (fieldValue != null) {
+						result.put(toSnakeCase(declaredField.getName()), fieldValue);
 					}
 				}
 				currentClass = currentClass.getSuperclass();
 			}
-			return copy;
+			return result;
 		} catch (Exception e) {
 			throw new TimiException(TimiCode.ERROR, "converter error on dump", e);
 		}
 	}
+
+	private boolean isScalarType(Class<?> type) {
+		return type.isPrimitive()
+				|| type == String.class
+				|| Number.class.isAssignableFrom(type)
+				|| type == Boolean.class
+				|| type == Character.class;
+	}
+
+	private String toSnakeCase(String fieldName) {
+		StringBuilder builder = new StringBuilder(fieldName.length() + 4);
+		for (int i = 0; i < fieldName.length(); i++) {
+			char current = fieldName.charAt(i);
+			if (Character.isUpperCase(current)) {
+				if (i != 0) {
+					builder.append('_');
+				}
+				builder.append(Character.toLowerCase(current));
+				continue;
+			}
+			builder.append(current);
+		}
+		return builder.toString();
+	}
 }