fix code

hutool-core/src/main/java/org/dromara/hutool/core/map/MapBuilder.java

@@ -30,6 +30,21 @@ public class MapBuilder<K, V> implements Builder<Map<K, V>> {
 
 	private final Map<K, V> map;
 
+	// region ----- of
+	/**
+	 * 创建Builder，默认HashMap实现
+	 *
+	 * @param <K>   Key类型
+	 * @param <V>   Value类型
+	 * @param key   键
+	 * @param value 值
+	 * @return MapBuilder
+	 */
+	public static <K, V> MapBuilder<K, V> of(final K key, final V value) {
+		final MapBuilder<K, V> builder = of();
+		return builder.put(key, value);
+	}
+
 	/**
 	 * 创建Builder，默认HashMap实现
 	 *
@@ -67,6 +82,7 @@ public class MapBuilder<K, V> implements Builder<Map<K, V>> {
 	public static <K, V> MapBuilder<K, V> of(final Map<K, V> map) {
 		return new MapBuilder<>(map);
 	}
+	// endregion
 
 	/**
 	 * 链式Map创建类

hutool-core/src/main/java/org/dromara/hutool/core/net/url/UrlBuilder.java

@@ -75,6 +75,19 @@ public final class UrlBuilder implements Builder<String> {
 	 */
 	private final boolean needEncodePercent;
 
+	// region ----- of
+
+	/**
+	 * 使用UrlBuilder构建UrlBuilder
+	 *
+	 * @param builder {@code UrlBuilder}
+	 * @return UrlBuilder
+	 */
+	public static UrlBuilder of(final UrlBuilder builder) {
+		return of(builder.getScheme(), builder.getHost(), builder.getPort(), builder.getPathStr(),
+			builder.getQueryStr(), builder.getFragment(), builder.getCharset());
+	}
+
 	/**
 	 * 使用URI构建UrlBuilder
 	 *
@@ -203,6 +216,7 @@ public final class UrlBuilder implements Builder<String> {
 	public static UrlBuilder of() {
 		return new UrlBuilder();
 	}
+	// endregion
 
 	/**
 	 * 构造