diff --git a/hutool-core/src/main/java/cn/hutool/core/bean/copier/MapToBeanCopier.java b/hutool-core/src/main/java/cn/hutool/core/bean/copier/MapToBeanCopier.java
index 0684f6082..7547671a3 100755
--- a/hutool-core/src/main/java/cn/hutool/core/bean/copier/MapToBeanCopier.java
+++ b/hutool-core/src/main/java/cn/hutool/core/bean/copier/MapToBeanCopier.java
@@ -6,8 +6,8 @@ import cn.hutool.core.lang.Assert;
 import cn.hutool.core.lang.mutable.MutableEntry;
 import cn.hutool.core.map.CaseInsensitiveMap;
 import cn.hutool.core.map.MapWrapper;
-import cn.hutool.core.text.StrUtil;
 import cn.hutool.core.reflect.TypeUtil;
+import cn.hutool.core.text.StrUtil;
 
 import java.lang.reflect.Type;
 import java.util.Map;
diff --git a/hutool-core/src/main/java/cn/hutool/core/io/BomReader.java b/hutool-core/src/main/java/cn/hutool/core/io/BomReader.java
index e09498d47..736fdf905 100644
--- a/hutool-core/src/main/java/cn/hutool/core/io/BomReader.java
+++ b/hutool-core/src/main/java/cn/hutool/core/io/BomReader.java
@@ -3,10 +3,8 @@ package cn.hutool.core.io;
 import cn.hutool.core.io.stream.BOMInputStream;
 import cn.hutool.core.lang.Assert;
 
-import java.io.IOException;
 import java.io.InputStream;
 import java.io.InputStreamReader;
-import java.io.Reader;
 import java.io.UnsupportedEncodingException;
 
 /**
@@ -29,9 +27,7 @@ import java.io.UnsupportedEncodingException;
  * @author looly
  * @since 5.7.14
  */
-public class BomReader extends Reader {
-
-	private InputStreamReader reader;
+public class BomReader extends ReaderWrapper {
 
 	/**
 	 * 构造
@@ -39,22 +35,22 @@ public class BomReader extends Reader {
 	 * @param in 流
 	 */
 	public BomReader(final InputStream in) {
+		super(initReader(in));
+	}
+
+	/**
+	 * 初始化为{@link InputStreamReader}，将给定流转换为{@link BOMInputStream}
+	 *
+	 * @param in {@link InputStream}
+	 * @return {@link InputStreamReader}
+	 */
+	private static InputStreamReader initReader(final InputStream in) {
 		Assert.notNull(in, "InputStream must be not null!");
 		final BOMInputStream bin = (in instanceof BOMInputStream) ? (BOMInputStream) in : new BOMInputStream(in);
 		try {
-			this.reader = new InputStreamReader(bin, bin.getCharset());
-		} catch (final UnsupportedEncodingException ignore) {
+			return new InputStreamReader(bin, bin.getCharset());
+		} catch (final UnsupportedEncodingException e) {
+			throw new IORuntimeException(e);
 		}
 	}
-
-	@SuppressWarnings("NullableProblems")
-	@Override
-	public int read(final char[] buffer, final int off, final int len) throws IOException {
-		return reader.read(buffer, off, len);
-	}
-
-	@Override
-	public void close() throws IOException {
-		reader.close();
-	}
 }
diff --git a/hutool-core/src/main/java/cn/hutool/core/io/LineReader.java b/hutool-core/src/main/java/cn/hutool/core/io/LineReader.java
new file mode 100755
index 000000000..0e7c559ca
--- /dev/null
+++ b/hutool-core/src/main/java/cn/hutool/core/io/LineReader.java
@@ -0,0 +1,54 @@
+package cn.hutool.core.io;
+
+import cn.hutool.core.util.ArrayUtil;
+
+import java.io.IOException;
+import java.io.Reader;
+
+/**
+ * 行读取器，类似于BufferedInputStream，支持注释和多行转义
+ * TODO 待实现
+ *
+ * @author looly
+ */
+public class LineReader extends ReaderWrapper {
+
+	/**
+	 * 注释标识符
+	 */
+	private char[] commentFlags;
+
+	/**
+	 * 构造
+	 *
+	 * @param reader {@link Reader}
+	 */
+	public LineReader(final Reader reader) {
+		super(reader);
+	}
+
+	/**
+	 * 设置注释行标识符
+	 *
+	 * @param commentFlags 注释行标识符
+	 * @return this
+	 */
+	public LineReader setCommentFlags(final char... commentFlags) {
+		if (ArrayUtil.isEmpty(commentFlags)) {
+			// 无注释行
+			this.commentFlags = null;
+		}
+		this.commentFlags = ArrayUtil.copy(commentFlags, new char[commentFlags.length]);
+		return this;
+	}
+
+	/**
+	 * 读取一行
+	 *
+	 * @return 内容
+	 * @throws IOException IO异常
+	 */
+	public String readLine() throws IOException {
+		return null;
+	}
+}
diff --git a/hutool-core/src/main/java/cn/hutool/core/io/ReaderWrapper.java b/hutool-core/src/main/java/cn/hutool/core/io/ReaderWrapper.java
new file mode 100755
index 000000000..f196d41b9
--- /dev/null
+++ b/hutool-core/src/main/java/cn/hutool/core/io/ReaderWrapper.java
@@ -0,0 +1,60 @@
+package cn.hutool.core.io;
+
+import cn.hutool.core.lang.Assert;
+import cn.hutool.core.lang.func.Wrapper;
+
+import java.io.IOException;
+import java.io.Reader;
+import java.nio.CharBuffer;
+
+/**
+ * {@link Reader} 包装
+ *
+ * @author looly
+ */
+public class ReaderWrapper extends Reader implements Wrapper<Reader> {
+
+	protected final Reader raw;
+
+	/**
+	 * 构造
+	 *
+	 * @param reader {@link Reader}
+	 */
+	public ReaderWrapper(final Reader reader) {
+		this.raw = Assert.notNull(reader);
+	}
+
+	@Override
+	public Reader getRaw() {
+		return this.raw;
+	}
+
+	@Override
+	public int read() throws IOException {
+		return raw.read();
+	}
+
+	@SuppressWarnings("NullableProblems")
+	@Override
+	public int read(final CharBuffer target) throws IOException {
+		return raw.read(target);
+	}
+
+	@SuppressWarnings("NullableProblems")
+	@Override
+	public int read(final char[] cbuf) throws IOException {
+		return raw.read(cbuf);
+	}
+
+	@SuppressWarnings("NullableProblems")
+	@Override
+	public int read(final char[] buffer, final int off, final int len) throws IOException {
+		return raw.read(buffer, off, len);
+	}
+
+	@Override
+	public void close() throws IOException {
+		raw.close();
+	}
+}
diff --git a/hutool-core/src/main/java/cn/hutool/core/text/CharPool.java b/hutool-core/src/main/java/cn/hutool/core/text/CharPool.java
index 934af9605..5847223da 100644
--- a/hutool-core/src/main/java/cn/hutool/core/text/CharPool.java
+++ b/hutool-core/src/main/java/cn/hutool/core/text/CharPool.java
@@ -14,7 +14,7 @@ public interface CharPool {
 	/**
 	 * 字符常量：制表符 {@code '\t'}
 	 */
-	char TAB = '	';
+	char TAB = '\t';
 	/**
 	 * 字符常量：点 {@code '.'}
 	 */
diff --git a/hutool-core/src/main/java/cn/hutool/core/util/ArrayUtil.java b/hutool-core/src/main/java/cn/hutool/core/util/ArrayUtil.java
index 2e48d0097..0df22861f 100755
--- a/hutool-core/src/main/java/cn/hutool/core/util/ArrayUtil.java
+++ b/hutool-core/src/main/java/cn/hutool/core/util/ArrayUtil.java
@@ -515,8 +515,8 @@ public class ArrayUtil extends PrimitiveArrayUtil {
 	 * @param array   原数组
 	 * @param newSize 新的数组大小
 	 * @return 调整后的新数组
-	 * @since 4.6.7
 	 * @see System#arraycopy(Object, int, Object, int, int)
+	 * @since 4.6.7
 	 */
 	public static Object resize(final Object array, final int newSize) {
 		if (newSize < 0) {
@@ -579,10 +579,39 @@ public class ArrayUtil extends PrimitiveArrayUtil {
 		return result;
 	}
 
+	/**
+	 * 包装 {@link System#arraycopy(Object, int, Object, int, int)}<br>
+	 * 数组复制，缘数组和目标数组都是从位置0开始复制，复制长度为源数组的长度
+	 *
+	 * @param <T>  目标数组类型
+	 * @param src  源数组
+	 * @param dest 目标数组
+	 * @return 目标数组
+	 */
+	public static <T> T copy(final Object src, final T dest) {
+		return copy(src, dest, length(src));
+	}
+
+	/**
+	 * 包装 {@link System#arraycopy(Object, int, Object, int, int)}<br>
+	 * 数组复制，缘数组和目标数组都是从位置0开始复制
+	 *
+	 * @param <T>  目标数组类型
+	 * @param src    源数组
+	 * @param dest   目标数组
+	 * @param length 拷贝数组长度
+	 * @return 目标数组
+	 * @since 3.0.6
+	 */
+	public static <T> T copy(final Object src, final T dest, final int length) {
+		return copy(src, 0, dest, 0, length);
+	}
+
 	/**
 	 * 包装 {@link System#arraycopy(Object, int, Object, int, int)}<br>
 	 * 数组复制
 	 *
+	 * @param <T>  目标数组类型
 	 * @param src     源数组
 	 * @param srcPos  源数组开始位置
 	 * @param dest    目标数组
@@ -591,28 +620,12 @@ public class ArrayUtil extends PrimitiveArrayUtil {
 	 * @return 目标数组
 	 * @since 3.0.6
 	 */
-	public static Object copy(final Object src, final int srcPos, final Object dest, final int destPos, final int length) {
+	public static <T> T copy(final Object src, final int srcPos, final T dest, final int destPos, final int length) {
 		//noinspection SuspiciousSystemArraycopy
 		System.arraycopy(src, srcPos, dest, destPos, length);
 		return dest;
 	}
 
-	/**
-	 * 包装 {@link System#arraycopy(Object, int, Object, int, int)}<br>
-	 * 数组复制，缘数组和目标数组都是从位置0开始复制
-	 *
-	 * @param src    源数组
-	 * @param dest   目标数组
-	 * @param length 拷贝数组长度
-	 * @return 目标数组
-	 * @since 3.0.6
-	 */
-	public static Object copy(final Object src, final Object dest, final int length) {
-		//noinspection SuspiciousSystemArraycopy
-		System.arraycopy(src, 0, dest, 0, length);
-		return dest;
-	}
-
 	/**
 	 * 克隆数组
 	 *
diff --git a/hutool-core/src/test/java/cn/hutool/core/io/LineReaderTest.java b/hutool-core/src/test/java/cn/hutool/core/io/LineReaderTest.java
new file mode 100755
index 000000000..2300bcdaa
--- /dev/null
+++ b/hutool-core/src/test/java/cn/hutool/core/io/LineReaderTest.java
@@ -0,0 +1,11 @@
+package cn.hutool.core.io;
+
+import org.junit.Test;
+
+import java.io.IOException;
+
+public class LineReaderTest {
+	@Test
+	public void readTest() throws IOException {
+	}
+}
diff --git a/hutool-core/src/test/resources/multi_line.properties b/hutool-core/src/test/resources/multi_line.properties
new file mode 100755
index 000000000..17719feaa
--- /dev/null
+++ b/hutool-core/src/test/resources/multi_line.properties
@@ -0,0 +1,27 @@
+client.mode=single
+configure={\
+            "singleServerConfig":{\
+                "idleConnectionTimeout":10000,\
+                "pingTimeout":1000, \
+                "connectTimeout":10000, \
+                "timeout":3000,\
+                "retryAttempts":3,\
+                "retryInterval":1500,\
+                "reconnectionTimeout":3000,\
+                "failedAttempts":3,\
+                "password":null,\
+                "subscriptionsPerConnection":5,\
+                "clientName":null,\
+                "address": "redis://127.0.0.1:6379",\
+                "subscriptionConnectionMinimumIdleSize":1,\
+                "subscriptionConnectionPoolSize":50,\
+                "connectionMinimumIdleSize":12,\
+                "connectionPoolSize":12\
+            },\
+            "threads":2,\
+            "nettyThreads":2,\
+            "codec":{\
+                "class":"org.redisson.client.codec.StringCodec"\
+            },\
+            "transportMode":"NIO"\
+       }
diff --git a/hutool-poi/src/test/java/cn/hutool/poi/excel/ExcelWriteTest.java b/hutool-poi/src/test/java/cn/hutool/poi/excel/ExcelWriteTest.java
index 69146706d..4be34f44b 100755
--- a/hutool-poi/src/test/java/cn/hutool/poi/excel/ExcelWriteTest.java
+++ b/hutool-poi/src/test/java/cn/hutool/poi/excel/ExcelWriteTest.java
@@ -821,7 +821,7 @@ public class ExcelWriteTest {
 	}
 
 	@Test
-	//@Ignore
+	@Ignore
 	public void writeDoubleTest() {
 		// https://gitee.com/dromara/hutool/issues/I5PI5C
 		final String path = "d:/test/doubleTest.xlsx";