diff --git a/hutool-core/src/main/java/org/dromara/hutool/core/io/unit/DataSizeUtil.java b/hutool-core/src/main/java/org/dromara/hutool/core/io/unit/DataSizeUtil.java
index 1399dba44..ca3208256 100644
--- a/hutool-core/src/main/java/org/dromara/hutool/core/io/unit/DataSizeUtil.java
+++ b/hutool-core/src/main/java/org/dromara/hutool/core/io/unit/DataSizeUtil.java
@@ -16,6 +16,8 @@
 
 package org.dromara.hutool.core.io.unit;
 
+import org.dromara.hutool.core.text.StrUtil;
+
 import java.text.DecimalFormat;
 
 /**
@@ -44,11 +46,37 @@ public class DataSizeUtil {
 	 * @return 大小
 	 */
 	public static String format(final long size) {
+		return format(size, false);
+	}
+
+	/**
+	 * 可读的文件大小<br>
+	 * 参考 <a href="http://stackoverflow.com/questions/3263892/format-file-size-as-mb-gb-etc">http://stackoverflow.com/questions/3263892/format-file-size-as-mb-gb-etc</a>
+	 *
+	 * @param size          Long类型大小
+	 * @param useSimpleName 是否使用简写，例如：1KB 简写成 1K
+	 * @return 大小
+	 */
+	public static String format(final long size, final boolean useSimpleName) {
+		return format(size, 2, useSimpleName ? DataUnit.UNIT_NAMES_SIMPLE : DataUnit.UNIT_NAMES, StrUtil.SPACE);
+	}
+
+	/**
+	 * 可读的文件大小<br>
+	 * 参考 <a href="http://stackoverflow.com/questions/3263892/format-file-size-as-mb-gb-etc">http://stackoverflow.com/questions/3263892/format-file-size-as-mb-gb-etc</a>
+	 *
+	 * @param size      Long类型大小
+	 * @param scale     小数点位数，四舍五入
+	 * @param unitNames 单位数组
+	 * @param delimiter 数字和单位的分隔符
+	 * @return 大小
+	 */
+	public static String format(final long size, final int scale, final String[] unitNames, final String delimiter) {
 		if (size <= 0) {
 			return "0";
 		}
-		final int digitGroups = Math.min(DataUnit.UNIT_NAMES.length-1, (int) (Math.log10(size) / Math.log10(1024)));
-		return new DecimalFormat("#,##0.##")
-				.format(size / Math.pow(1024, digitGroups)) + " " + DataUnit.UNIT_NAMES[digitGroups];
+		final int digitGroups = Math.min(unitNames.length - 1, (int) (Math.log10(size) / Math.log10(1024)));
+		return new DecimalFormat("#,##0." + StrUtil.repeat('#', scale))
+			.format(size / Math.pow(1024, digitGroups)) + delimiter + unitNames[digitGroups];
 	}
 }
diff --git a/hutool-core/src/main/java/org/dromara/hutool/core/io/unit/DataUnit.java b/hutool-core/src/main/java/org/dromara/hutool/core/io/unit/DataUnit.java
index a4eb306bd..2928e8f0f 100644
--- a/hutool-core/src/main/java/org/dromara/hutool/core/io/unit/DataUnit.java
+++ b/hutool-core/src/main/java/org/dromara/hutool/core/io/unit/DataUnit.java
@@ -64,6 +64,10 @@ public enum DataUnit {
 	 * 单位名称列表
 	 */
 	public static final String[] UNIT_NAMES = new String[]{"B", "KB", "MB", "GB", "TB", "PB", "EB"};
+	/**
+	 * 单位名称列表（简写）
+	 */
+	public static final String[] UNIT_NAMES_SIMPLE = new String[]{"B", "K", "M", "G", "T", "P", "E"};
 
 	private final String suffix;
 
diff --git a/hutool-core/src/main/java/org/dromara/hutool/core/text/escape/XmlEscape.java b/hutool-core/src/main/java/org/dromara/hutool/core/text/escape/XmlEscape.java
index 277d991fe..f98977ce8 100644
--- a/hutool-core/src/main/java/org/dromara/hutool/core/text/escape/XmlEscape.java
+++ b/hutool-core/src/main/java/org/dromara/hutool/core/text/escape/XmlEscape.java
@@ -21,15 +21,13 @@ import org.dromara.hutool.core.text.replacer.ReplacerChain;
 
 /**
  * XML特殊字符转义<br>
- * 见：<a href="https://stackoverflow.com/questions/1091945/what-characters-do-i-need-to-escape-in-xml-documents">
- *     https://stackoverflow.com/questions/1091945/what-characters-do-i-need-to-escape-in-xml-documents</a><br>
+ * 见：https://stackoverflow.com/questions/1091945/what-characters-do-i-need-to-escape-in-xml-documents<br>
  *
  * <pre>
  * 	 &amp; (ampersand) 替换为 &amp;amp;
  * 	 &lt; (less than) 替换为 &amp;lt;
  * 	 &gt; (greater than) 替换为 &amp;gt;
  * 	 &quot; (double quote) 替换为 &amp;quot;
- * 	 ' (single quote / apostrophe) 替换为 &amp;apos;
  * </pre>
  *
  * @author looly