diff --git a/CHANGELOG.md b/CHANGELOG.md
index 30a624420..23c1711ee 100755
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -3,11 +3,12 @@
 
 -------------------------------------------------------------------------------------------------------------
 
-# 5.8.9.M1 (2022-09-30)
+# 5.8.9.M1 (2022-10-08)
 
 ### 🐣新特性
 * 【core   】     DateUtil增加isLastDayOfMonth、getLastDayOfMonth方法（pr#824@Gitee）
 * 【core   】     AnnotationUtil类支持Lambda获取某注解属性值（pr#827@Gitee）
+* 【core   】     CharUtil.isBlank添加Hangul Filler字符（issue#I5UGSQ@Gitee）
 
 ### 🐞Bug修复
 * 【poi    】     修复ExcelReader读取只有标题行报错问题（issue#I5U1JA@Gitee）
diff --git a/hutool-core/src/main/java/cn/hutool/core/util/CharUtil.java b/hutool-core/src/main/java/cn/hutool/core/util/CharUtil.java
index 258f977a3..83fb67bd6 100644
--- a/hutool-core/src/main/java/cn/hutool/core/util/CharUtil.java
+++ b/hutool-core/src/main/java/cn/hutool/core/util/CharUtil.java
@@ -259,7 +259,9 @@ public class CharUtil implements CharPool {
 				|| Character.isSpaceChar(c)
 				|| c == '\ufeff'
 				|| c == '\u202a'
-				|| c == '\u0000';
+				|| c == '\u0000'
+				// issue#I5UGSQ，Hangul Filler
+				|| c == '\u3164';
 	}
 
 	/**
diff --git a/hutool-core/src/test/java/cn/hutool/core/util/CharUtilTest.java b/hutool-core/src/test/java/cn/hutool/core/util/CharUtilTest.java
index 12977fdb0..1fb388a69 100644
--- a/hutool-core/src/test/java/cn/hutool/core/util/CharUtilTest.java
+++ b/hutool-core/src/test/java/cn/hutool/core/util/CharUtilTest.java
@@ -8,14 +8,14 @@ public class CharUtilTest {
 	@Test
 	public void trimTest() {
 		//此字符串中的第一个字符为不可见字符: '\u202a'
-		String str = "‪C:/Users/maple/Desktop/tone.txt";
+		final String str = "‪C:/Users/maple/Desktop/tone.txt";
 		Assert.assertEquals('\u202a', str.charAt(0));
 		Assert.assertTrue(CharUtil.isBlankChar(str.charAt(0)));
 	}
 
 	@Test
 	public void isEmojiTest() {
-		String a = "莉🌹";
+		final String a = "莉🌹";
 		Assert.assertFalse(CharUtil.isEmoji(a.charAt(0)));
 		Assert.assertTrue(CharUtil.isEmoji(a.charAt(1)));
 
@@ -23,22 +23,22 @@ public class CharUtilTest {
 
 	@Test
 	public void isCharTest(){
-		char a = 'a';
+		final char a = 'a';
 		Assert.assertTrue(CharUtil.isChar(a));
 	}
 
 	@Test
 	public void isBlankCharTest(){
-		char a = '\u00A0';
+		final char a = '\u00A0';
 		Assert.assertTrue(CharUtil.isBlankChar(a));
 
-		char a2 = '\u0020';
+		final char a2 = '\u0020';
 		Assert.assertTrue(CharUtil.isBlankChar(a2));
 
-		char a3 = '\u3000';
+		final char a3 = '\u3000';
 		Assert.assertTrue(CharUtil.isBlankChar(a3));
 
-		char a4 = '\u0000';
+		final char a4 = '\u0000';
 		Assert.assertTrue(CharUtil.isBlankChar(a4));
 	}
 
@@ -55,4 +55,10 @@ public class CharUtilTest {
 		Assert.assertEquals('⑫', CharUtil.toCloseByNumber(12));
 		Assert.assertEquals('⑳', CharUtil.toCloseByNumber(20));
 	}
+
+	@Test
+	public void issueI5UGSQTest(){
+		final Character c = '\u3164';
+		Assert.assertTrue(CharUtil.isBlankChar(c));
+	}
 }