diff --git a/CHANGELOG.md b/CHANGELOG.md
index ae65a09bb..6219ce04f 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -14,6 +14,7 @@
 * 【core   】     增加XmlUtil.setNamespaceAware，getByPath支持UniversalNamespaceCache
 * 【aop    】     增加Spring-cglib支持，改为SPI实现
 * 【json   】     增加JSONUtil.parseXXX增加JSONConfig参数
+* 【core   】     RandomUtil.randomNumber改为返回char
 
 ### Bug修复
 * 【json   】     修复解析JSON字符串时配置无法传递问题
diff --git a/hutool-core/src/main/java/cn/hutool/core/util/RandomUtil.java b/hutool-core/src/main/java/cn/hutool/core/util/RandomUtil.java
index f15665bf7..e2b47675a 100644
--- a/hutool-core/src/main/java/cn/hutool/core/util/RandomUtil.java
+++ b/hutool-core/src/main/java/cn/hutool/core/util/RandomUtil.java
@@ -1,5 +1,14 @@
 package cn.hutool.core.util;
 
+import cn.hutool.core.collection.CollUtil;
+import cn.hutool.core.date.DateField;
+import cn.hutool.core.date.DateTime;
+import cn.hutool.core.date.DateUtil;
+import cn.hutool.core.exceptions.UtilException;
+import cn.hutool.core.lang.UUID;
+import cn.hutool.core.lang.WeightRandom;
+import cn.hutool.core.lang.WeightRandom.WeightObj;
+
 import java.awt.Color;
 import java.math.BigDecimal;
 import java.math.RoundingMode;
@@ -14,15 +23,6 @@ import java.util.Random;
 import java.util.Set;
 import java.util.concurrent.ThreadLocalRandom;
 
-import cn.hutool.core.collection.CollUtil;
-import cn.hutool.core.date.DateField;
-import cn.hutool.core.date.DateTime;
-import cn.hutool.core.date.DateUtil;
-import cn.hutool.core.exceptions.UtilException;
-import cn.hutool.core.lang.UUID;
-import cn.hutool.core.lang.WeightRandom;
-import cn.hutool.core.lang.WeightRandom.WeightObj;
-
 /**
  * 随机工具类
  *
@@ -487,7 +487,7 @@ public class RandomUtil {
 	 * @return 随机数字字符
 	 * @since 3.1.2
 	 */
-	public static int randomNumber() {
+	public static char randomNumber() {
 		return randomChar(BASE_NUMBER);
 	}
 
diff --git a/hutool-core/src/test/java/cn/hutool/core/util/HexUtilTest.java b/hutool-core/src/test/java/cn/hutool/core/util/HexUtilTest.java
index 99553f241..4193ba412 100644
--- a/hutool-core/src/test/java/cn/hutool/core/util/HexUtilTest.java
+++ b/hutool-core/src/test/java/cn/hutool/core/util/HexUtilTest.java
@@ -3,9 +3,6 @@ package cn.hutool.core.util;
 import org.junit.Assert;
 import org.junit.Test;
 
-import cn.hutool.core.util.CharsetUtil;
-import cn.hutool.core.util.HexUtil;
-
 /**
  * HexUtil单元测试
  * @author Looly
diff --git a/hutool-core/src/test/java/cn/hutool/core/util/RandomUtilTest.java b/hutool-core/src/test/java/cn/hutool/core/util/RandomUtilTest.java
index b37e10098..c17eac233 100644
--- a/hutool-core/src/test/java/cn/hutool/core/util/RandomUtilTest.java
+++ b/hutool-core/src/test/java/cn/hutool/core/util/RandomUtilTest.java
@@ -35,4 +35,10 @@ public class RandomUtilTest {
 	public void randomBooleanTest() {
 		Console.log(RandomUtil.randomBoolean());
 	}
+
+	@Test
+	public void randomNumberTest() {
+		final char c = RandomUtil.randomNumber();
+		Assert.assertTrue(c <= '9');
+	}
 }