diff --git a/CHANGELOG.md b/CHANGELOG.md
index 0562c290f..522308299 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -6,7 +6,11 @@
 ## 4.6.9
 
 ### 新特性
+* 【all】        修复注释中的错别字（issue#I12XE6@Gitee）
+* 【core】       CsvWriter支持其它类型的参数（issue#I12XE3@Gitee）
+
 ### Bug修复
+* 【all】        修复阶乘计算错误bug（issue#I12XE4@Gitee）
 
 -------------------------------------------------------------------------------------------------------------
 
diff --git a/hutool-core/src/main/java/cn/hutool/core/convert/Convert.java b/hutool-core/src/main/java/cn/hutool/core/convert/Convert.java
index 08e718ac3..3d485f5ec 100644
--- a/hutool-core/src/main/java/cn/hutool/core/convert/Convert.java
+++ b/hutool-core/src/main/java/cn/hutool/core/convert/Convert.java
@@ -233,7 +233,7 @@ public class Convert {
 
 	/**
 	 * 转换为Integer数组<br>
-	 * 
+	 *
 	 * @param value 被转换的值
 	 * @return 结果
 	 */
diff --git a/hutool-core/src/main/java/cn/hutool/core/text/csv/CsvWriter.java b/hutool-core/src/main/java/cn/hutool/core/text/csv/CsvWriter.java
index 7db1433cf..bdbfbdf70 100644
--- a/hutool-core/src/main/java/cn/hutool/core/text/csv/CsvWriter.java
+++ b/hutool-core/src/main/java/cn/hutool/core/text/csv/CsvWriter.java
@@ -11,6 +11,7 @@ import java.nio.charset.Charset;
 import java.util.Collection;
 
 import cn.hutool.core.collection.CollUtil;
+import cn.hutool.core.convert.Convert;
 import cn.hutool.core.io.FileUtil;
 import cn.hutool.core.io.IORuntimeException;
 import cn.hutool.core.io.IoUtil;
@@ -183,14 +184,14 @@ public final class CsvWriter implements Closeable, Flushable, Serializable {
 	/**
 	 * 将多行写出到Writer
 	 * 
-	 * @param lines 多行数据
+	 * @param lines 多行数据，每行数据可以是集合或者数组
 	 * @return this
 	 * @throws IORuntimeException IO异常
 	 */
-	public CsvWriter write(Collection<String[]> lines) throws IORuntimeException {
+	public CsvWriter write(Collection<?> lines) throws IORuntimeException {
 		if (CollUtil.isNotEmpty(lines)) {
-			for (final String[] values : lines) {
-				appendLine(values);
+			for (Object values : lines) {
+				appendLine(Convert.toStrArray(values));
 			}
 			flush();
 		}
diff --git a/hutool-core/src/main/java/cn/hutool/core/util/NumberUtil.java b/hutool-core/src/main/java/cn/hutool/core/util/NumberUtil.java
index 75f1d6a21..6293a370d 100644
--- a/hutool-core/src/main/java/cn/hutool/core/util/NumberUtil.java
+++ b/hutool-core/src/main/java/cn/hutool/core/util/NumberUtil.java
@@ -13,6 +13,7 @@ import java.util.Set;
 
 import cn.hutool.core.exceptions.UtilException;
 import cn.hutool.core.lang.Assert;
+import cn.hutool.core.lang.Console;
 
 /**
  * 数字工具类<br>
@@ -1382,17 +1383,17 @@ public class NumberUtil {
 	 * </p>
 	 * 
 	 * @param start 阶乘起始
-	 * @param end 阶乘结束
+	 * @param end 阶乘结束，必须小于起始
 	 * @return 结果
 	 * @since 4.1.0
 	 */
 	public static long factorial(long start, long end) {
+		if (0L == start || start == end) {
+			return 1L;
+		}
 		if (start < end) {
 			return 0L;
 		}
-		if (start == end) {
-			return 1L;
-		}
 		return start * factorial(start - 1, end);
 	}
 
diff --git a/hutool-core/src/test/java/cn/hutool/core/util/NumberUtilTest.java b/hutool-core/src/test/java/cn/hutool/core/util/NumberUtilTest.java
index 4622f9eaa..fda651f73 100644
--- a/hutool-core/src/test/java/cn/hutool/core/util/NumberUtilTest.java
+++ b/hutool-core/src/test/java/cn/hutool/core/util/NumberUtilTest.java
@@ -188,13 +188,13 @@ public class NumberUtilTest {
 		BigDecimal bigDecimal = NumberUtil.toBigDecimal(a);
 		Assert.assertEquals("3.14", bigDecimal.toString());
 	}
-	
+
 	@Test
 	public void maxTest() {
 		int max = NumberUtil.max(new int[]{5,4,3,6,1});
 		Assert.assertEquals(6, max);
 	}
-	
+
 	@Test
 	public void minTest() {
 		int min = NumberUtil.min(new int[]{5,4,3,6,1});
@@ -232,4 +232,15 @@ public class NumberUtilTest {
 		long v6 = NumberUtil.parseLong("22.4D");
 		Assert.assertEquals(22L, v6);
 	}
+
+	@Test
+	public void factorialTest(){
+		long factorial = NumberUtil.factorial(0);
+		Assert.assertEquals(1, factorial);
+
+		factorial = NumberUtil.factorial(5, 0);
+		Assert.assertEquals(120, factorial);
+		factorial = NumberUtil.factorial(5, 1);
+		Assert.assertEquals(120, factorial);
+	}
 }