diff --git a/hutool-core/src/main/java/cn/hutool/core/io/FileUtil.java b/hutool-core/src/main/java/cn/hutool/core/io/FileUtil.java
index 7a1b423cd..f4033da94 100644
--- a/hutool-core/src/main/java/cn/hutool/core/io/FileUtil.java
+++ b/hutool-core/src/main/java/cn/hutool/core/io/FileUtil.java
@@ -2922,6 +2922,7 @@ public class FileUtil extends PathUtil {
 	 *
 	 * @param dest 目标文件
 	 * @param in   输入流
+	 * @param isCloseIn 是否关闭输入流
 	 * @return dest
 	 * @throws IORuntimeException IO异常
 	 * @since 5.5.6
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 a012827a6..60d27685b 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
@@ -224,6 +224,7 @@ public final class CsvWriter implements Closeable, Flushable, Serializable {
 	/**
 	 * 追加新行（换行）
 	 *
+	 * @return this
 	 * @throws IORuntimeException IO异常
 	 */
 	public CsvWriter writeLine() throws IORuntimeException {