diff --git a/hutool-extra/src/main/java/cn/hutool/extra/ftp/AbstractFtp.java b/hutool-extra/src/main/java/cn/hutool/extra/ftp/AbstractFtp.java
index 4a3295553..388ad521c 100644
--- a/hutool-extra/src/main/java/cn/hutool/extra/ftp/AbstractFtp.java
+++ b/hutool-extra/src/main/java/cn/hutool/extra/ftp/AbstractFtp.java
@@ -100,13 +100,15 @@ public abstract class AbstractFtp implements Closeable {
 		// 目录验证
 		if (isDir(path)) {
 			return true;
-		} else {
-			if (CharUtil.isFileSeparator(path.charAt(path.length() - 1))) {
-				return false;
-			}
+		}
+		if (CharUtil.isFileSeparator(path.charAt(path.length() - 1))) {
+			return false;
+		}
+		final String fileName = FileUtil.getName(path);
+		if (".".equals(fileName) || "..".equals(fileName)) {
+			return false;
 		}
 		// 文件验证
-		final String fileName = FileUtil.getName(path);
 		final String dir = StrUtil.removeSuffix(path, fileName);
 		final List<String> names;
 		try {
diff --git a/hutool-extra/src/test/java/cn/hutool/extra/ftp/FtpTest.java b/hutool-extra/src/test/java/cn/hutool/extra/ftp/FtpTest.java
index 275c6339d..2643931f2 100644
--- a/hutool-extra/src/test/java/cn/hutool/extra/ftp/FtpTest.java
+++ b/hutool-extra/src/test/java/cn/hutool/extra/ftp/FtpTest.java
@@ -122,14 +122,19 @@ public class FtpTest {
 	@Ignore
 	public void existFtpTest() throws Exception {
 		try (Ftp ftp = new Ftp("127.0.0.1", 21)) {
-			Console.log(ftp.exist("/test/"));
+			Console.log(ftp.exist("/test"));
 			Console.log(ftp.exist("/test/"));
 			Console.log(ftp.exist("/test//////"));
+			Console.log(ftp.exist("/test/.."));
+			Console.log(ftp.exist("/test/."));
 			Console.log(ftp.exist("/file1"));
 			Console.log(ftp.exist("/file1/"));
 			Console.log(ftp.exist("///////////"));
 			Console.log(ftp.exist("./"));
 			Console.log(ftp.exist("./file1"));
+			Console.log(ftp.exist("."));
+			Console.log(ftp.exist("./2/3/4/.."));
+			Console.log(ftp.ls("./2/3/4/.."));
 			Console.log(ftp.pwd());
 		}
 	}