diff --git a/hutool-extra/src/main/java/cn/hutool/v7/extra/ssh/engine/jsch/JschSftp.java b/hutool-extra/src/main/java/cn/hutool/v7/extra/ssh/engine/jsch/JschSftp.java
index f7544d28b..564a26f48 100644
--- a/hutool-extra/src/main/java/cn/hutool/v7/extra/ssh/engine/jsch/JschSftp.java
+++ b/hutool-extra/src/main/java/cn/hutool/v7/extra/ssh/engine/jsch/JschSftp.java
@@ -665,7 +665,9 @@ public class JschSftp extends AbstractFtp {
 	@Override
 	public void close() {
 		JschUtil.close(this.channel);
+		this.channel = null;
 		JschUtil.close(this.session);
+		this.session = null;
 	}
 
 	@Override