diff --git a/plugin/sftpBackupStorage/src/main/java/org/zstack/storage/backup/sftp/SftpBackupStorage.java b/plugin/sftpBackupStorage/src/main/java/org/zstack/storage/backup/sftp/SftpBackupStorage.java
index f4aa59c4e41..d2513dad272 100755
--- a/plugin/sftpBackupStorage/src/main/java/org/zstack/storage/backup/sftp/SftpBackupStorage.java
+++ b/plugin/sftpBackupStorage/src/main/java/org/zstack/storage/backup/sftp/SftpBackupStorage.java
@@ -39,6 +39,7 @@
 import java.net.URI;
 import java.net.URISyntaxException;
 import java.util.List;
+import java.util.concurrent.TimeUnit;
 
 import static org.zstack.core.Platform.err;
 import static org.zstack.core.Platform.operr;
@@ -338,7 +339,7 @@ public void success() {
                 cmd.setUuid(self.getUuid());
                 cmd.setStoragePath(getSelf().getUrl());
                 cmd.setSendCommandUrl(restf.getSendCommandUrl());
-                ConnectResponse rsp = restf.syncJsonPost(url, cmd, ConnectResponse.class);
+                ConnectResponse rsp = restf.syncJsonPost(url, cmd, ConnectResponse.class, TimeUnit.SECONDS, SftpBackupStorageGlobalProperty.CONNECT_TIMEOUT);
                 if (!rsp.isSuccess()) {
                     ErrorCode err = operr(ORG_ZSTACK_STORAGE_BACKUP_SFTP_10006, "unable to connect to SimpleHttpBackupStorage[url:%s], because %s", url, rsp.getError());
                     complete.fail(err);
diff --git a/plugin/sftpBackupStorage/src/main/java/org/zstack/storage/backup/sftp/SftpBackupStorageGlobalProperty.java b/plugin/sftpBackupStorage/src/main/java/org/zstack/storage/backup/sftp/SftpBackupStorageGlobalProperty.java
index ffc6758c3a2..001f4e0cc88 100755
--- a/plugin/sftpBackupStorage/src/main/java/org/zstack/storage/backup/sftp/SftpBackupStorageGlobalProperty.java
+++ b/plugin/sftpBackupStorage/src/main/java/org/zstack/storage/backup/sftp/SftpBackupStorageGlobalProperty.java
@@ -20,6 +20,8 @@ public class SftpBackupStorageGlobalProperty {
     public static String AGENT_URL_ROOT_PATH;
     @GlobalProperty(name="SftpBackupStorage.DownloadCmd.timeout", defaultValue = "7200")
     public static int DOWNLOAD_CMD_TIMEOUT;
+    @GlobalProperty(name="SftpBackupStorage.ConnectCmd.timeout", defaultValue = "60")
+    public static long CONNECT_TIMEOUT;
     @GlobalProperty(name="MN.network.", defaultValue = "")
     public static List<String> MN_NETWORKS;
 }