diff --git a/backport-fix-file-growth-when-strictly-greater-than.patch b/backport-fix-file-growth-when-strictly-greater-than.patch
new file mode 100644
index 0000000..9e37e03
--- /dev/null
+++ b/backport-fix-file-growth-when-strictly-greater-than.patch
@@ -0,0 +1,29 @@
+From 9697856be9af5f3d51a85ef29b02d956b94b0b55 Mon Sep 17 00:00:00 2001
+From: =?UTF-8?q?=E7=A8=8B=E4=B8=9A=E6=98=A5?=
+ <57088250+chengyechun@users.noreply.github.com>
+Date: Thu, 10 Oct 2024 14:48:39 +0800
+Subject: [PATCH] Update FileCopy.cc
+
+File growth can be calculated only if it is strictly greater than
+
+Conflict:NA
+Reference:https://github.com/lavv17/lftp/commit/9697856be9af5f3d51a85ef29b02d956b94b0b55
+
+---
+ src/FileCopy.cc | 3 ++-
+ 1 file changed, 2 insertions(+), 1 deletion(-)
+
+diff --git a/src/FileCopy.cc b/src/FileCopy.cc
+index 31d4e066..0d71d29b 100644
+--- a/src/FileCopy.cc
++++ b/src/FileCopy.cc
+@@ -1137,7 +1137,8 @@ void FileCopyPeerFA::OpenSession()
+ 	 debug((10,"copy dst: seek past eof (seek_pos=%lld, size=%lld)\n",
+ 		  (long long)seek_pos,(long long)e_size));
+ 	 eof=true;
+-	 fileincreased=true;
++	 if(seek_pos>e_size)
++	    fileincreased=true;
+ 	 if(date==NO_DATE || date==NO_DATE_YET)
+ 	    return;
+       }
diff --git a/backport-fix-the-error-of-retransmission.patch b/backport-fix-the-error-of-retransmission.patch
new file mode 100644
index 0000000..3935170
--- /dev/null
+++ b/backport-fix-the-error-of-retransmission.patch
@@ -0,0 +1,28 @@
+From e71135d7523bcb992764e37d3238db477a8b1842 Mon Sep 17 00:00:00 2001
+From: =?UTF-8?q?=E7=A8=8B=E4=B8=9A=E6=98=A5?=
+ <57088250+chengyechun@users.noreply.github.com>
+Date: Thu, 10 Oct 2024 14:51:31 +0800
+Subject: [PATCH] Update FileAccess.h
+
+The first transmission is not counted as retransmission. Therefore, the number of retransmission attempts must be greater than the configured number of retransmissions.
+
+Conflict:NA
+Reference:https://github.com/lavv17/lft/commit/e71135d7523bcb992764e37d3238db477a8b1842
+
+---
+ src/FileAccess.h | 2 +-
+ 1 file changed, 1 insertion(+), 1 deletion(-)
+
+diff --git a/src/FileAccess.h b/src/FileAccess.h
+index 1bd081151..4d8e252f7 100644
+--- a/src/FileAccess.h
++++ b/src/FileAccess.h
+@@ -565,7 +565,7 @@ class UploadState
+       retries=session->GetRetries();
+       off_t pos=session->GetRealPos();
+       int max_retries=session->GetMaxRetries();
+-      if(max_retries>0 && retries>=max_retries)
++      if(max_retries>0 && retries>max_retries)
+ 	 pos=0;
+       if(pos_watermark<pos) {
+ 	 pos_watermark=pos;
diff --git a/lftp.spec b/lftp.spec
index 004c49a..4e047d3 100644
--- a/lftp.spec
+++ b/lftp.spec
@@ -1,7 +1,7 @@
 Summary:	A sophisticated file transfer program
 Name:		lftp
 Version:	4.9.2
-Release:	6
+Release:	7
 License:	GPLv3+
 URL:		http://lftp.yar.ru/
 Source0:        http://lftp.yar.ru/ftp/%{name}-%{version}.tar.xz
@@ -17,6 +17,8 @@ Patch6002:      backport-Quit-while-source-file-increased.patch
 Patch6003:      backport-Ensure-that-PollVec-enum-matches-poll-values.patch
 Patch6004:      backport-fix-second-find_cmd-Segmentation-fault.patch
 Patch6005:      backport-fix-sftp-too-many-out-of-order-packets.patch
+Patch6006:      backport-fix-file-growth-when-strictly-greater-than.patch
+Patch6007:      backport-fix-the-error-of-retransmission.patch
 
 %description
 LFTP is a sophisticated file transfer program supporting a number of
@@ -90,6 +92,13 @@ echo "%{_libdir}/lftp/%{version}" > %{buildroot}/etc/ld.so.conf.d/%{name}-%{_arc
 
 
 %changelog
+* Mon Mar 24 2025 chengyechun <chengyechun1@huawei.com> - 4.9.2-7
+- Type:bugfix
+- CVE:NA
+- SUG:NA
+- DESC:File growth can be calculated only if it is strictly greater than
+       fix the error of retransmission
+
 * Mon Nov 11 2024 chengyechun <chengyechun1@huawei.com> - 4.9.2-6
 - Type:bugfix
 - CVE:NA