diff --git a/anaconda.spec b/anaconda.spec
index 2236bc8..887c2cd 100644
--- a/anaconda.spec
+++ b/anaconda.spec
@@ -4,7 +4,7 @@
 %endif
 Name:    anaconda
 Version: 33.19
-Release: 25
+Release: 26
 Summary: Graphical system installer
 License: GPLv2+ and MIT
 URL:     http://fedoraproject.org/wiki/Anaconda
@@ -115,6 +115,7 @@ Patch6071:    bugfix-do-not-mount-dbus-source.patch
 Patch6072:    fix-xorg-timeout-and-throw-exception.patch
 Patch6073:    bugfix-Fix-issue-when-ns_info-cannot-be-retrieved-for-NVDim.patch
 Patch6074:    bugfix-Fix-SECTION-headers-in-docstrings.patch
+Patch6075:    change-inst-repo-default-value.patch
 
 %define dbusver 1.2.3
 %define dnfver 3.6.0
@@ -331,6 +332,12 @@ update-desktop-database &> /dev/null || :
 %{_datadir}/gtk-doc
 
 %changelog
+* Thu Jun 24 2021 youyifeng <ctyuncommiter05@chinatelecom.cn> - 33.19-26
+- Type:bugfix
+- ID:NA
+- SUG:NA
+- DESC:change inst.repo default value
+
 * Mon Jun 21 2021 gaihuiying <gaihuiying1@huawei.com> - 33.19-25
 - Type:bugfix
 - ID:NA
diff --git a/change-inst-repo-default-value.patch b/change-inst-repo-default-value.patch
new file mode 100644
index 0000000..469f9e6
--- /dev/null
+++ b/change-inst-repo-default-value.patch
@@ -0,0 +1,26 @@
+From e73464ef17f54743dc194ad28e32797a10e844a4 Mon Sep 17 00:00:00 2001
+From: ctyuncommiter05 <ctyuncommiter05@chinatelecom.cn>
+Date: Thu, 24 Jun 2021 16:30:45 +0800
+Subject: [PATCH] change inst.repo default value
+
+Solve the problem of U disk installation failure problem.
+---
+ anaconda.py | 2 ++
+ 1 file changed, 2 insertions(+)
+
+diff --git a/anaconda.py b/anaconda.py
+index 1abdeb2..44b573c 100755
+--- a/anaconda.py
++++ b/anaconda.py
+@@ -263,6 +263,8 @@ if __name__ == "__main__":
+     from pyanaconda.flags import flags
+     from pyanaconda.core.kernel import kernel_arguments
+     (opts, depr) = parse_arguments(boot_cmdline=kernel_arguments)
++    if not opts.method:
++        opts.method = opts.stage2
+ 
+     from pyanaconda.core.configuration.anaconda import conf
+     conf.set_from_opts(opts)
+-- 
+2.27.0
+