diff --git a/0001-fix-short-variable-none.patch b/0001-fix-short-variable-none.patch
new file mode 100644
index 0000000000000000000000000000000000000000..223eb0eb46ffe449651b887bc440a981d15cee12
--- /dev/null
+++ b/0001-fix-short-variable-none.patch
@@ -0,0 +1,25 @@
+From 9781853e80ff20dc5f5a01bb4c90aa490c7dfd34 Mon Sep 17 00:00:00 2001
+From: t_feng <fengtao40@huawei.com>
+Date: Thu, 27 Aug 2020 23:38:19 +0800
+Subject: [PATCH] fix short variable none
+
+---
+ productmd/treeinfo.py | 2 +-
+ 1 file changed, 1 insertion(+), 1 deletion(-)
+
+diff --git a/productmd/treeinfo.py b/productmd/treeinfo.py
+index a8f472e..2404d26 100644
+--- a/productmd/treeinfo.py
++++ b/productmd/treeinfo.py
+@@ -246,7 +246,7 @@ class Release(BaseProduct):
+             self.name = "CentOS"
+             self.short = "CentOS"
+         else:
+-            self.short = None
++            self.short = ""
+ 
+     def deserialize_0_3(self, parser):
+         self.name = parser.get("product", "name")
+-- 
+2.23.0
+
diff --git a/productmd-add-support-generic-os.patch b/productmd-add-support-generic-os.patch
deleted file mode 100644
index 4b1e6ab8bcc820046a8c8a64efa0cfe859b8e0a0..0000000000000000000000000000000000000000
--- a/productmd-add-support-generic-os.patch
+++ /dev/null
@@ -1,13 +0,0 @@
-diff -uNrp a/productmd/treeinfo.py b/productmd/treeinfo.py
---- a/productmd/treeinfo.py	2016-11-15 15:04:26.000000000 +0000
-+++ b/productmd/treeinfo.py	2019-01-10 16:44:48.998592066 +0000
-@@ -245,6 +245,9 @@ class Release(BaseProduct):
-         elif self.name.startswith("CentOS"):
-             self.name = "CentOS"
-             self.short = "CentOS"
-+        elif self.name.startswith("generic_os"):
-+            self.name = "generic_os"
-+            self.short = "generic_os"
-         else:
-             self.short = None
- 
diff --git a/python-productmd.spec b/python-productmd.spec
index 6c929fdec90126b09921c24041f49846d5d0f262..d1c55bcc30e7009643c4a1b9c002c139cca30f89 100644
--- a/python-productmd.spec
+++ b/python-productmd.spec
@@ -1,12 +1,12 @@
 Name:            python-productmd
 Version:         1.26
-Release:         1
+Release:         2
 Summary:         Python library providing parsers for metadata
 License:         LGPLv2+
 URL:             https://github.com/release-engineering/productmd
 Source0:         https://files.pythonhosted.org/packages/source/p/productmd/productmd-%{version}.tar.bz2
 
-Patch9000:       productmd-add-support-generic-os.patch
+Patch9000:       0001-fix-short-variable-none.patch
 
 BuildArch:       noarch
 
@@ -36,8 +36,6 @@ Productmd for python3.
 %prep
 %autosetup -n productmd-%{version} -p1
 
-sed -i "s/generic_os/%{_vendor}/g" productmd/treeinfo.py
-
 %build
 %py2_build
 %py3_build
@@ -69,6 +67,12 @@ sed -i "s/generic_os/%{_vendor}/g" productmd/treeinfo.py
 %{python3_sitelib}/productmd-%{version}-py?.?.egg-info
 
 %changelog
+* Sat` Mar 6 2021 yanan <yanan@huawei.com> - 1.26-2
+- Type:bugfix
+- ID:NA
+- SUG:NA
+- DESC:fix short variable none
+
 * Sat Aug 22 2020 tianwei <tianwei12@huawei.com> - 1.26-1
 - Type:enhancement
 - ID:NA