diff --git a/bugifx-Fix-string-case-option-can-not-work.patch b/bugifx-Fix-string-case-option-can-not-work.patch
new file mode 100644
index 0000000..46ba530
--- /dev/null
+++ b/bugifx-Fix-string-case-option-can-not-work.patch
@@ -0,0 +1,25 @@
+From 94f826661478949e7e4fff0726ffb99df1462eaf Mon Sep 17 00:00:00 2001
+From: wangxp006 <wangxp006@163.com>
+Date: Wed, 9 Mar 2022 16:00:38 +0800
+Subject: [PATCH] Fix string-case option can not work
+
+---
+ extensions/ebt_string.c | 2 --
+ 1 file changed, 2 deletions(-)
+
+diff --git a/extensions/ebt_string.c b/extensions/ebt_string.c
+index 97fbe19..74a1bfa 100644
+--- a/extensions/ebt_string.c
++++ b/extensions/ebt_string.c
+@@ -174,8 +174,6 @@ static int parse(int c, char **argv, int argc, const struct ebt_u_entry *entry,
+ 		break;
+ 	case STRING_ICASE:
+ 		ebt_check_option2(flags, OPT_STRING_ICASE);
+-		if (ebt_check_inverse2(optarg))
+-			ebt_print_error2("Unexpected `!' after --string-icase");
+ 		info->u.v1.flags |= XT_STRING_FLAG_IGNORECASE;
+ 		break;
+ 	case STRING:
+-- 
+2.32.0
+
diff --git a/ebtables.spec b/ebtables.spec
index f6237fb..9d560c6 100644
--- a/ebtables.spec
+++ b/ebtables.spec
@@ -1,7 +1,7 @@
 
 Name:             ebtables
 Version:          2.0.11
-Release:          2
+Release:          3
 Summary:          A filtering tool for a Linux-based bridging firewall
 License:          GPLv2+
 URL:              http://ebtables.sourceforge.net/
@@ -10,6 +10,8 @@ Source2:          ebtables.systemd
 Source3:          ebtables.service
 Source4:          ebtables-config
 
+Patch0001:    bugifx-Fix-string-case-option-can-not-work.patch   
+
 
 BuildRequires:    systemd libtool
 BuildRequires:    chrpath
@@ -27,7 +29,7 @@ Summary: help documents for ebtables
 Help package contains some doc and man help files for ebtables.
 
 %prep
-%autosetup -n %{name}-%{version}
+%autosetup -n %{name}-%{version} -p1
 f=THANKS; iconv -f iso-8859-1 -t utf-8 $f -o $f.utf8 ; mv $f.utf8 $f
 
 %build
@@ -102,6 +104,12 @@ fi
 %doc %{_mandir}/man8/ebtables-legacy.8*
 
 %changelog
+* Tue Mar 09 2023 wangxiaopeng <wangxiaopeng7@huawei.com> - 2.0.11-3
+- Type:bugfix
+- ID:NA
+- SUG:NA
+- DESC:fix string-icase can not work
+
 * Tue Sep 07 2021 gaihuiying <gaihuiying1@huawei.com> - 2.0.11-2
 - Type:bugfix
 - ID:NA