diff --git a/add-some-test-cases-to-improve-code-coverage.patch b/add-some-test-cases-to-improve-code-coverage.patch
new file mode 100644
index 0000000..dab2b5f
--- /dev/null
+++ b/add-some-test-cases-to-improve-code-coverage.patch
@@ -0,0 +1,53 @@
+From 0ddcddb289c6355d6f533aeceb6895a38fcf0a0f Mon Sep 17 00:00:00 2001
+From: shixuantong <shixuantong1@huawei.com>
+Date: Mon, 5 Jun 2023 16:31:58 +0800
+Subject: [PATCH] add some test cases to improve code coverage
+
+---
+ tests/nft-rule-test.c  | 3 +++
+ tests/nft-table-test.c | 8 ++++++++
+ 2 files changed, 11 insertions(+)
+
+diff --git a/tests/nft-rule-test.c b/tests/nft-rule-test.c
+index c48381e..8186752 100644
+--- a/tests/nft-rule-test.c
++++ b/tests/nft-rule-test.c
+@@ -106,6 +106,9 @@ int main(int argc, char *argv[])
+ 
+ 	cmp_nftnl_rule(a,b);
+ 
++	nftnl_rule_unset(a, NFTNL_RULE_TABLE);
++	nftnl_rule_unset(a, NFTNL_RULE_CHAIN);
++	nftnl_rule_unset(a, NFTNL_RULE_USERDATA);
+ 	nftnl_rule_free(a);
+ 	nftnl_rule_free(b);
+ 	if (!test_ok)
+diff --git a/tests/nft-table-test.c b/tests/nft-table-test.c
+index 1031ffe..ab111ba 100644
+--- a/tests/nft-table-test.c
++++ b/tests/nft-table-test.c
+@@ -35,6 +35,12 @@ static void cmp_nftnl_table(struct nftnl_table *a, struct nftnl_table *b)
+ 	if (nftnl_table_get_u32(a, NFTNL_TABLE_FAMILY) !=
+ 	    nftnl_table_get_u32(b, NFTNL_TABLE_FAMILY))
+ 		print_err("tabke family mismatches");
++	if (nftnl_table_get_u64(a, NFTNL_TABLE_HANDLE) !=
++            nftnl_table_get_u64(b, NFTNL_TABLE_HANDLE))
++                print_err("tabke handle mismatches");
++	if (strcmp(nftnl_table_get_str(a, NFTNL_TABLE_USERDATA),
++                   nftnl_table_get_str(b, NFTNL_TABLE_USERDATA)) != 0)
++                print_err("table userdata mismatches");
+ }
+ 
+ int main(int argc, char *argv[])
+@@ -53,6 +59,8 @@ int main(int argc, char *argv[])
+ 	nftnl_table_set_str(a, NFTNL_TABLE_NAME, "test");
+ 	nftnl_table_set_u32(a, NFTNL_TABLE_FAMILY, AF_INET);
+ 	nftnl_table_set_u32(a, NFTNL_TABLE_FLAGS, 0);
++	nftnl_table_set_u64(a, NFTNL_TABLE_HANDLE, 0x12345678);
++	nftnl_table_set_str(a, NFTNL_TABLE_USERDATA, "test for userdata");
+ 
+ 	/* cmd extracted from include/linux/netfilter/nf_tables.h */
+ 	nlh = nftnl_table_nlmsg_build_hdr(buf, NFT_MSG_NEWTABLE, AF_INET, 0,
+-- 
+2.27.0
+
diff --git a/libnftnl.spec b/libnftnl.spec
index 8df7380..5ade28c 100644
--- a/libnftnl.spec
+++ b/libnftnl.spec
@@ -1,6 +1,6 @@
 Name: libnftnl
 Version: 1.2.0
-Release: 5
+Release: 6
 Summary: Library for low-level interaction with nftables Netlink's API over libmnl
 License: GPLv2+
 URL: http://netfilter.org/projects/libnftnl/
@@ -12,6 +12,8 @@ Patch6002:     backport-libnftnl-Fix-res_id-byte-order.patch
 Patch6003:     backport-set-Do-not-leave-free-d-expr_list-elements-in-place.patch
 Patch6004:     backport-tests-nft-rule-test-Add-test-cases-to-improve-code-c.patch
 
+Patch9000:     add-some-test-cases-to-improve-code-coverage.patch
+
 BuildRequires: libmnl-devel jansson-devel gcc
 
 # replace old libnftables package
@@ -57,6 +59,9 @@ make %{?_smp_mflags} check
 %{_includedir}/libnftnl
 
 %changelog
+* Mon Jun 05 2023 shixuantong <shixuantong1@huawei.com> - 1.2.0-6
+- add some test cases to improve code coverage
+
 * Mon Jun 05 2023 shixuantong <shixuantong1@huawei.com> - 1.2.0-5
 - Do not leave free'd expr_list elements in place and add test cases