diff --git a/fix-result-when-process-output-is-None.patch b/fix-result-when-process-output-is-None.patch
new file mode 100644
index 0000000000000000000000000000000000000000..9d227001f40da876af90c8b47a011d2d5b1de0a1
--- /dev/null
+++ b/fix-result-when-process-output-is-None.patch
@@ -0,0 +1,36 @@
+From e8e4fa5fd9e78508567782e17b7b1cb6ace3ef0d Mon Sep 17 00:00:00 2001
+From: shixuantong <shixuantong1@huawei.com>
+Date: Fri, 26 Jul 2024 15:59:42 +0800
+Subject: [PATCH] fix result when process output is None
+
+---
+ src/python/syssentry/cpu_sentry.py | 8 ++++++++
+ 1 file changed, 8 insertions(+)
+
+diff --git a/src/python/syssentry/cpu_sentry.py b/src/python/syssentry/cpu_sentry.py
+index d0bafa8..9287e2f 100644
+--- a/src/python/syssentry/cpu_sentry.py
++++ b/src/python/syssentry/cpu_sentry.py
+@@ -87,11 +87,19 @@ class CpuSentry:
+         }
+ 
+     def handle_cpu_output(self, stdout: str):
++        if not stdout:
++            logging.error("%s process output is None, it may be killed!", LOW_LEVEL_INSPECT_CMD)
++            self.send_result["result"] = ResultLevel.FAIL
++            self.send_result["details"]["code"] = 1005
++            self.send_result["details"]["msg"] = "cpu_sentry task is killed!"
++            return
++
+         if "ERROR" in stdout:
+             self.send_result["result"] = ResultLevel.FAIL
+             self.send_result["details"]["code"] = 1004
+             self.send_result["details"]["msg"] = stdout.split("\n")[0]
+             return
++
+         out_split = stdout.split("\n")
+         isolated_cores_number = 0
+         found_fault_cores_list = []
+-- 
+2.27.0
+
diff --git a/sysSentry.spec b/sysSentry.spec
index 6bc93aa697247438b607619533ca30368071fa81..3f63cc016129dd97f3a6c9cd5c0eaa66010987ef 100644
--- a/sysSentry.spec
+++ b/sysSentry.spec
@@ -4,7 +4,7 @@
 Summary: System Inspection Framework
 Name: sysSentry
 Version: 1.0.2
-Release: 3
+Release: 4
 License: Mulan PSL v2
 Group: System Environment/Daemons
 Source0: https://gitee.com/openeuler/sysSentry/releases/download/v%{version}/%{name}-%{version}.tar.gz
@@ -13,6 +13,7 @@ BuildRoot: %{_builddir}/%{name}-root
 Patch1:    fix-version-in-setup.py.patch
 Patch2:    Fix-the-problem-that-function-cpu_report_result-is-c.patch
 Patch3:    fix-error-handling.patch
+Patch4:    fix-result-when-process-output-is-None.patch
 
 BuildRequires: cmake gcc-c++
 BuildRequires: python3 python3-setuptools
@@ -169,6 +170,12 @@ rm -rf %{buildroot}
 %attr(0550,root,root) %{python3_sitelib}/syssentry/cpu_*
 
 %changelog
+* Fri Jul 26 2024 shixuantong <shixuantong1@huawei.com> - 1.0.2-4
+- Type:bugfix
+- CVE:NA
+- SUG:NA
+- DESC:fix result when process output is None
+
 * Thu Jul 25 2024 shixuantong <shixuantong1@huawei.com> - 1.0.2-3
 - Type:bugfix
 - CVE:NA