diff --git a/oec-hardware-1.1.5-4-fix-gpu-testcase-bug.patch b/oec-hardware-1.1.5-4-fix-gpu-testcase-bug.patch
new file mode 100644
index 0000000..badc83f
--- /dev/null
+++ b/oec-hardware-1.1.5-4-fix-gpu-testcase-bug.patch
@@ -0,0 +1,12 @@
+diff -Naur rpm/tests/compatible/gpu/nvidia_gpu.py oech/tests/compatible/gpu/nvidia_gpu.py
+--- rpm/tests/compatible/gpu/nvidia_gpu.py	2024-06-07 16:37:44.542417257 +0800
++++ oech/tests/compatible/gpu/nvidia_gpu.py	2024-06-07 16:38:57.149472108 +0800
+@@ -174,7 +174,7 @@
+                 self.logger.error("Using nvidia-smi to test Drvier failed.")
+ 
+             env_display = os.getenv('DISPLAY')
+-            if env_display != '':
++            if env_display is not None and env_display != '':
+                 self.logger.info("Start to test Vulkan.")
+                 self.set_default_gpu()
+                 code = self.command.run_cmd(
diff --git a/oec-hardware.spec b/oec-hardware.spec
index f941389..ae2d9ce 100644
--- a/oec-hardware.spec
+++ b/oec-hardware.spec
@@ -6,7 +6,7 @@
 Name:           oec-hardware
 Summary:        openEuler Hardware Compatibility Test Suite
 Version:        1.1.5
-Release:        3
+Release:        4
 Group:          Development/Tools
 License:        Mulan PSL v2
 URL:            https://gitee.com/openeuler/oec-hardware
@@ -16,6 +16,7 @@ Source0:        https://gitee.com/openeuler/oec-hardware/repository/archive/v%{v
 Patch0001:      oec-hardware-1.1.5-1-add-virtual-branch-fix-bug.patch
 Patch0002:      oec-hardware-1.1.5-2-fix-bug.patch
 Patch0003:      oec-hardware-1.1.5-3-functional-optimization-fix-bug.patch
+Patch0004:      oec-hardware-1.1.5-4-fix-gpu-testcase-bug.patch
 
 Buildroot:      %{_tmppath}/%{name}-%{version}-root
 BuildRequires:  gcc
@@ -42,6 +43,7 @@ openEuler Hardware Compatibility Test Server
 %patch1 -p1
 %patch2 -p1
 %patch3 -p1
+%patch4 -p1
 
 %build
 %ifarch x86_64 aarch64
@@ -89,6 +91,9 @@ sed -i 's#grep openeulerversion /etc/openEuler-latest#grep %{vendor_lowercase}ve
 rm -rf /var/lock/oech.lock
 
 %changelog
+* Fri Jun 7 2024 xiaochn <xiaochuannan@inspur.com> - 1.1.5-4
+- Resolve the issue of executing Vulkan even if DISPLAY is not defined in the env
+
 * Tue Jun 4 2024 xiaochn <xiaochuannan@inspur.com> - 1.1.5-3
 - Resolve the issue of different kernel source download locations in kabi test case
 - Resolve the issue that kabiwhitelist still passes when the ko and rpm file does not exist