diff --git a/test/benchmarktest/device_manager_fa_test/device_manager_fa_test.cpp b/test/benchmarktest/device_manager_fa_test/device_manager_fa_test.cpp
index 8e049bad17dcc1b76a0cbaed48a9287a32a21292..48c861dee4d52b5327de8b79624dfc5c078a2c33 100644
--- a/test/benchmarktest/device_manager_fa_test/device_manager_fa_test.cpp
+++ b/test/benchmarktest/device_manager_fa_test/device_manager_fa_test.cpp
@@ -233,7 +233,7 @@ BENCHMARK_F(DeviceDiscoveryTest, StartDeviceDiscoveryTestCase)(
         subInfo.freq = DM_HIGH;
         subInfo.isSameAccount = false;
         subInfo.isWakeRemote = false;
-        strcpy(subInfo.capability, DM_CAPABILITY_OSD);
+        strcpy_s(subInfo.capability, DM_MAX_DEVICE_CAPABILITY_LEN, DM_CAPABILITY_OSD);
         std::shared_ptr<DiscoveryCallback> callback = std::make_shared<DeviceDiscoveryCallbackTest>();
         int32_t ret = DeviceManager::GetInstance().StartDeviceDiscovery(packageName,
         subInfo, extra, callback);
@@ -261,7 +261,7 @@ BENCHMARK_F(DeviceDiscoveryTest, StoptDeviceDiscoveryTestCase)(
         subInfo.freq = DM_HIGH;
         subInfo.isSameAccount = false;
         subInfo.isWakeRemote = false;
-        strcpy(subInfo.capability, DM_CAPABILITY_OSD);
+        strcpy_s(subInfo.capability, DM_MAX_DEVICE_CAPABILITY_LEN, DM_CAPABILITY_OSD);
         std::shared_ptr<DiscoveryCallback> callback = std::make_shared<DeviceDiscoveryCallbackTest>();
         int32_t ret = DeviceManager::GetInstance().StartDeviceDiscovery(pkgName,
         subInfo, extra, callback);