diff --git a/adapter/uhdf2/ipc/src/hdf_remote_adapter.cpp b/adapter/uhdf2/ipc/src/hdf_remote_adapter.cpp
index e3b4cac1bf679fd63d02502f6b9ed3b2d180659b..f6d3db3cd317e9e6df9446c7d70dbbba439a43bd 100644
--- a/adapter/uhdf2/ipc/src/hdf_remote_adapter.cpp
+++ b/adapter/uhdf2/ipc/src/hdf_remote_adapter.cpp
@@ -318,9 +318,11 @@ int HdfRemoteAdapterAddSa(int32_t saId, struct HdfRemoteService *service)
                 HDF_LOGI("GetSystemAbilityManager success");
                 break;
             }
+// LCOV_EXCL_START
             HDF_LOGI("GetSystemAbilityManager failed, retry");
             usleep(sleepInterval);
         }
+// LCOV_EXCL_STOP
         if (saManager == nullptr) {
             HDF_LOGE("failed to get sa manager, waiting timeout");
             return HDF_FAILURE;
@@ -376,9 +378,11 @@ struct HdfRemoteService *HdfRemoteAdapterGetSa(int32_t saId)
     if (remote != nullptr) {
         return HdfRemoteAdapterBind(remote);
     } else {
+// LCOV_EXCL_START
         HDF_LOGE("failed to get sa %{public}d", saId);
     }
     return nullptr;
+// LCOV_EXCL_STOP
 }
 
 bool HdfRemoteAdapterSetInterfaceDesc(struct HdfRemoteService *service, const char *desc)
@@ -496,8 +500,10 @@ int HdfRemoteAdapterDefaultDispatch(struct HdfRemoteService *service,
 
     OHOS::IPCObjectStub *stub = reinterpret_cast<OHOS::IPCObjectStub *>(holder->remote_.GetRefPtr());
     if (stub == nullptr) {
+// LCOV_EXCL_START
         HDF_LOGE("%{public}s: failed to converts holder->remote to IPCObjectStub object", __func__);
         return HDF_ERR_INVALID_PARAM;
+// LCOV_EXCL_STOP
     }
 
     OHOS::MessageParcel *dataParcel = nullptr;
@@ -505,13 +511,17 @@ int HdfRemoteAdapterDefaultDispatch(struct HdfRemoteService *service,
     OHOS::MessageOption option;
 
     if (SbufToParcel(data, &dataParcel) != HDF_SUCCESS) {
+// LCOV_EXCL_START
         HDF_LOGE("%{public}s:invalid data sbuf object to dispatch", __func__);
         return HDF_ERR_INVALID_PARAM;
+// LCOV_EXCL_STOP
     }
 
     if (SbufToParcel(data, &replyParcel) != HDF_SUCCESS) {
+// LCOV_EXCL_START
         HDF_LOGE("%{public}s:invalid reply sbuf object to dispatch", __func__);
         return HDF_ERR_INVALID_PARAM;
+// LCOV_EXCL_STOP
     }
 
     return stub->IPCObjectStub::OnRemoteRequest(code, *dataParcel, *replyParcel, option);
diff --git a/adapter/uhdf2/manager/src/devsvc_manager_stub.c b/adapter/uhdf2/manager/src/devsvc_manager_stub.c
index 1096e8e711bbe85b69786cd272105ec841a5941d..968d522aee7428365747336ad0f6d712ce35261a 100644
--- a/adapter/uhdf2/manager/src/devsvc_manager_stub.c
+++ b/adapter/uhdf2/manager/src/devsvc_manager_stub.c
@@ -328,13 +328,17 @@ static int32_t DevSvcManagerStubGetService(struct IDevSvcManager *super, struct
     int ret = HDF_FAILURE;
     struct DevSvcManagerStub *stub = (struct DevSvcManagerStub *)super;
     if (!HdfRemoteServiceCheckInterfaceToken(stub->remote, data)) {
+// LCOV_EXCL_START
         HDF_LOGE("%{public}s: invalid interface token", __func__);
         return HDF_ERR_INVALID_PARAM;
+// LCOV_EXCL_STOP
     }
     const char *name = HdfSbufReadString(data);
     if (name == NULL) {
+// LCOV_EXCL_START
         HDF_LOGE("%{public}s failed, name is null", __func__);
         return ret;
+// LCOV_EXCL_STOP
     }
     ret = GetServicePermCheck(name);
     if (ret != HDF_SUCCESS) {
@@ -397,13 +401,17 @@ static int32_t DevSvcManagerStubListServiceByInterfaceDesc(
     int ret;
     struct DevSvcManagerStub *stub = (struct DevSvcManagerStub *)super;
     if (!HdfRemoteServiceCheckInterfaceToken(stub->remote, data)) {
+// LCOV_EXCL_START
         HDF_LOGE("%{public}s: invalid interface token", __func__);
         return HDF_ERR_INVALID_PARAM;
+// LCOV_EXCL_STOP
     }
     const char *interfaceDesc = HdfSbufReadString(data);
     if (interfaceDesc == NULL) {
+// LCOV_EXCL_START
         HDF_LOGE("%{public}s failed, interfaceDesc is null", __func__);
         return HDF_FAILURE;
+// LCOV_EXCL_STOP
     }
     ret = ListServicePermCheck();
     if (ret != HDF_SUCCESS) {
@@ -418,13 +426,17 @@ static int32_t DevSvcManagerStubRemoveService(struct IDevSvcManager *super, stru
 {
     struct DevSvcManagerStub *stub = (struct DevSvcManagerStub *)super;
     if (!HdfRemoteServiceCheckInterfaceToken(stub->remote, data)) {
+// LCOV_EXCL_START
         HDF_LOGE("%{public}s: invalid interface token", __func__);
         return HDF_ERR_INVALID_PARAM;
+// LCOV_EXCL_STOP
     }
     const char *name = HdfSbufReadString(data);
     if (name == NULL) {
+// LCOV_EXCL_START
         HDF_LOGE("%{public}s failed, name is null", __func__);
         return HDF_FAILURE;
+// LCOV_EXCL_STOP
     }
     int32_t ret = AddServicePermCheck(name);
     if (ret != HDF_SUCCESS) {
@@ -628,13 +640,17 @@ int DevSvcManagerStubStart(struct IDevSvcManager *svcmgr)
     static struct HdfRemoteDispatcher dispatcher = {.Dispatch = DevSvcManagerStubDispatch};
     inst->remote = HdfRemoteServiceObtain((struct HdfObject *)inst, &dispatcher);
     if (inst->remote == NULL) {
+// LCOV_EXCL_START
         HDF_LOGE("failed to obtain device service manager remote service");
         return HDF_ERR_MALLOC_FAIL;
+// LCOV_EXCL_STOP
     }
     if (!HdfRemoteServiceSetInterfaceDesc(inst->remote, "HDI.IServiceManager.V1_0")) {
+// LCOV_EXCL_START
         HDF_LOGE("%{public}s: failed to init interface desc", __func__);
         HdfRemoteServiceRecycle(inst->remote);
         return HDF_ERR_INVALID_OBJECT;
+// LCOV_EXCL_STOP
     }
 
     inst->recipient.OnRemoteDied = DevSvcManagerOnServiceDied;
@@ -657,8 +673,10 @@ static bool DevSvcManagerStubConstruct(struct DevSvcManagerStub *inst)
         return false;
     }
     if (!DevSvcManagerConstruct(&inst->super)) {
+// LCOV_EXCL_START
         HDF_LOGE("failed to construct device service manager");
         return false;
+// LCOV_EXCL_STOP
     }
     inst->super.super.StartService = DevSvcManagerStubStart;
     OsalMutexInit(&inst->devSvcStubMutex);
diff --git a/framework/test/fuzztest/servmgr_cpp_fuzzer/unregisterservicestatuslistener_fuzzer/unregisterservicestatuslistener_fuzzer.cpp b/framework/test/fuzztest/servmgr_cpp_fuzzer/unregisterservicestatuslistener_fuzzer/unregisterservicestatuslistener_fuzzer.cpp
index 6089417d360d8402741a8cbf734dd43a2a1b8d3d..3d6e18c3d9401a38581475a10904de844f4d87f1 100644
--- a/framework/test/fuzztest/servmgr_cpp_fuzzer/unregisterservicestatuslistener_fuzzer/unregisterservicestatuslistener_fuzzer.cpp
+++ b/framework/test/fuzztest/servmgr_cpp_fuzzer/unregisterservicestatuslistener_fuzzer/unregisterservicestatuslistener_fuzzer.cpp
@@ -61,8 +61,7 @@ bool UnregisterServiceStatusListenerFuzzTest(const uint8_t *data, size_t size)
     OsalUSleep(WAIT_THRESHOLD);
     OsalUDelay(THRESHOLD);
     OsalMDelay(THRESHOLD);
-    uint64_t time = OsalGetSysTimeMs();
-    HDF_LOGD("%{public}s: time is %{public}llu!", __func__, time);
+    (void)OsalGetSysTimeMs();
 
     return result;
 }