diff --git a/services/distributedhardwarefwkservice/src/localhardwaremanager/local_hardware_manager.cpp b/services/distributedhardwarefwkservice/src/localhardwaremanager/local_hardware_manager.cpp
index c4bb76a02d47e6180c217d27f94d6cb78d743ef0..18d5801bc96cf3eb841b219fb3dedf7e951fbdb3 100644
--- a/services/distributedhardwarefwkservice/src/localhardwaremanager/local_hardware_manager.cpp
+++ b/services/distributedhardwarefwkservice/src/localhardwaremanager/local_hardware_manager.cpp
@@ -51,9 +51,9 @@ void LocalHardwareManager::Init()
     std::lock_guard<std::mutex> lock(localHardwareMgrMutex_);
     std::vector<DHType> allCompTypes;
     ComponentLoader::GetInstance().GetAllCompTypes(allCompTypes);
-    uint64_t allQueryStartTime = GetCurrentTime();
+    int64_t allQueryStartTime = GetCurrentTime();
     for (auto dhType : allCompTypes) {
-        uint64_t singleQueryStartTime = GetCurrentTime();
+        int64_t singleQueryStartTime = GetCurrentTime();
         IHardwareHandler *hardwareHandler = nullptr;
         int32_t status = ComponentLoader::GetInstance().GetHardwareHandler(dhType, hardwareHandler);
         if (status != DH_FWK_SUCCESS || hardwareHandler == nullptr) {
@@ -78,11 +78,11 @@ void LocalHardwareManager::Init()
             pluginListenerMap_[dhType] = listener;
             hardwareHandler->RegisterPluginListener(listener);
         }
-        uint64_t singleQueryEndTime = GetCurrentTime();
+        int64_t singleQueryEndTime = GetCurrentTime();
         DHLOGI("query %{public}#X hardware cost time: %{public}" PRIu64 " ms",
             dhType, singleQueryEndTime - singleQueryStartTime);
     }
-    uint64_t allQueryEndTime = GetCurrentTime();
+    int64_t allQueryEndTime = GetCurrentTime();
     DHLOGI("query all local hardware cost time: %{public}" PRIu64 " ms", allQueryEndTime - allQueryStartTime);
     std::vector<std::shared_ptr<CapabilityInfo>> capabilityInfos;
     std::vector<std::shared_ptr<MetaCapabilityInfo>> metaCapInfos;
diff --git a/utils/include/dh_utils_tool.h b/utils/include/dh_utils_tool.h
index 503661378258629206f00602d7e104c3cac74313..7c7f28523c40a284f5d9d556f3832e94899f9dac 100644
--- a/utils/include/dh_utils_tool.h
+++ b/utils/include/dh_utils_tool.h
@@ -27,7 +27,7 @@ namespace DistributedHardware {
 /**
  * return current time in millisecond.
  */
-uint64_t GetCurrentTime();
+int64_t GetCurrentTime();
 
 /**
  * return a random string id.
diff --git a/utils/src/dh_utils_tool.cpp b/utils/src/dh_utils_tool.cpp
index fb0d9bfea27b4af986951e15a430fda79651464f..b13ba10214508309f24d21e295a03641e2c85db8 100644
--- a/utils/src/dh_utils_tool.cpp
+++ b/utils/src/dh_utils_tool.cpp
@@ -55,7 +55,7 @@ namespace {
     constexpr const char *PARAM_KEY_OS_TYPE = "OS_TYPE";
 }
 
-uint64_t GetCurrentTime()
+int64_t GetCurrentTime()
 {
     struct timeval tv {
         0