diff --git a/test/fuzztest/distributedinputsourcetransport_fuzzer/distributed_input_source_transport_fuzzer.cpp b/test/fuzztest/distributedinputsourcetransport_fuzzer/distributed_input_source_transport_fuzzer.cpp
index 170e099..1fe5f7d 100644
--- a/test/fuzztest/distributedinputsourcetransport_fuzzer/distributed_input_source_transport_fuzzer.cpp
+++ b/test/fuzztest/distributedinputsourcetransport_fuzzer/distributed_input_source_transport_fuzzer.cpp
@@ -29,9 +29,6 @@
 
 namespace OHOS {
 namespace DistributedHardware {
-namespace {
-    const uint32_t SLEEP_TIME_US = 100 * 1000;
-}
 void OpenInputSoftbusFuzzTest(const uint8_t* data, size_t size)
 {
     if ((data == nullptr) || (size <= 0)) {
@@ -40,7 +37,8 @@ void OpenInputSoftbusFuzzTest(const uint8_t* data, size_t size)
 
     std::string remoteDevId(reinterpret_cast<const char*>(data), size);
 
-    usleep(SLEEP_TIME_US);
+    const uint32_t sleepTimeUs = 100 * 1000;
+    usleep(sleepTimeUs);
     DistributedInput::DistributedInputSourceTransport::GetInstance().OpenInputSoftbus(remoteDevId);
     DistributedInput::DistributedInputSourceTransport::GetInstance().CloseInputSoftbus(remoteDevId);
 }
diff --git a/utils/src/dinput_utils_tool.cpp b/utils/src/dinput_utils_tool.cpp
index 5fb582f..5f3ce52 100644
--- a/utils/src/dinput_utils_tool.cpp
+++ b/utils/src/dinput_utils_tool.cpp
@@ -33,7 +33,6 @@ namespace OHOS {
 namespace DistributedHardware {
 namespace DistributedInput {
 namespace {
-    constexpr int32_t US_ONE_SECOND = 1000 * 1000;
     const char *const DESCRIPTOR = "descriptor";
 }
 
@@ -64,9 +63,10 @@ std::string GetLocalNetworkId()
 
 uint64_t GetCurrentTime()
 {
+    constexpr int32_t usOneSecond = 1000 * 1000;
     struct timeval tv;
     gettimeofday(&tv, nullptr);
-    return tv.tv_sec * US_ONE_SECOND + tv.tv_usec;
+    return tv.tv_sec * usOneSecond + tv.tv_usec;
 }
 
 std::string SetAnonyId(const std::string &message)