diff --git a/frameworks/graphic_timer.cpp b/frameworks/graphic_timer.cpp
old mode 100644
new mode 100755
index 0023823..5ee3ae7
--- a/frameworks/graphic_timer.cpp
+++ b/frameworks/graphic_timer.cpp
@@ -22,14 +22,17 @@
 #include <cerrno>
 #include <csignal>
 #include <cstring>
+#include "securec.h"
 #endif
 
 namespace {
-#ifndef _WIN32
+#ifdef _WIN32
+constexpr int32_t HUNDRED_NS_PER_MS = 10000;
+#elif defined(_LITEOS)
+#else
 constexpr int16_t MS_PER_SECOND = 1000;
 constexpr int32_t NS_PER_MS = 1000000;
 #endif
-constexpr int32_t HUNDRED_NS_PER_MS = 10000;
 } // namespace
 
 namespace OHOS {
@@ -212,7 +215,8 @@ GraphicTimer::GraphicTimer(int32_t periodMs, GraphicTimerCb cb, void* arg, bool
         return;
     }
 
-    struct sigevent sev = {0};
+    struct sigevent sev;
+    (void)memset_s(&sev, sizeof(sev), 0, sizeof(sev));
     sev.sigev_notify = SIGEV_THREAD;
     sev.sigev_notify_function = TimerCallback;
     sev.sigev_value.sival_ptr = this;