diff --git a/frameworks/js/napi/vibrator/src/vibrator_js.cpp b/frameworks/js/napi/vibrator/src/vibrator_js.cpp
index bcec8e5fb619c7c9f353e0be1304fb3d373ef6af..0e678f9356d51b4a20ba2433f9de4d6ca397aaba 100644
--- a/frameworks/js/napi/vibrator/src/vibrator_js.cpp
+++ b/frameworks/js/napi/vibrator/src/vibrator_js.cpp
@@ -273,7 +273,7 @@ static bool ParseVibrateEvent(napi_env env, napi_value eventArray, int32_t index
         uint32_t pointsLength = 0;
         CHKCF((napi_get_array_length(env, pointsArray, &pointsLength) == napi_ok),
             "napi_get_array_length pointsArray fail");
-        event.pointNum = pointsLength;
+        event.pointNum = static_cast<int32_t>(pointsLength);
         if (pointsLength > 0) {
             if (!ParseVibratorCurvePointArray(env, pointsArray, pointsLength, event)) {
                 MISC_HILOGE("ParseVibratorCurvePointArray failed");
@@ -296,7 +296,7 @@ static bool ParseVibratorPattern(napi_env env, napi_value args[], VibrateInfo &i
     CHKCF(IsMatchArrayType(env, eventArray), "Wrong argument type, Napi array expected");
     uint32_t length = 0;
     CHKCF((napi_get_array_length(env, eventArray, &length) == napi_ok), "napi_get_array_length fail");
-    info.vibratorPattern.eventNum = length;
+    info.vibratorPattern.eventNum = static_cast<int32_t>(length);
     if (length <= 0 || length > EVENT_NUM_MAX) {
         MISC_HILOGE("length should not be less than or equal to 0 or greater than EVENT_NUM_MAX");
         return false;
diff --git a/frameworks/native/vibrator/src/vibrator_service_client.cpp b/frameworks/native/vibrator/src/vibrator_service_client.cpp
index 455efce4f543b91b900a3f50017d00e394fd34b9..ab9b01b8f0d623ceea59eb41cd40e11161208ab8 100644
--- a/frameworks/native/vibrator/src/vibrator_service_client.cpp
+++ b/frameworks/native/vibrator/src/vibrator_service_client.cpp
@@ -609,7 +609,7 @@ void VibratorServiceClient::ConvertSeekVibratorPackage(const VibratorPackage &co
             vibrateEvent.intensity = completePackage.patterns[i].events[j].intensity;
             vibrateEvent.frequency = completePackage.patterns[i].events[j].frequency;
             vibrateEvent.index = completePackage.patterns[i].events[j].index;
-            for (size_t k = 0; k < completePackage.patterns[i].events[j].pointNum; ++k) {
+            for (size_t k = 0; k < static_cast<uint32_t>(completePackage.patterns[i].events[j].pointNum); ++k) {
                 VibrateCurvePoint vibrateCurvePoint = {};
                 vibrateCurvePoint.time = completePackage.patterns[i].events[j].points[k].time;
                 vibrateCurvePoint.intensity = completePackage.patterns[i].events[j].points[k].intensity;
@@ -639,7 +639,7 @@ void VibratorServiceClient::ConvertVibratorPattern(const VibratorPattern &vibrat
         vibrateEvent.intensity = vibratorPattern.events[j].intensity;
         vibrateEvent.frequency = vibratorPattern.events[j].frequency;
         vibrateEvent.index = vibratorPattern.events[j].index;
-        for (size_t k = 0; k < vibratorPattern.events[j].pointNum; ++k) {
+        for (size_t k = 0; k < static_cast<uint32_t>(vibratorPattern.events[j].pointNum); ++k) {
             VibrateCurvePoint vibrateCurvePoint = {};
             vibrateCurvePoint.time = vibratorPattern.events[j].points[k].time;
             vibrateCurvePoint.intensity = vibratorPattern.events[j].points[k].intensity;