diff --git a/runtime/js_date_time_format.cpp b/runtime/js_date_time_format.cpp
index 425243b65c0ef025fb1fb22f4fc5097f1f8236d6..08b1335df82249ed070a20a4c838ea5fea57f42a 100644
--- a/runtime/js_date_time_format.cpp
+++ b/runtime/js_date_time_format.cpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2021-2022 Huawei Device Co., Ltd.
+ * Copyright (c) 2021-2024 Huawei Device Co., Ltd.
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
  * You may obtain a copy of the License at
@@ -824,8 +824,8 @@ void JSDateTimeFormat::ResolvedOptions(JSThread *thread, const JSHandle<JSDateTi
     icu::UnicodeString canonicalTimezone;
     icu::TimeZone::getCanonicalID(timezone, canonicalTimezone, status);
     if (U_SUCCESS(status) != 0) {
-        if ((canonicalTimezone == UNICODE_STRING_SIMPLE("Etc/UTC")) != 0 ||
-            (canonicalTimezone == UNICODE_STRING_SIMPLE("Etc/GMT")) != 0) {
+        if (static_cast<int>(canonicalTimezone == UNICODE_STRING_SIMPLE("Etc/UTC")) != 0 ||
+            static_cast<int>(canonicalTimezone == UNICODE_STRING_SIMPLE("Etc/GMT")) != 0) {
             timezoneValue.Update(globalConst->GetUTCString());
         } else {
             timezoneValue.Update(JSLocale::IcuToString(thread, canonicalTimezone).GetTaggedValue());
diff --git a/runtime/js_locale.cpp b/runtime/js_locale.cpp
index 4a9debeb6c510126e645c4b865528d1efccdd5ef..98c6de8d09607509ce3751a2242a464059b39473 100644
--- a/runtime/js_locale.cpp
+++ b/runtime/js_locale.cpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2021-2022 Huawei Device Co., Ltd.
+ * Copyright (c) 2021-2024 Huawei Device Co., Ltd.
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
  * You may obtain a copy of the License at
@@ -113,7 +113,7 @@ bool JSLocale::IsValidTimeZoneName(const icu::TimeZone &tz)
     tz.getID(id);
     icu::UnicodeString canonical;
     icu::TimeZone::getCanonicalID(id, canonical, status);
-    UBool canonicalFlag = (canonical != icu::UnicodeString("Etc/Unknown", -1, US_INV));
+    UBool canonicalFlag = static_cast<UBool>(canonical != icu::UnicodeString("Etc/Unknown", -1, US_INV));
     return (U_SUCCESS(status) != 0) && (canonicalFlag != 0);
 }