diff --git a/frameworks/ans/src/notification_local_live_view_content.cpp b/frameworks/ans/src/notification_local_live_view_content.cpp
index a5c234dc17e7fa15f202396ff45c8449e72b1251..2fb6d2ed134f1102534461d6b8f31ec131c8df6f 100644
--- a/frameworks/ans/src/notification_local_live_view_content.cpp
+++ b/frameworks/ans/src/notification_local_live_view_content.cpp
@@ -369,7 +369,7 @@ bool NotificationLocalLiveViewContent::ReadFromParcel(Parcel &parcel)
     delete pButton;
     pButton = nullptr;
 
-    auto vsize = static_cast<int32_t>(parcel.ReadInt32());
+    auto vsize = static_cast<uint32_t>(parcel.ReadInt32());
     vsize = (vsize < BUTTON_MAX_SIZE) ? vsize : BUTTON_MAX_SIZE;
     card_button_.clear();
     for (uint32_t i = 0; i < vsize; ++i) {