diff --git a/base/src/parcel.cpp b/base/src/parcel.cpp
index 1dfe9311cf8100a0406f9d4a82731b06ce7fb432..f8f7c1f9dd9513aac3a5e9720fbb44652fa5d7c1 100644
--- a/base/src/parcel.cpp
+++ b/base/src/parcel.cpp
@@ -1013,11 +1013,14 @@ const std::u16string Parcel::ReadString16()
     int32_t dataLength = 0;
     size_t oldCursor = readCursor_;
 
-    if (!Read<int32_t>(dataLength) || dataLength < 0) {
+    if (!Read<int32_t>(dataLength) || dataLength < 0 || dataLength >= 2147483647) {
+        UTILS_LOGE("return dataLength %{public}d, %{public}p", dataLength, &dataLength);
         return std::u16string();
     }
 
+    UTILS_LOGE("continue dataLength %{public}d, %{public}p", dataLength, &dataLength);
     size_t readCapacity = (static_cast<size_t>(dataLength) + 1) * sizeof(char16_t);
+    UTILS_LOGE("done readCapacity %{public}zu, %{public}p", readCapacity, &readCapacity);
     if ((readCapacity > (static_cast<size_t>(dataLength))) && (readCapacity <= GetReadableBytes())) {
         const uint8_t *str = ReadBuffer(readCapacity);
         if (str != nullptr) {