diff --git a/src/inspector/inspector_socket.cpp b/src/inspector/inspector_socket.cpp
index 4ff0b93dcf0c3cd618844bf824828356c2c9c0e8..71b8d6ac1c272b17fa4fbe1b47aa4345028e6291 100644
--- a/src/inspector/inspector_socket.cpp
+++ b/src/inspector/inspector_socket.cpp
@@ -775,6 +775,7 @@ void TcpHolder::DisconnectAndDispose(TcpHolder* holder)
 void TcpHolder::ReclaimUvBuf(const uv_buf_t* buf, ssize_t read)
 {
     if (read > 0) {
+        DCHECK(read <= buf.len);
         // insert buffer
         buffer.insert(buffer.end(), buf->base, buf->base + read);
     }
diff --git a/src/js_native_api_v8.cpp b/src/js_native_api_v8.cpp
index 436ba47eed9336082a6fe2d02a30624e18db6e67..e63ecc66d819e9380fd3bdce179426cf3b5751af 100644
--- a/src/js_native_api_v8.cpp
+++ b/src/js_native_api_v8.cpp
@@ -1072,7 +1072,8 @@ JSVM_Status OH_JSVM_CreateVM(const JSVM_CreateVMOptions* options, JSVM_VM* resul
     OHOS_CALL(platform::ohos::ReportKeyThread(platform::ohos::ThreadRole::USER_INTERACT));
 
     v8::Isolate::CreateParams createParams;
-    auto externalReferences = v8impl::externalReferenceRegistry.data();
+    auto externalReferences =
+        v8impl::externalReferenceRegistry.empty() ? nullptr : v8impl::externalReferenceRegistry.data();
     createParams.external_references = externalReferences;
 
     v8::StartupData* snapshotBlob = nullptr;