diff --git a/ecmascript/dfx/hprof/rawheap_translate/rawheap_translate.cpp b/ecmascript/dfx/hprof/rawheap_translate/rawheap_translate.cpp
index 5ddf6dabe384a59d143b05bb15d5bf5d56ac97b8..d8b4e96923c76fffa4c4e1d739cd23c983411ab2 100644
--- a/ecmascript/dfx/hprof/rawheap_translate/rawheap_translate.cpp
+++ b/ecmascript/dfx/hprof/rawheap_translate/rawheap_translate.cpp
@@ -766,8 +766,8 @@ void RawHeapTranslateV2::BuildFieldEdges(Node *node, std::vector<Node *> &refs)
     }
 
     for (auto &field : meta->fields) {
-        int index = field.offset / sizeof(uint64_t) - 1;
-        if (index < 0 || static_cast<size_t>(index) >= refs.size()) {
+        size_t index = field.offset / sizeof(uint64_t) - 1;
+        if (index >= refs.size()) {
             continue;
         }