diff --git a/ecmascript/class_linker/panda_file_translator.cpp b/ecmascript/class_linker/panda_file_translator.cpp
index 1bed3ea3f5db40312262e0db9849e01a56358c79..3d15a2348f3e7d00df4fa603ed4be603e54c4526 100644
--- a/ecmascript/class_linker/panda_file_translator.cpp
+++ b/ecmascript/class_linker/panda_file_translator.cpp
@@ -144,7 +144,8 @@ Program *PandaFileTranslator::GenerateProgram(const panda_file::File &pf)
         if (value.GetConstpoolType() == ConstPoolType::STRING) {
             panda_file::File::EntityId id(it.first);
             auto foundStr = pf.GetStringData(id);
-            auto string = factory_->GetRawStringFromStringTable(foundStr.data, foundStr.utf16_length);
+            auto string = factory_->GetRawStringFromStringTable(foundStr.data,
+                                                                foundStr.utf16_length, foundStr.is_ascii);
             constpool->Set(thread_, value.GetConstpoolIndex(), JSTaggedValue(string));
         } else if (value.GetConstpoolType() == ConstPoolType::BASE_FUNCTION) {
             ASSERT(mainMethodIndex_ != it.first);
diff --git a/ecmascript/literal_data_extractor.cpp b/ecmascript/literal_data_extractor.cpp
index d69fb147fbe737c2f48e9b3116aa03e587045a8c..15fb9bd39cd21d3190f534d496dfed77e9e984a4 100644
--- a/ecmascript/literal_data_extractor.cpp
+++ b/ecmascript/literal_data_extractor.cpp
@@ -45,8 +45,8 @@ void LiteralDataExtractor::ExtractObjectDatas(JSThread *thread, const panda_file
     uint32_t methodId;
     FunctionKind kind;
     lda.EnumerateLiteralVals(
-        index, [elements, properties, &epos, &ppos, factory, thread, pft, &methodId, &kind](const LiteralValue &value,
-                                                                                            const LiteralTag &tag) {
+        index, [elements, properties, &epos, &ppos, factory, thread, pft, pf, &methodId, &kind]
+        (const LiteralValue &value, const LiteralTag &tag) {
         JSTaggedValue jt = JSTaggedValue::Null();
         bool flag = false;
         switch (tag) {
@@ -63,8 +63,8 @@ void LiteralDataExtractor::ExtractObjectDatas(JSThread *thread, const panda_file
                 break;
             }
             case LiteralTag::STRING: {
-                StringData sd = std::get<StringData>(value);
-                EcmaString *str = factory->GetRawStringFromStringTable(sd.data, sd.utf16_length);
+                StringData sd = pf->GetStringData(panda_file::File::EntityId(std::get<uint32_t>(value)));
+                EcmaString *str = factory->GetRawStringFromStringTable(sd.data, sd.utf16_length, sd.is_ascii);
                 jt = JSTaggedValue(str);
                 uint32_t index = 0;
                 if (JSTaggedValue::ToElementIndex(jt, &index) && ppos % pairSize == 0) {
@@ -129,9 +129,8 @@ JSHandle<TaggedArray> LiteralDataExtractor::GetDatasIgnoreType(JSThread *thread,
     uint32_t methodId;
     FunctionKind kind;
     lda.EnumerateLiteralVals(
-        index, [literals, &pos, factory, thread, pft,
-                &methodId, &kind](const panda_file::LiteralDataAccessor::LiteralValue &value,
-                                  const LiteralTag &tag) {
+        index, [literals, &pos, factory, thread, pft, pf, &methodId, &kind]
+        (const panda_file::LiteralDataAccessor::LiteralValue &value, const LiteralTag &tag) {
             JSTaggedValue jt = JSTaggedValue::Null();
             switch (tag) {
                 case LiteralTag::INTEGER: {
@@ -147,8 +146,8 @@ JSHandle<TaggedArray> LiteralDataExtractor::GetDatasIgnoreType(JSThread *thread,
                     break;
                 }
                 case LiteralTag::STRING: {
-                    StringData sd = std::get<StringData>(value);
-                    EcmaString *str = factory->GetRawStringFromStringTable(sd.data, sd.utf16_length);
+                    StringData sd = pf->GetStringData(panda_file::File::EntityId(std::get<uint32_t>(value)));
+                    EcmaString *str = factory->GetRawStringFromStringTable(sd.data, sd.utf16_length, sd.is_ascii);
                     jt = JSTaggedValue(str);
                     break;
                 }
diff --git a/ecmascript/object_factory.cpp b/ecmascript/object_factory.cpp
index 0e4ed0a3000e3f2b8c446f60f5d208e1ccacdf1c..8b136d3f764206c02c063d7292e431e2b2664832 100644
--- a/ecmascript/object_factory.cpp
+++ b/ecmascript/object_factory.cpp
@@ -1728,13 +1728,14 @@ JSHandle<EcmaString> ObjectFactory::GetStringFromStringTable(EcmaString *string)
 }
 
 // NB! don't do special case for C0 80, it means '\u0000', so don't convert to UTF-8
-EcmaString *ObjectFactory::GetRawStringFromStringTable(const uint8_t *mutf8Data, uint32_t utf16Len) const
+EcmaString *ObjectFactory::GetRawStringFromStringTable(const uint8_t *mutf8Data,
+                                                       uint32_t utf16Len, bool canBeCompressed) const
 {
     if (UNLIKELY(utf16Len == 0)) {
         return *GetEmptyString();
     }
 
-    if (utf::IsMUtf8OnlySingleBytes(mutf8Data)) {
+    if (canBeCompressed) {
         return EcmaString::Cast(vm_->GetEcmaStringTable()->GetOrInternString(mutf8Data, utf16Len, true));
     }
 
@@ -2102,7 +2103,7 @@ EcmaString *ObjectFactory::ResolveString(uint32_t stringId)
     auto id = panda_file::File::EntityId(stringId);
     auto foundStr = pf->GetStringData(id);
 
-    return GetRawStringFromStringTable(foundStr.data, foundStr.utf16_length);
+    return GetRawStringFromStringTable(foundStr.data, foundStr.utf16_length, foundStr.is_ascii);
 }
 
 uintptr_t ObjectFactory::NewSpaceBySnapShotAllocator(size_t size)
diff --git a/ecmascript/object_factory.h b/ecmascript/object_factory.h
index 3c9426247ae017f3f312994e8593b735c62ed278..c4912c5e920f2883cdb4878699a2919ec7d9307b 100644
--- a/ecmascript/object_factory.h
+++ b/ecmascript/object_factory.h
@@ -447,7 +447,7 @@ private:
 
     JSHandle<EcmaString> GetStringFromStringTable(const uint8_t *utf8Data, uint32_t utf8Len, bool canBeCompress) const;
     // For MUtf-8 string data
-    EcmaString *GetRawStringFromStringTable(const uint8_t *mutf8Data, uint32_t utf16Len) const;
+    EcmaString *GetRawStringFromStringTable(const uint8_t *mutf8Data, uint32_t utf16Len, bool canBeCompressed) const;
 
     JSHandle<EcmaString> GetStringFromStringTable(const uint16_t *utf16Data, uint32_t utf16Len,
                                                   bool canBeCompress) const;