diff --git a/test/fuzztest/bufferrefnew_fuzzer/bufferrefnew_fuzzer.cpp b/test/fuzztest/bufferrefnew_fuzzer/bufferrefnew_fuzzer.cpp
index 75c7af9f733391ff9b397078133defbe76caab46..16d0d6e09e4c822932ff403d3b642d19ce3e7d5d 100644
--- a/test/fuzztest/bufferrefnew_fuzzer/bufferrefnew_fuzzer.cpp
+++ b/test/fuzztest/bufferrefnew_fuzzer/bufferrefnew_fuzzer.cpp
@@ -21,7 +21,7 @@ using namespace panda;
 using namespace panda::ecmascript;
 
 namespace OHOS {
-void BufferRefNewFuzzTest([[maybe_unused]]const uint8_t *data, size_t size)
+void BufferRefNewFuzzTest(const uint8_t *data, size_t size)
 {
     RuntimeOption option;
     option.SetLogLevel(common::LOG_LEVEL::ERROR);
@@ -30,7 +30,8 @@ void BufferRefNewFuzzTest([[maybe_unused]]const uint8_t *data, size_t size)
         LOG_ECMA(ERROR) << "illegal input!";
         return;
     }
-    BufferRef::New(vm, (int32_t)size);
+    NativePointerCallback deleter = nullptr;
+    BufferRef::New(vm, (void *)data, (int32_t)size, deleter, nullptr);
     JSNApi::DestroyJSVM(vm);
 }
 
diff --git a/test/fuzztest/copyableglobalsetandclearweak_fuzzer/copyableglobalsetandclearweak_fuzzer.cpp b/test/fuzztest/copyableglobalsetandclearweak_fuzzer/copyableglobalsetandclearweak_fuzzer.cpp
index da0eef103d6c09d2dff22529e713f7de39dbce97..05735046fedc1791ce00c42878834d6ddecdbe2c 100644
--- a/test/fuzztest/copyableglobalsetandclearweak_fuzzer/copyableglobalsetandclearweak_fuzzer.cpp
+++ b/test/fuzztest/copyableglobalsetandclearweak_fuzzer/copyableglobalsetandclearweak_fuzzer.cpp
@@ -36,7 +36,7 @@ void CopyableGlobalSetandClearWeakFuzzTest(const uint8_t *data, size_t size)
             LOG_ECMA(ERROR) << "Parameter out of range.";
             return;
         }
-        Local <StringRef>str = StringRef::NewFromUtf8(vm, (const char *)data);
+        Local <StringRef>str = StringRef::NewFromUtf8(vm, (const char *)data, (int)size);
         Global<ObjectRef> globalObject(vm, str);
         globalObject.SetWeak();
         globalObject.ClearWeak();
diff --git a/test/fuzztest/functionrefisnative_fuzzer/functionrefisnative_fuzzer.cpp b/test/fuzztest/functionrefisnative_fuzzer/functionrefisnative_fuzzer.cpp
index 162a116726ee64fa930f601f4452ce6f61f9ac44..c732d2eca6f889418f041c6cdf7569cd18a94ca7 100644
--- a/test/fuzztest/functionrefisnative_fuzzer/functionrefisnative_fuzzer.cpp
+++ b/test/fuzztest/functionrefisnative_fuzzer/functionrefisnative_fuzzer.cpp
@@ -27,7 +27,7 @@ Local<JSValueRef> FuncRefConCallbackForTest(JsiRuntimeCallInfo *info)
     return scope.Escape(ArrayRef::New(info->GetVM(), info->GetArgsNumber()));
 }
 
-void FunctionRefIsNativeFuzzTest([[maybe_unused]]const uint8_t *data, size_t size)
+void FunctionRefIsNativeFuzzTest(const uint8_t *data, size_t size)
 {
     RuntimeOption option;
     option.SetLogLevel(common::LOG_LEVEL::ERROR);
diff --git a/test/fuzztest/jsnapiisarrayiterator_fuzzer/jsnapiisarrayiterator_fuzzer.cpp b/test/fuzztest/jsnapiisarrayiterator_fuzzer/jsnapiisarrayiterator_fuzzer.cpp
index e4e84b2dde2ec413b34633779f9e25bc4f0675d1..579e7655b7127bd23b0331c3d013af55fe3069e1 100644
--- a/test/fuzztest/jsnapiisarrayiterator_fuzzer/jsnapiisarrayiterator_fuzzer.cpp
+++ b/test/fuzztest/jsnapiisarrayiterator_fuzzer/jsnapiisarrayiterator_fuzzer.cpp
@@ -30,7 +30,7 @@ void JSNApiIsArrayIterator_FuzzTest(const uint8_t *data, size_t size)
         LOG_ECMA(ERROR) << "illegal input!";
         return;
     }
-    Local <StringRef>str = StringRef::NewFromUtf8(vm_, (const char *)data);
+    Local <StringRef>str = StringRef::NewFromUtf8(vm_, (const char *)data, (int)size);
     str->IsArrayIterator(vm_);
     JSNApi::DestroyJSVM(vm_);
 }
diff --git a/test/fuzztest/jsnapiisfalse_fuzzer/jsnapiisfalse_fuzzer.cpp b/test/fuzztest/jsnapiisfalse_fuzzer/jsnapiisfalse_fuzzer.cpp
index bcbf9d314a3de84092d902b01b8a40498bfdff29..8eb77650608c489a71bf3b70bd88a9f79773d206 100644
--- a/test/fuzztest/jsnapiisfalse_fuzzer/jsnapiisfalse_fuzzer.cpp
+++ b/test/fuzztest/jsnapiisfalse_fuzzer/jsnapiisfalse_fuzzer.cpp
@@ -33,7 +33,7 @@ void JSNApiIsFalseFuzzTest([[maybe_unused]]const uint8_t *data, size_t size)
     }
     Local<JSValueRef> b = JSValueRef::False(vm_);
     b->IsFalse();
-    Local <StringRef>str = StringRef::NewFromUtf8(vm_, (const char *)data);
+    Local <StringRef>str = StringRef::NewFromUtf8(vm_, (const char *)data, (int)size);
     str->IsFalse();
     JSNApi::DestroyJSVM(vm_);
 }
diff --git a/test/fuzztest/jsnapiistrue_fuzzer/jsnapiistrue_fuzzer.cpp b/test/fuzztest/jsnapiistrue_fuzzer/jsnapiistrue_fuzzer.cpp
index 25838f40abae3da3fd7706f24e14e66497affc1c..4772d27273a0772714358c189372a27201dbf97a 100644
--- a/test/fuzztest/jsnapiistrue_fuzzer/jsnapiistrue_fuzzer.cpp
+++ b/test/fuzztest/jsnapiistrue_fuzzer/jsnapiistrue_fuzzer.cpp
@@ -33,7 +33,7 @@ void JSNApiIsTrueFuzzTest([[maybe_unused]]const uint8_t *data, size_t size)
     }
     Local<JSValueRef> b = JSValueRef::True(vm_);
     b->IsTrue();
-    Local <StringRef>str = StringRef::NewFromUtf8(vm_, (const char *)data);
+    Local <StringRef>str = StringRef::NewFromUtf8(vm_, (const char *)data, (int)size);
     str->IsTrue();
     JSNApi::DestroyJSVM(vm_);
 }
diff --git a/test/fuzztest/jsnapiset_fuzzer/jsnapiset_fuzzer.cpp b/test/fuzztest/jsnapiset_fuzzer/jsnapiset_fuzzer.cpp
index 709c366cadb88b4c513fda8bbef3f58ed82101a3..3e7cf21a847819e1133e01c0e451b0971e227d1b 100644
--- a/test/fuzztest/jsnapiset_fuzzer/jsnapiset_fuzzer.cpp
+++ b/test/fuzztest/jsnapiset_fuzzer/jsnapiset_fuzzer.cpp
@@ -23,7 +23,7 @@ using namespace panda;
 using namespace panda::ecmascript;
 
 namespace OHOS {
-void JSNApiSetAssetPathFuzzTest([[maybe_unused]]const uint8_t *data, size_t size)
+void JSNApiSetAssetPathFuzzTest(const uint8_t *data, size_t size)
 {
     RuntimeOption option;
     option.SetLogLevel(common::LOG_LEVEL::ERROR);
@@ -75,7 +75,7 @@ void JSNApiSetMockModuleListFuzzTest(const uint8_t *data, size_t size)
     if (size <= 0) {
         return;
     }
-    std::map<std::string, std::string> str = { { (char *)data, "20" } };
+    std::map<std::string, std::string> str = { { std::string((char *)data, size), "20" } };
     JSNApi::SetMockModuleList(vm, str);
     JSNApi::DestroyJSVM(vm);
 }
diff --git a/test/fuzztest/jsnapivalue_fuzzer/jsnapivalue_fuzzer.cpp b/test/fuzztest/jsnapivalue_fuzzer/jsnapivalue_fuzzer.cpp
index a8caa9c111de3c09eefa297c7c1caeea8fe46360..f43546c2b6f541062646903ed67cf38cf76fd76e 100644
--- a/test/fuzztest/jsnapivalue_fuzzer/jsnapivalue_fuzzer.cpp
+++ b/test/fuzztest/jsnapivalue_fuzzer/jsnapivalue_fuzzer.cpp
@@ -22,7 +22,7 @@
 using namespace panda;
 using namespace panda::ecmascript;
 namespace OHOS {
-void JSNApiValueFuzzTest([[maybe_unused]]const uint8_t *data, size_t size)
+void JSNApiValueFuzzTest(const uint8_t *data, size_t size)
 {
     RuntimeOption option;
     option.SetLogLevel(common::LOG_LEVEL::ERROR);
@@ -32,8 +32,7 @@ void JSNApiValueFuzzTest([[maybe_unused]]const uint8_t *data, size_t size)
         return;
     }
     void *vps = static_cast<void *>(const_cast<uint8_t *>(data));
-    void *vps1 = static_cast<void *>(const_cast<uint8_t *>(data));
-    Local<NativePointerRef> res_vps = NativePointerRef::New(vm_, vps, NativeAreaAllocator::FreeBufferFunc, vps1, 0);
+    Local<NativePointerRef> res_vps = NativePointerRef::New(vm_, vps, nullptr, nullptr, 0);
     res_vps->Value();
     JSNApi::DestroyJSVM(vm_);
 }