diff --git a/interfaces/test/unittest/js/mod_fs/properties/unlink_core_mock_test.cpp b/interfaces/test/unittest/js/mod_fs/properties/unlink_core_mock_test.cpp
index d6103bee95cadbf641323bf2985162605a25b668..fcd294b5f4beadc8f37eeafb3e1e4120b5a8a737 100644
--- a/interfaces/test/unittest/js/mod_fs/properties/unlink_core_mock_test.cpp
+++ b/interfaces/test/unittest/js/mod_fs/properties/unlink_core_mock_test.cpp
@@ -42,7 +42,7 @@ void UnlinkCoreMockTest::SetUpTestCase(void)
 {
     GTEST_LOG_(INFO) << "SetUpTestCase";
     tempFilePath = filesystem::temp_directory_path() / "unlink_test_file.txt";
-    ofstream(tempFilePath) << "Test content\n123\n456";
+    ofstream(tempFilePath) << "unlink_test_file";
     uvMock = std::make_shared<UvfsMock>();
     Uvfs::ins = uvMock;
 }