diff --git a/test/unittest/file_uri_native/file_uri_test.cpp b/test/unittest/file_uri_native/file_uri_test.cpp
index 6da553a986e1a251b3f39d273cfd32b8cae23381..3201a5308d163ee9049810f91c617e6b4b43faee 100644
--- a/test/unittest/file_uri_native/file_uri_test.cpp
+++ b/test/unittest/file_uri_native/file_uri_test.cpp
@@ -31,7 +31,10 @@ using namespace std;
 using namespace OHOS::Security::AccessToken;
 using namespace OHOS::AppFileService;
 
-const string bundleA = "com.ohos.systemui";
+namespace {
+    const string bundleA = "com.ohos.systemui";
+}
+
 string CommonFunc::GetSelfBundleName()
 {
     return bundleA;