diff --git a/distributeddatamgr/preferencesjstest/hap/src/main/js/test/PreferencesSyncJsunit.test.js b/distributeddatamgr/preferencesjstest/hap/src/main/js/test/PreferencesSyncJsunit.test.js
index aeb4ed39548b0c31b716b8d2bbfe81e57a44d123..3e9fe9ff810efef42b722afbf1123c0a45d48a34 100644
--- a/distributeddatamgr/preferencesjstest/hap/src/main/js/test/PreferencesSyncJsunit.test.js
+++ b/distributeddatamgr/preferencesjstest/hap/src/main/js/test/PreferencesSyncJsunit.test.js
@@ -396,7 +396,7 @@ export default function PreferencesSyncTest() {
                     expect().assertFail();
                 }
                 console.log("flush done.");
-                await dataPreferences.removePreferencesFromCacheSync(context, NAME);
+                await mPreferences.removePreferencesFromCacheSync(context, NAME);
                 let value = mPreferences.getSync(KEY_TEST_STRING_ELEMENT, "defaultvalue")
                 console.log("SUB_DDM_Preferences_removePreferencesFromCacheSync_0100 end." + value);
                 expect('test').assertEqual(value);