diff --git a/multimedia/audio/audio_js_standard/audioManager/src/main/java/ohos/acts/multimedia/audio/audioplayer/MyApplication.java b/multimedia/audio/audio_js_standard/audioManager/src/main/java/ohos/acts/multimedia/audio/audioplayer/MyApplication.java
deleted file mode 100644
index a735d0a33e16bdb4ae0194d12fb865e64207b88e..0000000000000000000000000000000000000000
--- a/multimedia/audio/audio_js_standard/audioManager/src/main/java/ohos/acts/multimedia/audio/audioplayer/MyApplication.java
+++ /dev/null
@@ -1,29 +0,0 @@
-/*
- * Copyright (C) 2021 Huawei Device Co., Ltd.
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *     http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
- package ohos.acts.multimedia.audio.audioplayer;
-
- import ohos.aafwk.ability.AbilityPackage;
-
-/*
- * java MyApplication
- */
-
- public class MyApplication extends AbilityPackage {
-    @Override
-    public void onInitialize() {
-        super.onInitialize();
-    }
- }
diff --git a/multimedia/audio/audio_js_standard/audioManager/src/main/js/test/AudioFramework.test.js b/multimedia/audio/audio_js_standard/audioManager/src/main/js/test/AudioFramework.test.js
index 1dbf2799c209245b67debab74b443eba32cc1b07..5f18bbd47857814112c9b6c872a497796b247392 100755
--- a/multimedia/audio/audio_js_standard/audioManager/src/main/js/test/AudioFramework.test.js
+++ b/multimedia/audio/audio_js_standard/audioManager/src/main/js/test/AudioFramework.test.js
@@ -4427,4 +4427,19 @@ describe('audioManager', function () {
         done();
     })
 
+     /* *
+             * @tc.number    : SUB_AUDIO_MANAGER_interrupt_010
+             * @tc.name      : DeviceType - BLUETOOTH_SCO
+             * @tc.desc      : DeviceType - BLUETOOTH_SCO
+             * @tc.size      : MEDIUM
+             * @tc.type      : Function
+             * @tc.level     : Level 0
+         */
+     it('SUB_AUDIO_MANAGER_DeviceType_001', 0, async function (done) {
+        console.info('audio.DeviceType.BLUETOOTH_SCO :'+ JSON.stringify(audio.DeviceType.BLUETOOTH_SCO));
+        expect(audio.DeviceType.BLUETOOTH_SCO).assertEqual(7);
+        await sleep(50);
+        done();
+    })
+
 })
\ No newline at end of file