diff --git a/MultiDeviceAppDev/MusicAlbum/entry/src/main/ets/common/PlayList.ets b/MultiDeviceAppDev/MusicAlbum/entry/src/main/ets/common/PlayList.ets
index 5e738fcfdfdb6ab9c7b0f0b2a3e7c095f76563cc..6a48820b08dfa16749351cffeef5ed562daf1c7e 100644
--- a/MultiDeviceAppDev/MusicAlbum/entry/src/main/ets/common/PlayList.ets
+++ b/MultiDeviceAppDev/MusicAlbum/entry/src/main/ets/common/PlayList.ets
@@ -13,7 +13,7 @@
  * limitations under the License.
  */
 
-import { songList } from '../model/SongList'
+import { songList, SongListType } from '../model/SongList'
 import MyDataSource from '../model/SongModule'
 
 @Component
@@ -79,7 +79,7 @@ export default struct PlayList {
       this.PlayAll()
       Scroll() {
         List() {
-          LazyForEach(new MyDataSource(songList), item => {
+          LazyForEach(new MyDataSource(songList), (item: SongListType) => {
             ListItem() {
               Column() {
                 this.SongItem(item.title, item.label, item.singer)
@@ -89,7 +89,7 @@ export default struct PlayList {
                   .opacity(0.1)
               }.padding({ left: 14, right: 14 })
             }
-          }, item => item.id)
+          }, (item: SongListType) => item.id.toString())
         }
         .width('100%')
         .height('100%')
diff --git a/MultiDeviceAppDev/MusicAlbum/entry/src/main/ets/common/PlayListCover.ets b/MultiDeviceAppDev/MusicAlbum/entry/src/main/ets/common/PlayListCover.ets
index c99ee0e6f83cab715b7d0628b892ed641f4ea3e1..633b1c7092f615e0a43ff68d638e761b384fd3e7 100644
--- a/MultiDeviceAppDev/MusicAlbum/entry/src/main/ets/common/PlayListCover.ets
+++ b/MultiDeviceAppDev/MusicAlbum/entry/src/main/ets/common/PlayListCover.ets
@@ -13,7 +13,7 @@
  * limitations under the License.
  */
 
-import { optionList } from '../model/SongList'
+import { optionList, OptionListType } from '../model/SongList'
 
 @Component
 export default struct PlayListCover {
@@ -26,8 +26,8 @@ export default struct PlayListCover {
   CoverImage() {
     Stack({ alignContent: Alignment.BottomStart }) {
       Image($r('app.media.pic_album'))
-        .width(this.currentBreakpoint == 'sm'? '120vp' : '170vp')
-        .height(this.currentBreakpoint == 'sm'? '120vp' : '170vp')
+        .width(this.currentBreakpoint == 'sm' ? '120vp' : '170vp')
+        .height(this.currentBreakpoint == 'sm' ? '120vp' : '170vp')
         .borderRadius(8)
         .onAreaChange((oldArea: Area, newArea: Area) => {
           this.imgHeight = newArea.height as number
@@ -71,7 +71,7 @@ export default struct PlayListCover {
   @Builder
   CoverOptions() {
     Flex({ justifyContent: FlexAlign.SpaceBetween }) {
-      ForEach(optionList, item => {
+      ForEach(optionList, (item: OptionListType) => {
         Column({ space: 4 }) {
           Image(item.image).height(30).width(30)
           Text(item.text)
diff --git a/MultiDeviceAppDev/MusicAlbum/entry/src/main/ets/model/MediaData.ets b/MultiDeviceAppDev/MusicAlbum/entry/src/main/ets/model/MediaData.ets
index 67cf961c3ec93a00561ae52975485a8205991502..548b71ec5f81f35fe33a98e466914b7df506bdfb 100644
--- a/MultiDeviceAppDev/MusicAlbum/entry/src/main/ets/model/MediaData.ets
+++ b/MultiDeviceAppDev/MusicAlbum/entry/src/main/ets/model/MediaData.ets
@@ -15,11 +15,15 @@
 
 import mediaQuery from '@ohos.mediaquery'
 
+interface MediaQueryResult {
+  matches: boolean
+}
+
 export default class BreakpointSystem {
   private currentBreakpoint: string = 'md'
-  private smListener: mediaQuery.MediaQueryListener
-  private mdListener: mediaQuery.MediaQueryListener
-  private lgListener: mediaQuery.MediaQueryListener
+  private smListener: mediaQuery.MediaQueryListener = {} as mediaQuery.MediaQueryListener
+  private mdListener: mediaQuery.MediaQueryListener = {} as mediaQuery.MediaQueryListener
+  private lgListener: mediaQuery.MediaQueryListener = {} as mediaQuery.MediaQueryListener
 
   private updateCurrentBreakpoint(breakpoint: string) {
     if (this.currentBreakpoint !== breakpoint) {
@@ -28,21 +32,21 @@ export default class BreakpointSystem {
     }
   }
 
-  private isBreakpointSM = (mediaQueryResult) => {
+  private isBreakpointSM = (mediaQueryResult: MediaQueryResult) => {
     if (mediaQueryResult.matches) {
       this.updateCurrentBreakpoint('sm')
       AppStorage.Set<number>('fontSize', 14)
       AppStorage.Set<number>('coverMargin', 10)
     }
   }
-  private isBreakpointMD = (mediaQueryResult) => {
+  private isBreakpointMD = (mediaQueryResult: MediaQueryResult) => {
     if (mediaQueryResult.matches) {
       this.updateCurrentBreakpoint('md')
       AppStorage.Set<number>('fontSize', 16)
       AppStorage.Set<number>('coverMargin', 30)
     }
   }
-  private isBreakpointLG = (mediaQueryResult) => {
+  private isBreakpointLG = (mediaQueryResult: MediaQueryResult) => {
     if (mediaQueryResult.matches) {
       this.updateCurrentBreakpoint('lg')
       AppStorage.Set<number>('fontSize', 18)
diff --git a/MultiDeviceAppDev/MusicAlbum/entry/src/main/ets/model/SongList.ets b/MultiDeviceAppDev/MusicAlbum/entry/src/main/ets/model/SongList.ets
index 133711c3f41bd63d978501ea0b51f02ca8797338..2fcca3da79b87d56651d9d15c967cf06e5e7d23b 100644
--- a/MultiDeviceAppDev/MusicAlbum/entry/src/main/ets/model/SongList.ets
+++ b/MultiDeviceAppDev/MusicAlbum/entry/src/main/ets/model/SongList.ets
@@ -12,8 +12,19 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+interface SongListType {
+  id: number
+  title: string
+  singer: string
+  label: Resource
+}
 
-const songList = [
+interface OptionListType {
+  image: Resource
+  text: Resource | string
+}
+
+const songList: SongListType[] = [
   { id: 1, title: '不知道', singer: '小碗你好', label: $r('app.media.ic_vip') },
   { id: 2, title: '歌名你好', singer: '张三-你好我好都好', label: $r('app.media.ic_SQ') },
   { id: 3, title: '还是歌名', singer: '不知道你是谁', label: $r('app.media.ic_SQ') },
@@ -39,11 +50,11 @@ const songList = [
   { id: 24, title: '安心安心', singer: '小安安', label: $r('app.media.ic_SQ') },
   { id: 25, title: 'Notebook', singer: '小安安', label: $r('app.media.ic_SQ') }
 ]
-const optionList = [
+const optionList: OptionListType[] = [
   { image: $r('app.media.ic_collect'), text: '999+' },
   { image: $r('app.media.ic_download'), text: $r('app.string.download') },
   { image: $r("app.media.icon_comments"), text: $r('app.string.comment') },
   { image: $r('app.media.icon_share'), text: $r('app.string.share') }
 ]
 
-export { songList, optionList }
\ No newline at end of file
+export { songList, optionList, OptionListType, SongListType }
\ No newline at end of file
diff --git a/MultiDeviceAppDev/MusicAlbum/entry/src/main/ets/model/SongModule.ets b/MultiDeviceAppDev/MusicAlbum/entry/src/main/ets/model/SongModule.ets
index c030c27c43067e84733077e1bd077c83a6c245c4..e627a89d1e4aa0b8879f628846a7843032a6d78b 100644
--- a/MultiDeviceAppDev/MusicAlbum/entry/src/main/ets/model/SongModule.ets
+++ b/MultiDeviceAppDev/MusicAlbum/entry/src/main/ets/model/SongModule.ets
@@ -13,7 +13,7 @@
  * limitations under the License.
  */
 
-type SongItem = {
+interface SongItem {
   id: number,
   title: string,
   singer: string,
diff --git a/MultiDeviceAppDev/MusicAlbum/entry/src/ohosTest/ets/test/Ability.test.ets b/MultiDeviceAppDev/MusicAlbum/entry/src/ohosTest/ets/test/Ability.test.ets
deleted file mode 100644
index 675703dceca9d362fc1c820e2b8968cd7d086002..0000000000000000000000000000000000000000
--- a/MultiDeviceAppDev/MusicAlbum/entry/src/ohosTest/ets/test/Ability.test.ets
+++ /dev/null
@@ -1,51 +0,0 @@
-/*
- * Copyright (c) 2022 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.
- */
-
-import hilog from '@ohos.hilog'
-import { describe, beforeAll, beforeEach, afterEach, afterAll, it, expect } from '@ohos/hypium'
-
-export default function abilityTest() {
-  describe('ActsAbilityTest', function () {
-    // Defines a test suite. Two parameters are supported: test suite name and test suite function.
-    beforeAll(function () {
-      // Presets an action, which is performed only once before all test cases of the test suite start.
-      // This API supports only one parameter: preset action function.
-    })
-    beforeEach(function () {
-      // Presets an action, which is performed before each unit test case starts.
-      // The number of execution times is the same as the number of test cases defined by **it**.
-      // This API supports only one parameter: preset action function.
-    })
-    afterEach(function () {
-      // Presets a clear action, which is performed after each unit test case ends.
-      // The number of execution times is the same as the number of test cases defined by **it**.
-      // This API supports only one parameter: clear action function.
-    })
-    afterAll(function () {
-      // Presets a clear action, which is performed after all test cases of the test suite end.
-      // This API supports only one parameter: clear action function.
-    })
-    it('assertContain', 0, function () {
-      // Defines a test case. This API supports three parameters: test case name, filter parameter, and test case function.
-      hilog.isLoggable(0x0000, 'testTag', hilog.LogLevel.INFO)
-      hilog.info(0x0000, 'testTag', '%{public}s', 'it begin')
-      let a = 'abc'
-      let b = 'b'
-      // Defines a variety of assertion methods, which are used to declare expected boolean conditions.
-      expect(a).assertContain(b)
-      expect(a).assertEqual(a)
-    })
-  })
-}
\ No newline at end of file
diff --git a/MultiDeviceAppDev/MusicAlbum/entry/src/ohosTest/ets/test/List.test.ets b/MultiDeviceAppDev/MusicAlbum/entry/src/ohosTest/ets/test/List.test.ets
deleted file mode 100644
index 7e05ea60952f76d30ba3268f238352215f062110..0000000000000000000000000000000000000000
--- a/MultiDeviceAppDev/MusicAlbum/entry/src/ohosTest/ets/test/List.test.ets
+++ /dev/null
@@ -1,20 +0,0 @@
-/*
- * Copyright (c) 2022 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.
- */
-
-import abilityTest from './Ability.test'
-
-export default function testsuite() {
-  abilityTest()
-}
\ No newline at end of file
diff --git a/MultiDeviceAppDev/MusicAlbum/entry/src/ohosTest/ets/testability/TestAbility.ets b/MultiDeviceAppDev/MusicAlbum/entry/src/ohosTest/ets/testability/TestAbility.ets
deleted file mode 100644
index aec33414f0292acf62b7e566bad6a6f91e45f86a..0000000000000000000000000000000000000000
--- a/MultiDeviceAppDev/MusicAlbum/entry/src/ohosTest/ets/testability/TestAbility.ets
+++ /dev/null
@@ -1,72 +0,0 @@
-/*
- * Copyright (c) 2022 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.
- */
-
-import hilog from '@ohos.hilog'
-import Ability from '@ohos.application.Ability'
-import AbilityDelegatorRegistry from '@ohos.application.abilityDelegatorRegistry'
-import { Hypium } from '@ohos/hypium'
-import testsuite from '../test/List.test'
-import Window from '@ohos.window'
-
-export default class TestAbility extends Ability {
-  onCreate(want, launchParam) {
-    hilog.isLoggable(0x0000, 'testTag', hilog.LogLevel.INFO)
-    hilog.info(0x0000, 'testTag', '%{public}s', 'TestAbility onCreate')
-    hilog.info(0x0000, 'testTag', '%{public}s', 'want param:' + JSON.stringify(want) ?? '')
-    hilog.info(0x0000, 'testTag', '%{public}s', 'launchParam:' + JSON.stringify(launchParam) ?? '')
-    var abilityDelegator: any
-    abilityDelegator = AbilityDelegatorRegistry.getAbilityDelegator()
-    var abilityDelegatorArguments: any
-    abilityDelegatorArguments = AbilityDelegatorRegistry.getArguments()
-    hilog.isLoggable(0x0000, 'testTag', hilog.LogLevel.INFO);
-    hilog.info(0x0000, 'testTag', '%{public}s', 'start run testcase!!!')
-    Hypium.hypiumTest(abilityDelegator, abilityDelegatorArguments, testsuite)
-  }
-
-  onDestroy() {
-    hilog.isLoggable(0x0000, 'testTag', hilog.LogLevel.INFO)
-    hilog.info(0x0000, 'testTag', '%{public}s', 'TestAbility onDestroy')
-  }
-
-  onWindowStageCreate(windowStage: Window.WindowStage) {
-    hilog.isLoggable(0x0000, 'testTag', hilog.LogLevel.INFO)
-    hilog.info(0x0000, 'testTag', '%{public}s', 'TestAbility onWindowStageCreate')
-    windowStage.loadContent('testability/pages/Index', (err, data) => {
-      if (err.code) {
-        hilog.isLoggable(0x0000, 'testTag', hilog.LogLevel.ERROR)
-        hilog.error(0x0000, 'testTag', 'Failed to load the content. Cause: %{public}s', JSON.stringify(err) ?? '')
-        return
-      }
-      hilog.isLoggable(0x0000, 'testTag', hilog.LogLevel.INFO)
-      hilog.info(0x0000, 'testTag', 'Succeeded in loading the content. Data: %{public}s',
-        JSON.stringify(data) ?? '')
-    })
-  }
-
-  onWindowStageDestroy() {
-    hilog.isLoggable(0x0000, 'testTag', hilog.LogLevel.INFO)
-    hilog.info(0x0000, 'testTag', '%{public}s', 'TestAbility onWindowStageDestroy')
-  }
-
-  onForeground() {
-    hilog.isLoggable(0x0000, 'testTag', hilog.LogLevel.INFO)
-    hilog.info(0x0000, 'testTag', '%{public}s', 'TestAbility onForeground')
-  }
-
-  onBackground() {
-    hilog.isLoggable(0x0000, 'testTag', hilog.LogLevel.INFO)
-    hilog.info(0x0000, 'testTag', '%{public}s', 'TestAbility onBackground')
-  }
-}
\ No newline at end of file
diff --git a/MultiDeviceAppDev/MusicAlbum/entry/src/ohosTest/ets/testability/pages/Index.ets b/MultiDeviceAppDev/MusicAlbum/entry/src/ohosTest/ets/testability/pages/Index.ets
deleted file mode 100644
index db9979b60e7dfe437a9a0e9fcd4668151dd8a261..0000000000000000000000000000000000000000
--- a/MultiDeviceAppDev/MusicAlbum/entry/src/ohosTest/ets/testability/pages/Index.ets
+++ /dev/null
@@ -1,53 +0,0 @@
-/*
- * Copyright (c) 2022 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.
- */
-
-import hilog from '@ohos.hilog'
-
-@Entry
-@Component
-struct Index {
-  aboutToAppear() {
-    hilog.isLoggable(0x0000, 'testTag', hilog.LogLevel.INFO);
-    hilog.info(0x0000, 'testTag', '%{public}s', 'TestAbility index aboutToAppear')
-  }
-
-  @State message: string = 'Hello World'
-
-  build() {
-    Row() {
-      Column() {
-        Text(this.message)
-          .fontSize(50)
-          .fontWeight(FontWeight.Bold)
-        Button() {
-          Text('next page')
-            .fontSize(20)
-            .fontWeight(FontWeight.Bold)
-        }
-        .type(ButtonType.Capsule)
-        .margin({
-          top: 20
-        })
-        .backgroundColor('#0D9FFB')
-        .width('35%')
-        .height('5%')
-        .onClick(() => {
-        })
-      }
-      .width('100%')
-    }
-    .height('100%')
-  }
-}
\ No newline at end of file
diff --git a/MultiDeviceAppDev/MusicAlbum/entry/src/ohosTest/ets/testrunner/OpenHarmonyTestRunner.ts b/MultiDeviceAppDev/MusicAlbum/entry/src/ohosTest/ets/testrunner/OpenHarmonyTestRunner.ts
deleted file mode 100644
index c333570074880fc4f68af1b9089f2bba3488a2d4..0000000000000000000000000000000000000000
--- a/MultiDeviceAppDev/MusicAlbum/entry/src/ohosTest/ets/testrunner/OpenHarmonyTestRunner.ts
+++ /dev/null
@@ -1,85 +0,0 @@
-/*
- * Copyright (c) 2022 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.
- */
-
-import hilog from '@ohos.hilog'
-import TestRunner from '@ohos.application.testRunner'
-import AbilityDelegatorRegistry from '@ohos.application.abilityDelegatorRegistry'
-
-var abilityDelegator = undefined
-var abilityDelegatorArguments = undefined
-
-function translateParamsToString(parameters) {
-  const keySet = new Set([
-    '-s class', '-s notClass', '-s suite', '-s it',
-    '-s level', '-s testType', '-s size', '-s timeout',
-    '-s dryRun'
-  ])
-  let targetParams = ''
-  for (const key in parameters) {
-    if (keySet.has(key)) {
-      targetParams = `${targetParams} ${key} ${parameters[key]}`
-    }
-  }
-  return targetParams.trim()
-}
-
-async function onAbilityCreateCallback() {
-  hilog.isLoggable(0x0000, 'testTag', hilog.LogLevel.INFO)
-  hilog.info(0x0000, 'testTag', '%{public}s', 'onAbilityCreateCallback')
-}
-
-async function addAbilityMonitorCallback(err: any) {
-  hilog.isLoggable(0x0000, 'testTag', hilog.LogLevel.INFO)
-  hilog.info(0x0000, 'testTag', 'addAbilityMonitorCallback : %{public}s', JSON.stringify(err) ?? '')
-}
-
-export default class OpenHarmonyTestRunner implements TestRunner {
-  constructor() {
-  }
-
-  onPrepare() {
-    hilog.isLoggable(0x0000, 'testTag', hilog.LogLevel.INFO)
-    hilog.info(0x0000, 'testTag', '%{public}s', 'OpenHarmonyTestRunner OnPrepare ')
-  }
-
-  async onRun() {
-    hilog.isLoggable(0x0000, 'testTag', hilog.LogLevel.INFO)
-    hilog.info(0x0000, 'testTag', '%{public}s', 'OpenHarmonyTestRunner onRun run')
-    abilityDelegatorArguments = AbilityDelegatorRegistry.getArguments()
-    abilityDelegator = AbilityDelegatorRegistry.getAbilityDelegator()
-    var testAbilityName = abilityDelegatorArguments.bundleName + '.TestAbility'
-    let lMonitor = {
-      abilityName: testAbilityName,
-      onAbilityCreate: onAbilityCreateCallback,
-    };
-    abilityDelegator.addAbilityMonitor(lMonitor, addAbilityMonitorCallback)
-    var cmd = 'aa start -d 0 -a TestAbility' + ' -b ' + abilityDelegatorArguments.bundleName
-    cmd += ' ' + translateParamsToString(abilityDelegatorArguments.parameters)
-    var debug = abilityDelegatorArguments.parameters['-D']
-    if (debug == 'true') {
-      cmd += ' -D'
-    }
-    hilog.isLoggable(0x0000, 'testTag', hilog.LogLevel.INFO)
-    hilog.info(0x0000, 'testTag', 'cmd : %{public}s', cmd)
-    abilityDelegator.executeShellCommand(cmd,
-      (err: any, d: any) => {
-        hilog.isLoggable(0x0000, 'testTag', hilog.LogLevel.INFO)
-        hilog.info(0x0000, 'testTag', 'executeShellCommand : err : %{public}s', JSON.stringify(err) ?? '')
-        hilog.info(0x0000, 'testTag', 'executeShellCommand : data : %{public}s', d.stdResult ?? '')
-        hilog.info(0x0000, 'testTag', 'executeShellCommand : data : %{public}s', d.exitCode ?? '')
-      })
-    hilog.info(0x0000, 'testTag', '%{public}s', 'OpenHarmonyTestRunner onRun end')
-  }
-}
\ No newline at end of file
diff --git a/MultiDeviceAppDev/MusicAlbum/entry/src/ohosTest/module.json5 b/MultiDeviceAppDev/MusicAlbum/entry/src/ohosTest/module.json5
deleted file mode 100644
index fd36ba53c20316b267de39f8dfd0e2063ba5eda1..0000000000000000000000000000000000000000
--- a/MultiDeviceAppDev/MusicAlbum/entry/src/ohosTest/module.json5
+++ /dev/null
@@ -1,51 +0,0 @@
-/*
- * Copyright (c) 2022 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.
- */
-
-{
-  "module": {
-    "name": "entry_test",
-    "type": "feature",
-    "description": "$string:module_test_desc",
-    "mainElement": "TestAbility",
-    "deviceTypes": [
-      "phone"
-    ],
-    "deliveryWithInstall": true,
-    "installationFree": false,
-    "pages": "$profile:test_pages",
-    "abilities": [
-      {
-        "name": "TestAbility",
-        "srcEntrance": "./ets/testability/TestAbility.ets",
-        "description": "$string:TestAbility_desc",
-        "icon": "$media:icon",
-        "label": "$string:TestAbility_label",
-        "visible": true,
-        "startWindowIcon": "$media:icon",
-        "startWindowBackground": "$color:start_window_background",
-        "skills": [
-          {
-            "actions": [
-              "action.system.home"
-            ],
-            "entities": [
-              "entity.system.home"
-            ]
-          }
-        ]
-      }
-    ]
-  }
-}
diff --git a/MultiDeviceAppDev/MusicAlbum/entry/src/ohosTest/resources/base/element/color.json b/MultiDeviceAppDev/MusicAlbum/entry/src/ohosTest/resources/base/element/color.json
deleted file mode 100644
index 3c712962da3c2751c2b9ddb53559afcbd2b54a02..0000000000000000000000000000000000000000
--- a/MultiDeviceAppDev/MusicAlbum/entry/src/ohosTest/resources/base/element/color.json
+++ /dev/null
@@ -1,8 +0,0 @@
-{
-  "color": [
-    {
-      "name": "start_window_background",
-      "value": "#FFFFFF"
-    }
-  ]
-}
\ No newline at end of file
diff --git a/MultiDeviceAppDev/MusicAlbum/entry/src/ohosTest/resources/base/element/string.json b/MultiDeviceAppDev/MusicAlbum/entry/src/ohosTest/resources/base/element/string.json
deleted file mode 100644
index 65d8fa5a7cf54aa3943dcd0214f58d1771bc1f6c..0000000000000000000000000000000000000000
--- a/MultiDeviceAppDev/MusicAlbum/entry/src/ohosTest/resources/base/element/string.json
+++ /dev/null
@@ -1,16 +0,0 @@
-{
-  "string": [
-    {
-      "name": "module_test_desc",
-      "value": "test ability description"
-    },
-    {
-      "name": "TestAbility_desc",
-      "value": "the test ability"
-    },
-    {
-      "name": "TestAbility_label",
-      "value": "test label"
-    }
-  ]
-}
\ No newline at end of file
diff --git a/MultiDeviceAppDev/MusicAlbum/entry/src/ohosTest/resources/base/media/icon.png b/MultiDeviceAppDev/MusicAlbum/entry/src/ohosTest/resources/base/media/icon.png
deleted file mode 100644
index ce307a8827bd75456441ceb57d530e4c8d45d36c..0000000000000000000000000000000000000000
Binary files a/MultiDeviceAppDev/MusicAlbum/entry/src/ohosTest/resources/base/media/icon.png and /dev/null differ
diff --git a/MultiDeviceAppDev/MusicAlbum/entry/src/ohosTest/resources/base/profile/test_pages.json b/MultiDeviceAppDev/MusicAlbum/entry/src/ohosTest/resources/base/profile/test_pages.json
deleted file mode 100644
index b7e7343cacb32ce982a45e76daad86e435e054fe..0000000000000000000000000000000000000000
--- a/MultiDeviceAppDev/MusicAlbum/entry/src/ohosTest/resources/base/profile/test_pages.json
+++ /dev/null
@@ -1,5 +0,0 @@
-{
-  "src": [
-    "testability/pages/Index"
-  ]
-}