diff --git a/runtime/main/extend/systemplugin/napi/index.js b/runtime/main/extend/systemplugin/napi/index.js
index aecc8f7a..cee8d33b 100644
--- a/runtime/main/extend/systemplugin/napi/index.js
+++ b/runtime/main/extend/systemplugin/napi/index.js
@@ -65,6 +65,7 @@ import { mockHilog } from './ohos_hilog'
 import { mockHiSysEvent } from './ohos_hiSysEvent'
 import { mockHiTraceChain } from './ohos_hiTraceChain'
 import { mockHiTraceMeter } from './ohos_hiTraceMeter'
+import { mockHidebug } from './ohos_hidebug'
 import { mockFaultLogger } from './ohos_faultLogger'
 import { mockTv } from './tv'
 import { mockDtv } from './dtv'
@@ -391,6 +392,8 @@ export function mockRequireNapiFun() {
         return mockHilog();
       case "hiSysEvent":
         return mockHiSysEvent();
+      case "hidebug":
+        return mockHidebug();
       case "hiTraceChain":
         return mockHiTraceChain();
       case "hiTraceMeter":
diff --git a/runtime/main/extend/systemplugin/napi/ohos_application_AbilityConstant.js b/runtime/main/extend/systemplugin/napi/ohos_application_AbilityConstant.js
index 5a0aedb5..3f7f3a92 100644
--- a/runtime/main/extend/systemplugin/napi/ohos_application_AbilityConstant.js
+++ b/runtime/main/extend/systemplugin/napi/ohos_application_AbilityConstant.js
@@ -33,12 +33,20 @@ export const OnContinueResult = {
     REJECT: 1,
     MISMATCH: 2,
 }
+export const WindowMode = {
+    WINDOW_MODE_UNDEFINED: 0,
+    WINDOW_MODE_FULLSCREEN: 1,
+    WINDOW_MODE_SPLIT_PRIMARY: 100,
+    WINDOW_MODE_SPLIT_SECONDARY: 101,
+    WINDOW_MODE_FLOATING: 102,
+}
 export function mockAbilityConstant() {
     const AbilityConstant = {
         LaunchParam,
         LaunchReason,
         LastExitReason,
-        OnContinueResult
+        OnContinueResult,
+        WindowMode
     }
     return AbilityConstant;
 }
\ No newline at end of file
diff --git a/runtime/main/extend/systemplugin/napi/ohos_hidebug.js b/runtime/main/extend/systemplugin/napi/ohos_hidebug.js
new file mode 100644
index 00000000..c1fd2a4a
--- /dev/null
+++ b/runtime/main/extend/systemplugin/napi/ohos_hidebug.js
@@ -0,0 +1,74 @@
+/*
+ * 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 { paramMock } from "../utils"
+
+export function mockHidebug() {
+    const hidebug = {
+        getNativeHeapSize: function () {
+            console.warn("hidebug.getNativeHeapSize interface mocked in the Previewer. How this interface works on the" +
+            " Previewer may be different from that on a real device.")
+            return paramMock.paramNumberMock;
+        },
+        getNativeHeapAllocatedSize: function () {
+            console.warn("hidebug.getNativeHeapAllocatedSize interface mocked in the Previewer. How this interface works on the" +
+            " Previewer may be different from that on a real device.")
+            return paramMock.paramNumberMock;
+        },
+        getNativeHeapFreeSize: function () {
+            console.warn("hidebug.getNativeHeapFreeSize interface mocked in the Previewer. How this interface works on the" +
+            " Previewer may be different from that on a real device.")
+            return paramMock.paramNumberMock;
+        },
+        getPss: function () {
+            console.warn("hidebug.getPss interface mocked in the Previewer. How this interface works on the" +
+            " Previewer may be different from that on a real device.")
+            return paramMock.paramNumberMock;
+        },
+        getSharedDirty: function () {
+            console.warn("hidebug.getSharedDirty interface mocked in the Previewer. How this interface works on the" +
+            " Previewer may be different from that on a real device.")
+            return paramMock.paramNumberMock;
+        },
+        getPrivateDirty: function () {
+            console.warn("hidebug.getPrivateDirty interface mocked in the Previewer. How this interface works on the" +
+            " Previewer may be different from that on a real device.")
+            return paramMock.paramNumberMock;
+        },
+        getCpuUsage: function () {
+            console.warn("hidebug.getCpuUsage interface mocked in the Previewer. How this interface works on the" +
+            " Previewer may be different from that on a real device.")
+            return paramMock.paramNumberMock;
+        },
+        startProfiling: function (...args) {
+            console.warn("hidebug.startProfiling interface mocked in the Previewer. How this interface works on the" +
+            " Previewer may be different from that on a real device.")
+        },
+        stopProfiling: function () {
+            console.warn("hidebug.stopProfiling interface mocked in the Previewer. How this interface works on the" +
+            " Previewer may be different from that on a real device.")
+        },
+        dumpHeapData: function (...args) {
+            console.warn("hidebug.dumpHeapData interface mocked in the Previewer. How this interface works on the" +
+            " Previewer may be different from that on a real device.")
+        },
+        getServiceDump: function (...args) {
+            console.warn("hidebug.getServiceDump interface mocked in the Previewer. How this interface works on the" +
+            " Previewer may be different from that on a real device.")
+            return paramMock.paramStringMock;
+        },
+    }
+    return hidebug
+}
\ No newline at end of file
diff --git a/runtime/main/extend/systemplugin/napi/ohos_update.js b/runtime/main/extend/systemplugin/napi/ohos_update.js
index deba644b..1e45391f 100644
--- a/runtime/main/extend/systemplugin/napi/ohos_update.js
+++ b/runtime/main/extend/systemplugin/napi/ohos_update.js
@@ -41,6 +41,18 @@ export function mockUpdate() {
                 })
             }
         },
+        getNewVersionDescription: function (...args) {
+            console.warn("Updater.getNewVersionDescription interface mocked in the Previewer. How this interface works" +
+            " on the Previewer may be different from that on a real device.")
+            const len = args.length
+            if (len > 0 && typeof args[len - 1] === 'function') {
+                args[len - 1].call(this, paramMock.businessErrorMock, [ComponentDescription]);
+            } else {
+                return new Promise((resolve, reject) => {
+                    resolve([ComponentDescription]);
+                })
+            }
+        },
         getCurrentVersionInfo: function (...args) {
             console.warn("Updater.getCurrentVersionInfo interface mocked in the Previewer. How this interface works" +
             " on the Previewer may be different from that on a real device.")
@@ -53,6 +65,18 @@ export function mockUpdate() {
                 })
             }
         },
+        getCurrentVersionDescription: function (...args) {
+            console.warn("Updater.getCurrentVersionDescription interface mocked in the Previewer. How this interface works" +
+            " on the Previewer may be different from that on a real device.")
+            const len = args.length
+            if (len > 0 && typeof args[len - 1] === 'function') {
+                args[len - 1].call(this, paramMock.businessErrorMock, [ComponentDescription]);
+            } else {
+                return new Promise((resolve, reject) => {
+                    resolve([ComponentDescription]);
+                })
+            }
+        },
         getTaskInfo: function (...args) {
             console.warn("Updater.getTaskInfo interface mocked in the Previewer. How this interface works on the" +
             " Previewer may be different from that on a real device.")
@@ -255,6 +279,8 @@ export function mockUpdate() {
         ClearOptions,
         EventClassifyInfo,
         UpgradeFile,
+        DescriptionOptions,
+        DescriptionFormat,
         getOnlineUpdater: function (...args) {
             console.warn("update.getOnlineUpdater interface mocked in the Previewer. How this interface works on the" +
             " Previewer may be different from that on a real device.")
@@ -365,6 +391,7 @@ const DescriptionInfo = {
 }
 
 const VersionComponent = {
+    componentId: "[PC Preview] unknown componentId",
     componentType: ComponentType.OTA,
     upgradeAction: UpgradeAction.UPGRADE,
     displayVersion: "[PC Preview] unknown displayVersion",
@@ -465,4 +492,19 @@ const EventClassifyInfo = {
 const UpgradeFile = {
     fileType: ComponentType,
     filePath: "[PC Preview] unknown filePath"
+}
+
+const DescriptionOptions = {
+    format: DescriptionFormat,
+    language: "[PC Preview] unknown language",
+}
+
+const ComponentDescription = {
+    componentId: "[PC Preview] unknown componentId",
+    descriptionInfo: DescriptionInfo,
+}
+
+const DescriptionFormat = {
+    STANDARD: 0,
+    SIMPLIFIED : 1,
 }
\ No newline at end of file