导入模块修正

Signed-off-by: Nzengyawen <zengyawen1@huawei.com>

zh-cn/application-dev/reference/apis/js-apis-app-ability-MediaControlExtensionAbility.md

@@ -13,5 +13,5 @@ MediaControlExtensionAbility模块提供播放控制的扩展能力，继承自[
 ## 导入模块
 
 ```js
-import MediaControlExtensionAbility from @ohos.app.ability.MediaControlExtensionAbility;
+import MediaControlExtensionAbility from '@ohos.app.ability.MediaControlExtensionAbility';
 ```

zh-cn/application-dev/reference/apis/js-apis-file-picker.md

@@ -10,7 +10,6 @@
 
 ```ts
 import picker from '@ohos.file.picker';
-import { BusinessError } from '@ohos.base';
 ```
 
 ## PhotoViewPicker
@@ -48,6 +47,8 @@ select(option?: PhotoSelectOptions) : Promise<PhotoSelectResult>
 **示例：**
 
 ```ts
+import { BusinessError } from '@ohos.base';
+
 async example01() {
   try {  
     let PhotoSelectOptions = new picker.PhotoSelectOptions();
@@ -83,6 +84,8 @@ select(option: PhotoSelectOptions, callback: AsyncCallback<PhotoSelectResult&
 **示例：**
 
 ```ts
+import { BusinessError } from '@ohos.base';
+
 async example02() {
   try {
     let PhotoSelectOptions = new picker.PhotoSelectOptions();
@@ -119,6 +122,8 @@ select(callback: AsyncCallback<PhotoSelectResult>) : void
 **示例：**
 
 ```ts
+import { BusinessError } from '@ohos.base';
+
 async example03() {
   try {
     let photoPicker = new picker.PhotoViewPicker();
@@ -158,6 +163,8 @@ save(option?: PhotoSaveOptions) : Promise<Array<string>>
 **示例：**
 
 ```ts
+import { BusinessError } from '@ohos.base';
+
 async example04() {
   try {
     let PhotoSaveOptions = new picker.PhotoSaveOptions();
@@ -192,6 +199,8 @@ save(option: PhotoSaveOptions, callback: AsyncCallback<Array<string>&gt
 **示例：**
 
 ```ts
+import { BusinessError } from '@ohos.base';
+
 async example05() {
   try {
     let PhotoSaveOptions = new picker.PhotoSaveOptions();
@@ -227,6 +236,8 @@ save(callback: AsyncCallback<Array<string>>) : void
 **示例：**
 
 ```ts
+import { BusinessError } from '@ohos.base';
+
 async example06() {
   try {
     let photoPicker = new picker.PhotoViewPicker();
@@ -278,6 +289,8 @@ select(option?: DocumentSelectOptions) : Promise<Array<string>>
 **示例：**
 
 ```ts
+import { BusinessError } from '@ohos.base';
+
 async example07() {
   try {
     let DocumentSelectOptions = new picker.DocumentSelectOptions();
@@ -311,6 +324,8 @@ select(option: DocumentSelectOptions, callback: AsyncCallback<Array<string
 **示例：**
 
 ```ts
+import { BusinessError } from '@ohos.base';
+
 async example08() {
   try {
     let DocumentSelectOptions = new picker.DocumentSelectOptions();
@@ -345,6 +360,8 @@ select(callback: AsyncCallback<Array<string>>) : void
 **示例：**
 
 ```ts
+import { BusinessError } from '@ohos.base';
+
 async example09() {
   try {
     let documentPicker = new picker.DocumentViewPicker();
@@ -385,6 +402,8 @@ save(option?: DocumentSaveOptions) : Promise<Array<string>>
 **示例：**
 
 ```ts
+import { BusinessError } from '@ohos.base';
+
 async example10() {
   try {
     let DocumentSaveOptions = new picker.DocumentSaveOptions();
@@ -419,6 +438,8 @@ save(option: DocumentSaveOptions, callback: AsyncCallback<Array<string>
 **示例：**
 
 ```ts
+import { BusinessError } from '@ohos.base';
+
 async example11() {
   try {
     let DocumentSaveOptions = new picker.DocumentSaveOptions();
@@ -454,6 +475,8 @@ save(callback: AsyncCallback<Array<string>>) : void
 **示例：**
 
 ```ts
+import { BusinessError } from '@ohos.base';
+
 async example12() {
   try {
     let documentPicker = new picker.DocumentViewPicker();
@@ -505,6 +528,8 @@ select(option?: AudioSelectOptions) : Promise<Array<string>>
 **示例：**
 
 ```ts
+import { BusinessError } from '@ohos.base';
+
 async example13() {
   try {
     let AudioSelectOptions = new picker.AudioSelectOptions();
@@ -538,6 +563,8 @@ select(option: AudioSelectOptions, callback: AsyncCallback<Array<string&gt
 **示例：**
 
 ```ts
+import { BusinessError } from '@ohos.base';
+
 async example14() {
   try {
     let AudioSelectOptions = new picker.AudioSelectOptions();
@@ -572,6 +599,8 @@ select(callback: AsyncCallback<Array<string>>) : void
 **示例：**
 
 ```ts
+import { BusinessError } from '@ohos.base';
+
 async example15() {
   try {
     let audioPicker = new picker.AudioViewPicker();
@@ -611,6 +640,8 @@ save(option?: AudioSaveOptions) : Promise<Array<string>>
 **示例：**
 
 ```ts
+import { BusinessError } from '@ohos.base';
+
 async example16() {
   try {
     let AudioSaveOptions = new picker.AudioSaveOptions();
@@ -645,6 +676,8 @@ save(option: AudioSaveOptions, callback: AsyncCallback<Array<string>&gt
 **示例：**
 
 ```ts
+import { BusinessError } from '@ohos.base';
+
 async example17() {
   try {
     let AudioSaveOptions = new picker.AudioSaveOptions();
@@ -680,6 +713,8 @@ save(callback: AsyncCallback<Array<string>>) : void
 **示例：**
 
 ```ts
+import { BusinessError } from '@ohos.base';
+
 async example18() {
   try {
     let audioPicker = new picker.AudioViewPicker();

zh-cn/application-dev/reference/apis/js-apis-system-parameter.md

 # @ohos.systemParameter (系统属性)
 
 系统参数（SystemParameter）是为各系统服务提供的简单易用的键值对访问接口，各个系统服务可以定义系统参数来描述该服务的状态信息，或者通过系统参数来改变系统服务的行为。其基本操作原语为get和set，通过get可以查询系统参数的值，通过set可以修改系统参数的值。
-详细的系统参数设计原理及定义可参考
-[系统参数](../../../device-dev/subsystems/subsys-boot-init-sysparam.md)。
+详细的系统参数设计原理及定义可参考[系统参数](../../../device-dev/subsystems/subsys-boot-init-sysparam.md)。
 
 > **说明：**
 > - 本模块接口从API version 9开始不再维护，建议使用新接口[`@ohos.systemParameterEnhance`](js-apis-system-parameterEnhance.md)替代。
@@ -15,7 +14,6 @@
 
 ```ts
 import systemparameter from '@ohos.systemparameter';
-import { BusinessError } from '@ohos.base';
 ```
 
 ## systemparameter.getSync<sup>(deprecated)</sup>
@@ -68,6 +66,8 @@ get(key: string, callback: AsyncCallback&lt;string&gt;): void
 **示例：**
 
 ```ts
+import { BusinessError } from '@ohos.base';
+
 try {
     systemparameter.get("const.ohos.apiversion", (err:BusinessError, data:string) => {
     if (err == undefined) {
@@ -99,6 +99,8 @@ get(key: string, def: string, callback: AsyncCallback&lt;string&gt;): void
 **示例：**
 
 ```ts
+import { BusinessError } from '@ohos.base';
+
 try {
     systemparameter.get("const.ohos.apiversion", "default", (err:BusinessError, data:string) => {
         if (err == undefined) {
@@ -136,6 +138,8 @@ get(key: string, def?: string): Promise&lt;string&gt;
 **示例：**
 
 ```ts
+import { BusinessError } from '@ohos.base';
+
 try {
     let p = systemparameter.get("const.ohos.apiversion");
     p.then((value:string) => {
@@ -201,6 +205,8 @@ set(key: string, value: string, callback: AsyncCallback&lt;void&gt;): void
 **示例：**
 
 ```ts
+import { BusinessError } from '@ohos.base';
+
 try {
     systemparameter.set("test.parameter.key", "testValue",  (err:BusinessError, data:string) =>{
     if (err == undefined) {
@@ -241,6 +247,8 @@ set(key: string, value: string): Promise&lt;void&gt;
 **示例：**
 
 ```ts
+import { BusinessError } from '@ohos.base';
+
 try {
     let p = systemparameter.set("test.parameter.key", "testValue");
     p.then((value:string) => {

zh-cn/application-dev/reference/apis/js-apis-system-parameterEnhance.md

 # @ohos.systemParameterEnhance (系统参数)
 
 系统参数（SystemParameter）是为各系统服务提供的简单易用的键值对访问接口，各个系统服务可以定义系统参数来描述该服务的状态信息，或者通过系统参数来改变系统服务的行为。其基本操作原语为get和set，通过get可以查询系统参数的值，通过set可以修改系统参数的值。
-详细的系统参数设计原理及定义可参考
-[系统参数](../../../device-dev/subsystems/subsys-boot-init-sysparam.md)。
+详细的系统参数设计原理及定义可参考[系统参数](../../../device-dev/subsystems/subsys-boot-init-sysparam.md)。
 
 > **说明：**
 >
@@ -14,7 +13,6 @@
 
 ```ts
 import systemparameter from '@ohos.systemParameterEnhance';
-import { BusinessError } from '@ohos.base';
 ```
 
 ## systemparameter.getSync
@@ -67,6 +65,8 @@ get(key: string, callback: AsyncCallback<string>): void
 **示例：**
 
 ```ts
+import { BusinessError } from '@ohos.base';
+
 try {
     systemparameter.get("const.ohos.apiversion", (err:BusinessError, data:string) => {
     if (err == undefined) {
@@ -98,6 +98,8 @@ get(key: string, def: string, callback: AsyncCallback<string>): void
 **示例：**
 
 ```ts
+import { BusinessError } from '@ohos.base';
+
 try {
     systemparameter.get("const.ohos.apiversion", "default", (err:BusinessError, data:string) => {
         if (err == undefined) {
@@ -135,6 +137,8 @@ get(key: string, def?: string): Promise<string>
 **示例：**
 
 ```ts
+import { BusinessError } from '@ohos.base';
+
 try {
     let p = systemparameter.get("const.ohos.apiversion");
     p.then((value:string) => {
@@ -165,6 +169,8 @@ setSync(key: string, value: string): void
 **示例：**
 
 ```ts
+import { BusinessError } from '@ohos.base';
+
 try {
     systemparameter.setSync("test.parameter.key", "default");
 } catch(e) {
@@ -191,6 +197,8 @@ set(key: string, value: string, callback: AsyncCallback<void>): void
 **示例：**
 
 ```ts
+import { BusinessError } from '@ohos.base';
+
 try {
     systemparameter.set("test.parameter.key", "testValue", (err:BusinessError, data:string) => {
     if (err == undefined) {
@@ -227,6 +235,8 @@ set(key: string, value: string): Promise<void>
 **示例：**
 
 ```ts
+import { BusinessError } from '@ohos.base';
+
 try {
     let p = systemparameter.set("test.parameter.key", "testValue");
     p.then((value:string) => {