update zh-cn/application-dev/reference/apis/js-apis-bundle-BundleInstaller.md.

Signed-off-by: N耿文广 <gengwenguang@huawei.com>

zh-cn/application-dev/reference/apis/js-apis-bundle-BundleInstaller.md

@@ -34,7 +34,6 @@ SystemCapability.BundleManager.BundleFramework
 **示例：**
 
 ```ts
-import bundle from '@ohos.bundle';
 import bundleInstall from '@ohos.bundle.installer';
 import { BusinessError } from '@ohos.base';
 
@@ -45,8 +44,8 @@ let installParam: bundleInstall.InstallParam = {
   installFlag: 1,
 };
 
-bundle.getBundleInstaller().then(installer: bundleInstall.BundleInstaller => {
-    installer.install(hapFilePaths, installParam, err: BusinessError => {
+bundleInstall.getBundleInstaller().then(installer => {
+  installer.install(hapFilePaths, installParam, err => {
     if (err) {
       console.error('install failed:' + JSON.stringify(err));
     } else {
@@ -88,7 +87,6 @@ SystemCapability.BundleManager.BundleFramework
 **示例：**
 
 ```ts
-import bundle from '@ohos.bundle';
 import bundleInstall from '@ohos.bundle.installer';
 import { BusinessError } from '@ohos.base';
 
@@ -99,15 +97,15 @@ let installParam: bundleInstall.InstallParam = {
   installFlag: 1,
 };
 
-bundle.getBundleInstaller().then(installer: bundleInstall.BundleInstaller => {
-    installer.uninstall(bundleName, installParam, err: BusinessError => {
+bundleInstall.getBundleInstaller().then(installer => {
+  installer.uninstall(bundleName, installParam, err => {
     if (err) {
       console.error('uninstall failed:' + JSON.stringify(err));
     } else {
       console.info('uninstall successfully.');
     }
   });
-}).catch(error => {
+}).catch((error: BusinessError) => {
   let message = (error as BusinessError).message;
   console.error('getBundleInstaller failed. Cause: ' + message);
 });
@@ -141,7 +139,6 @@ SystemCapability.BundleManager.BundleFramework
 **示例：**
 
 ```ts
-import bundle from '@ohos.bundle';
 import bundleInstall from '@ohos.bundle.installer';
 import { BusinessError } from '@ohos.base';
 
@@ -152,15 +149,15 @@ let installParam: bundleInstall.InstallParam = {
   installFlag: 1,
 };
 
-bundle.getBundleInstaller().then(installer: bundleInstall.BundleInstaller => {
-    installer.recover(bundleName, installParam, err: BusinessError => {
+bundleInstall.getBundleInstaller().then(installer => {
+  installer.uninstall(bundleName, installParam, err => {
     if (err) {
-            console.error('recover failed:' + JSON.stringify(err));
+      console.error('uninstall failed:' + JSON.stringify(err));
     } else {
-            console.info('recover successfully.');
+      console.info('uninstall successfully.');
     }
   });
-}).catch(error => {
+}).catch((error: BusinessError) => {
   let message = (error as BusinessError).message;
   console.error('getBundleInstaller failed. Cause: ' + message);
 });