diff --git a/zh-cn/application-dev/reference/apis/js-apis-distributedBundleManager.md b/zh-cn/application-dev/reference/apis/js-apis-distributedBundleManager.md
index 4bcaceb89bd653ad30a3b634672cf98bd3ca4844..5d9654659cfd3b00842c085f097d90a04e143bc7 100644
--- a/zh-cn/application-dev/reference/apis/js-apis-distributedBundleManager.md
+++ b/zh-cn/application-dev/reference/apis/js-apis-distributedBundleManager.md
@@ -59,13 +59,16 @@ getRemoteAbilityInfo(elementName: ElementName, callback: AsyncCallback\<RemoteAb
 **示例：**
 
 ```ts
+import distributedBundle from '@ohos.bundle.distributedBundleManager';
+import { BusinessError } from '@ohos.base';
+
 try {
     distributedBundle.getRemoteAbilityInfo(
         {
             deviceId: '1',
             bundleName: 'com.example.application',
             abilityName: 'EntryAbility'
-        }, (err, data) => {
+        }, (err: BusinessError, data: distributedBundle.RemoteAbilityInfo) => {
           if (err) {
             console.log(`Operation failed: error code is ${err.code}  and error message is ${err.message}`);
           } else {
@@ -73,7 +76,9 @@ try {
           }
         });
 } catch (err) {
-    console.log(`Operation failed: error code is ${err.code}  and error message is ${err.message}`);
+    let code = (err as BusinessError).code;
+    let message = (err as BusinessError).message;
+    console.log(`Operation failed: error code is ${code}  and error message is ${message}`);
 }
 ```
 
@@ -115,19 +120,24 @@ getRemoteAbilityInfo(elementName: ElementName): Promise\<RemoteAbilityInfo>;
 **示例：**
 
 ```ts
+import distributedBundle from '@ohos.bundle.distributedBundleManager';
+import { BusinessError } from '@ohos.base';
+
 try {
     distributedBundle.getRemoteAbilityInfo(
         {
             deviceId: '1',
             bundleName: 'com.example.application',
             abilityName: 'EntryAbility'
-        }).then(data => {
+        }).then((data: distributedBundle.RemoteAbilityInfo) => {
             console.info('Operation succeed:' + JSON.stringify(data));
-        }).catch(err => {
+        }).catch((err: BusinessError) => {
             console.log(`Operation failed: error code is ${err.code}  and error message is ${err.message}`);
         });
 } catch (err) {
-    console.log(`Operation failed: error code is ${err.code}  and error message is ${err.message}`);
+    let code = (err as BusinessError).code;
+    let message = (err as BusinessError).message;
+    console.log(`Operation failed: error code is ${code}  and error message is ${message}`);
 }
 ```
 
@@ -164,6 +174,9 @@ getRemoteAbilityInfo(elementNames: Array\<ElementName>, callback: AsyncCallback\
 **示例：**
 
 ```ts
+import distributedBundle from '@ohos.bundle.distributedBundleManager';
+import { BusinessError } from '@ohos.base';
+
 try {
     distributedBundle.getRemoteAbilityInfo(
         [
@@ -177,7 +190,7 @@ try {
                 bundleName: 'com.example.application2',
                 abilityName: 'EntryAbility'
             }
-        ], (err, data) => {
+        ], (err: BusinessError, data: distributedBundle.RemoteAbilityInfo[]) => {
           if (err) {
             console.log(`Operation failed: error code is ${err.code}  and error message is ${err.message}`);
           } else {
@@ -185,7 +198,9 @@ try {
           }
         });
 } catch (err) {
-    console.log(`Operation failed: error code is ${err.code}  and error message is ${err.message}`);
+    let code = (err as BusinessError).code;
+    let message = (err as BusinessError).message;
+    console.log(`Operation failed: error code is ${code}  and error message is ${message}`);
 }
 ```
 
@@ -227,6 +242,9 @@ getRemoteAbilityInfo(elementNames: Array\<ElementName>): Promise\<Array\<RemoteA
 **示例：**
 
 ```ts
+import distributedBundle from '@ohos.bundle.distributedBundleManager';
+import { BusinessError } from '@ohos.base';
+
 try {
     distributedBundle.getRemoteAbilityInfo(
         [
@@ -240,13 +258,15 @@ try {
                 bundleName: 'com.example.application2',
                 abilityName: 'EntryAbility'
             }
-        ]).then(data => {
+        ]).then((data: distributedBundle.RemoteAbilityInfo[]) => {
             console.info('Operation succeed:' + JSON.stringify(data));
-        }).catch(err => {
+        }).catch((err: BusinessError) => {
             console.log(`Operation failed: error code is ${err.code}  and error message is ${err.message}`);
         });
 } catch (err) {
-    console.log(`Operation failed: error code is ${err.code}  and error message is ${err.message}`);
+    let code = (err as BusinessError).code;
+    let message = (err as BusinessError).message;
+    console.log(`Operation failed: error code is ${code}  and error message is ${message}`);
 }
 ```
 
@@ -284,13 +304,16 @@ getRemoteAbilityInfo(elementName: ElementName, locale: string, callback: AsyncCa
 **示例：**
 
 ```ts
+import distributedBundle from '@ohos.bundle.distributedBundleManager';
+import { BusinessError } from '@ohos.base';
+
 try {
     distributedBundle.getRemoteAbilityInfo(
         {
             deviceId: '1',
             bundleName: 'com.example.application',
             abilityName: 'EntryAbility'
-        }, 'zh-Hans-CN', (err, data) => {
+        }, 'zh-Hans-CN', (err: BusinessError, data: distributedBundle.RemoteAbilityInfo) => {
           if (err) {
             console.log(`Operation failed: error code is ${err.code}  and error message is ${err.message}`);
           } else {
@@ -298,7 +321,9 @@ try {
           }
         });
 } catch (err) {
-    console.log(`Operation failed: error code is ${err.code}  and error message is ${err.message}`);
+    let code = (err as BusinessError).code;
+    let message = (err as BusinessError).message;
+    console.log(`Operation failed: error code is ${code}  and error message is ${message}`);
 }
 ```
 
@@ -341,19 +366,24 @@ getRemoteAbilityInfo(elementName: ElementName, locale: string): Promise\<RemoteA
 **示例：**
 
 ```ts
+import distributedBundle from '@ohos.bundle.distributedBundleManager';
+import { BusinessError } from '@ohos.base';
+
 try {
     distributedBundle.getRemoteAbilityInfo(
         {
             deviceId: '1',
             bundleName: 'com.example.application',
             abilityName: 'EntryAbility'
-        }, 'zh-Hans-CN').then(data => {
+        }, 'zh-Hans-CN').then((data: distributedBundle.RemoteAbilityInfo) => {
             console.info('Operation succeed:' + JSON.stringify(data));
-        }).catch(err => {
+        }).catch((err: BusinessError) => {
             console.log(`Operation failed: error code is ${err.code}  and error message is ${err.message}`);
         });
 } catch (err) {
-    console.log(`Operation failed: error code is ${err.code}  and error message is ${err.message}`);
+    let code = (err as BusinessError).code;
+    let message = (err as BusinessError).message;
+    console.log(`Operation failed: error code is ${code}  and error message is ${message}`);
 }
 ```
 
@@ -391,6 +421,9 @@ getRemoteAbilityInfo(elementNames: Array\<ElementName>, locale: string, callback
 **示例：**
 
 ```ts
+import distributedBundle from '@ohos.bundle.distributedBundleManager';
+import { BusinessError } from '@ohos.base';
+
 try {
     distributedBundle.getRemoteAbilityInfo(
         [
@@ -404,7 +437,7 @@ try {
                 bundleName: 'com.example.application2',
                 abilityName: 'EntryAbility'
             }
-        ], 'zh-Hans-CN', (err, data) => {
+        ], 'zh-Hans-CN', (err: BusinessError, data: distributedBundle.RemoteAbilityInfo[]) => {
           if (err) {
            console.log(`Operation failed: error code is ${err.code}  and error message is ${err.message}`);
           } else {
@@ -412,7 +445,9 @@ try {
           }
         });
 } catch (err) {
-    console.log(`Operation failed: error code is ${err.code}  and error message is ${err.message}`);
+    let code = (err as BusinessError).code;
+    let message = (err as BusinessError).message;
+    console.log(`Operation failed: error code is ${code}  and error message is ${message}`);
 }
 ```
 
@@ -455,6 +490,9 @@ getRemoteAbilityInfo(elementNames: Array\<ElementName>, locale: string): Promise
 **示例：**
 
 ```ts
+import distributedBundle from '@ohos.bundle.distributedBundleManager';
+import { BusinessError } from '@ohos.base';
+
 try {
     distributedBundle.getRemoteAbilityInfo(
         [
@@ -468,12 +506,14 @@ try {
                 bundleName: 'com.example.application2',
                 abilityName: 'EntryAbility'
             }
-        ], 'zh-Hans-CN').then(data => {
+        ], 'zh-Hans-CN').then((data: distributedBundle.RemoteAbilityInfo[]) => {
             console.info('Operation succeed:' + JSON.stringify(data));
-        }).catch(err => {
+        }).catch((err: BusinessError) => {
             console.log(`Operation failed: error code is ${err.code}  and error message is ${err.message}`);
         });
 } catch (err) {
-    console.log(`Operation failed: error code is ${err.code}  and error message is ${err.message}`);
+    let code = (err as BusinessError).code;
+    let message = (err as BusinessError).message;
+    console.log(`Operation failed: error code is ${code}  and error message is ${message}`);
 }
 ```
diff --git a/zh-cn/application-dev/reference/apis/js-apis-installer.md b/zh-cn/application-dev/reference/apis/js-apis-installer.md
index 02c05776e1800413ef36cf062425c015dde2c2be..84f78d7a8b3cf9d5f41eedbce3efa5e513dad5f9 100644
--- a/zh-cn/application-dev/reference/apis/js-apis-installer.md
+++ b/zh-cn/application-dev/reference/apis/js-apis-installer.md
@@ -46,9 +46,10 @@ getBundleInstaller(callback: AsyncCallback\<BundleInstaller>): void;
 
 ```ts
 import installer from '@ohos.bundle.installer';
+import { BusinessError } from '@ohos.base';
 
 try {
-    installer.getBundleInstaller((err, data) => {
+    installer.getBundleInstaller((err: BusinessError, data: installer.BundleInstaller) => {
         if (err) {
             console.error('getBundleInstaller failed:' + err.message);
         } else {
@@ -56,7 +57,8 @@ try {
         }
     });
 } catch (error) {
-    console.error('getBundleInstaller failed:' + error.message);
+    let message = (error as BusinessError).message;
+    console.error('getBundleInstaller failed:' + message);
 }
 ```
 
@@ -79,15 +81,17 @@ getBundleInstaller(): Promise\<BundleInstaller>;
 
 ```ts
 import installer from '@ohos.bundle.installer';
+import { BusinessError } from '@ohos.base';
 
 try {
-    installer.getBundleInstaller().then((data) => {
+    installer.getBundleInstaller().then((data: installer.BundleInstaller) => {
         console.info('getBundleInstaller successfully.');
-    }).catch((error) => {
+    }).catch((error: BusinessError) => {
         console.error('getBundleInstaller failed. Cause: ' + error.message);
     });
 } catch (error) {
-    console.error('getBundleInstaller failed. Cause: ' + error.message);
+    let message = (error as BusinessError).message;
+    console.error('getBundleInstaller failed. Cause: ' + message);
 }
 ```
 
@@ -148,27 +152,30 @@ install(hapFilePaths: Array&lt;string&gt;, installParam: InstallParam, callback:
 
 ```ts
 import installer from '@ohos.bundle.installer';
+import { BusinessError } from '@ohos.base';
+
 let hapFilePaths = ['/data/storage/el2/base/haps/entry/files/'];
-let installParam = {
+let installParam: installer.InstallParam = {
     userId: 100,
     isKeepData: false,
     installFlag: 1,
 };
 
 try {
-    installer.getBundleInstaller().then(data => {
-        data.install(hapFilePaths, installParam, err => {
+    installer.getBundleInstaller().then((data: installer.BundleInstaller) => {
+        data.install(hapFilePaths, installParam, (err: BusinessError) => {
             if (err) {
                 console.error('install failed:' + err.message);
             } else {
                 console.info('install successfully.');
             }
         });
-    }).catch(error => {
+    }).catch((error: BusinessError) => {
         console.error('getBundleInstaller failed. Cause: ' + error.message);
     });
 } catch (error) {
-    console.error('getBundleInstaller failed. Cause: ' + error.message);
+    let message = (error as BusinessError).message;
+    console.error('getBundleInstaller failed. Cause: ' + message);
 }
 ```
 ## BundleInstaller.install
@@ -226,22 +233,25 @@ install(hapFilePaths: Array&lt;string&gt;, callback: AsyncCallback&lt;void&gt;):
 
 ```ts
 import installer from '@ohos.bundle.installer';
+import { BusinessError } from '@ohos.base';
+
 let hapFilePaths = ['/data/storage/el2/base/haps/entry/files/'];
 
 try {
-    installer.getBundleInstaller().then(data => {
-        data.install(hapFilePaths, err => {
+    installer.getBundleInstaller().then((data: installer.BundleInstaller) => {
+        data.install(hapFilePaths, (err: BusinessError) => {
             if (err) {
                 console.error('install failed:' + err.message);
             } else {
                 console.info('install successfully.');
             }
         });
-    }).catch(error => {
+    }).catch((error: BusinessError) => {
         console.error('getBundleInstaller failed. Cause: ' + error.message);
     });
 } catch (error) {
-    console.error('getBundleInstaller failed. Cause: ' + error.message);
+    let message = (error as BusinessError).message;
+    console.error('getBundleInstaller failed. Cause: ' + message);
 }
 ```
 
@@ -308,26 +318,29 @@ install(hapFilePaths: Array\<string\>, installParam?: InstallParam) : Promise\<v
 
 ```ts
 import installer from '@ohos.bundle.installer';
+import { BusinessError } from '@ohos.base';
+
 let hapFilePaths = ['/data/storage/el2/base/haps/entry/files/'];
-let installParam = {
+let installParam: installer.InstallParam = {
     userId: 100,
     isKeepData: false,
     installFlag: 1,
 };
 
 try {
-    installer.getBundleInstaller().then(data => {
+    installer.getBundleInstaller().then((data: installer.BundleInstaller) => {
         data.install(hapFilePaths, installParam)
-            .then((data) => {
+            .then((data: void) => {
                 console.info('install successfully: ' + JSON.stringify(data));
-        }).catch((error) => {
+            }).catch((error: BusinessError) => {
             console.error('install failed:' + error.message);
         });
-    }).catch(error => {
+    }).catch((error: BusinessError) => {
         console.error('getBundleInstaller failed. Cause: ' + error.message);
     });
 } catch (error) {
-    console.error('getBundleInstaller failed. Cause: ' + error.message);
+    let message = (error as BusinessError).message;
+    console.error('getBundleInstaller failed. Cause: ' + message);
 }
 ```
 
@@ -367,27 +380,30 @@ uninstall(bundleName: string, installParam: InstallParam, callback: AsyncCallbac
 
 ```ts
 import installer from '@ohos.bundle.installer';
+import { BusinessError } from '@ohos.base';
+
 let bundleName = 'com.ohos.demo';
-let installParam = {
+let installParam: installer.InstallParam = {
     userId: 100,
     isKeepData: false,
     installFlag: 1
 };
 
 try {
-    installer.getBundleInstaller().then(data => {
-        data.uninstall(bundleName, installParam, err => {
+    installer.getBundleInstaller().then((data: installer.BundleInstaller) => {
+        data.uninstall(bundleName, installParam, (err: BusinessError) => {
             if (err) {
                 console.error('uninstall failed:' + err.message);
             } else {
                 console.info('uninstall successfully.');
             }
         });
-    }).catch(error => {
+    }).catch((error: BusinessError) => {
         console.error('getBundleInstaller failed. Cause: ' + error.message);
     });
 } catch (error) {
-    console.error('getBundleInstaller failed. Cause: ' + error.message);
+    let message = (error as BusinessError).message;
+    console.error('getBundleInstaller failed. Cause: ' + message);
 }
 ```
 
@@ -425,22 +441,25 @@ uninstall(bundleName: string, callback: AsyncCallback&lt;void&gt;): void;
 
 ```ts
 import installer from '@ohos.bundle.installer';
+import { BusinessError } from '@ohos.base';
+
 let bundleName = 'com.ohos.demo';
 
 try {
-    installer.getBundleInstaller().then(data => {
-        data.uninstall(bundleName, err => {
+    installer.getBundleInstaller().then((data: installer.BundleInstaller) => {
+        data.uninstall(bundleName, (err: BusinessError) => {
             if (err) {
                 console.error('uninstall failed:' + err.message);
             } else {
                 console.info('uninstall successfully.');
             }
         });
-    }).catch(error => {
+    }).catch((error: BusinessError) => {
         console.error('getBundleInstaller failed. Cause: ' + error.message);
     });
 } catch (error) {
-    console.error('getBundleInstaller failed. Cause: ' + error.message);
+    let message = (error as BusinessError).message;
+    console.error('getBundleInstaller failed. Cause: ' + message);
 }
 ```
 ## BundleInstaller.uninstall
@@ -483,26 +502,29 @@ uninstall(bundleName: string, installParam?: InstallParam) : Promise\<void\>;
 **示例：**
 ```ts
 import installer from '@ohos.bundle.installer';
+import { BusinessError } from '@ohos.base';
+
 let bundleName = 'com.ohos.demo';
-let installParam = {
+let installParam: installer.InstallParam = {
     userId: 100,
     isKeepData: false,
     installFlag: 1,
 };
 
 try {
-    installer.getBundleInstaller().then(data => {
+    installer.getBundleInstaller().then((data: installer.BundleInstaller) => {
         data.uninstall(bundleName, installParam)
-            .then((data) => {
+            .then((data: void) => {
                 console.info('uninstall successfully: ' + JSON.stringify(data));
-        }).catch((error) => {
+            }).catch((error: BusinessError) => {
             console.error('uninstall failed:' + error.message);
         });
-    }).catch(error => {
+    }).catch((error: BusinessError) => {
         console.error('getBundleInstaller failed. Cause: ' + error.message);
     });
 } catch (error) {
-    console.error('getBundleInstaller failed. Cause: ' + error.message);
+    let message = (error as BusinessError).message;
+    console.error('getBundleInstaller failed. Cause: ' + message);
 }
 ```
 
@@ -539,27 +561,30 @@ recover(bundleName: string, installParam: InstallParam, callback: AsyncCallback&
 
 ```ts
 import installer from '@ohos.bundle.installer';
+import { BusinessError } from '@ohos.base';
+
 let bundleName = 'com.ohos.demo';
-let installParam = {
+let installParam: installer.InstallParam = {
     userId: 100,
     isKeepData: false,
     installFlag: 1
 };
 
 try {
-    installer.getBundleInstaller().then(data => {
-        data.recover(bundleName, installParam, err => {
+    installer.getBundleInstaller().then((data: installer.BundleInstaller) => {
+        data.recover(bundleName, installParam, (err: BusinessError) => {
             if (err) {
                 console.error('recover failed:' + err.message);
             } else {
                 console.info('recover successfully.');
             }
         });
-    }).catch(error => {
+    }).catch((error: BusinessError) => {
         console.error('getBundleInstaller failed. Cause: ' + error.message);
     });
 } catch (error) {
-    console.error('getBundleInstaller failed. Cause: ' + error.message);
+    let message = (error as BusinessError).message;
+    console.error('getBundleInstaller failed. Cause: ' + message);
 }
 ```
 
@@ -595,22 +620,25 @@ recover(bundleName: string, callback: AsyncCallback&lt;void&gt;): void;
 
 ```ts
 import installer from '@ohos.bundle.installer';
+import { BusinessError } from '@ohos.base';
+
 let bundleName = 'com.ohos.demo';
 
 try {
-    installer.getBundleInstaller().then(data => {
-        data.recover(bundleName, err => {
+    installer.getBundleInstaller().then((data: installer.BundleInstaller) => {
+        data.recover(bundleName, (err: BusinessError) => {
             if (err) {
                 console.error('recover failed:' + err.message);
             } else {
                 console.info('recover successfully.');
             }
         });
-    }).catch(error => {
+    }).catch((error: BusinessError) => {
         console.error('getBundleInstaller failed. Cause: ' + error.message);
     });
 } catch (error) {
-    console.error('getBundleInstaller failed. Cause: ' + error.message);
+    let message = (error as BusinessError).message;
+    console.error('getBundleInstaller failed. Cause: ' + message);
 }
 ```
 
@@ -651,26 +679,29 @@ recover(bundleName: string, installParam?: InstallParam) : Promise\<void\>;
 **示例：**
 ```ts
 import installer from '@ohos.bundle.installer';
+import { BusinessError } from '@ohos.base';
+
 let bundleName = 'com.ohos.demo';
-let installParam = {
+let installParam: installer.InstallParam = {
     userId: 100,
     isKeepData: false,
     installFlag: 1,
 };
 
 try {
-    installer.getBundleInstaller().then(data => {
+    installer.getBundleInstaller().then((data: installer.BundleInstaller) => {
         data.recover(bundleName, installParam)
-            .then((data) => {
+            .then((data: void) => {
                 console.info('recover successfully: ' + JSON.stringify(data));
-        }).catch((error) => {
+            }).catch((error: BusinessError) => {
             console.error('recover failed:' + error.message);
         });
-    }).catch(error => {
+    }).catch((error: BusinessError) => {
         console.error('getBundleInstaller failed. Cause: ' + error.message);
     });
 } catch (error) {
-    console.error('getBundleInstaller failed. Cause: ' + error.message);
+    let message = (error as BusinessError).message;
+    console.error('getBundleInstaller failed. Cause: ' + message);
 }
 ```
 
@@ -707,24 +738,27 @@ uninstall(uninstallParam: UninstallParam, callback : AsyncCallback\<void>) : voi
 
 ```ts
 import installer from '@ohos.bundle.installer';
-let uninstallParam = {
-    bundleName : "com.ohos.demo",
+import { BusinessError } from '@ohos.base';
+
+let uninstallParam: installer.UninstallParam = {
+    bundleName: "com.ohos.demo",
 };
 
 try {
-    installer.getBundleInstaller().then(data => {
-        data.uninstall(uninstallParam, err => {
+    installer.getBundleInstaller().then((data: installer.BundleInstaller) => {
+        data.uninstall(uninstallParam, (err: BusinessError) => {
             if (err) {
                 console.error('uninstall failed:' + err.message);
             } else {
                 console.info('uninstall successfully.');
             }
         });
-    }).catch(error => {
+    }).catch((error: BusinessError) => {
         console.error('getBundleInstaller failed. Cause: ' + error.message);
     });
 } catch (error) {
-    console.error('getBundleInstaller failed. Cause: ' + error.message);
+    let message = (error as BusinessError).message;
+    console.error('getBundleInstaller failed. Cause: ' + message);
 }
 ```
 
@@ -766,24 +800,27 @@ uninstall(uninstallParam: UninstallParam) : Promise\<void>;
 
 ```ts
 import installer from '@ohos.bundle.installer';
-let uninstallParam = {
-    bundleName : "com.ohos.demo",
+import { BusinessError } from '@ohos.base';
+
+let uninstallParam: installer.UninstallParam = {
+    bundleName: "com.ohos.demo",
 };
 
 try {
-    installer.getBundleInstaller().then(data => {
-        data.uninstall(uninstallParam, err => {
+    installer.getBundleInstaller().then((data: installer.BundleInstaller) => {
+        data.uninstall(uninstallParam, (err: BusinessError) => {
             if (err) {
                 console.error('uninstall failed:' + err.message);
             } else {
                 console.info('uninstall successfully.');
             }
         });
-    }).catch(error => {
+    }).catch((error: BusinessError) => {
         console.error('getBundleInstaller failed. Cause: ' + error.message);
     });
 } catch (error) {
-    console.error('getBundleInstaller failed. Cause: ' + error.message);
+    let message = (error as BusinessError).message;
+    console.error('getBundleInstaller failed. Cause: ' + message);
 }
 ```
 
@@ -836,27 +873,30 @@ updateBundleForSelf(hapFilePaths: Array\<string\>, installParam: InstallParam, c
 
 ```ts
 import installer from '@ohos.bundle.installer';
+import { BusinessError } from '@ohos.base';
+
 let hapFilePaths = ['/data/storage/el2/base/haps/entry/files/'];
-let installParam = {
+let installParam: installer.InstallParam = {
     userId: 100,
     isKeepData: false,
     installFlag: 1,
 };
 
 try {
-    installer.getBundleInstaller().then(data => {
-        data.updateBundleForSelf(hapFilePaths, installParam, err => {
+    installer.getBundleInstaller().then((data: installer.BundleInstaller) => {
+        data.updateBundleForSelf(hapFilePaths, installParam, (err: BusinessError) => {
             if (err) {
                 console.error('updateBundleForSelf failed:' + err.message);
             } else {
                 console.info('updateBundleForSelf successfully.');
             }
         });
-    }).catch(error => {
+    }).catch((error: BusinessError) => {
         console.error('getBundleInstaller failed. Cause: ' + error.message);
     });
 } catch (error) {
-    console.error('getBundleInstaller failed. Cause: ' + error.message);
+    let message = (error as BusinessError).message;
+    console.error('getBundleInstaller failed. Cause: ' + message);
 }
 ```
 
@@ -907,22 +947,25 @@ updateBundleForSelf(hapFilePaths: Array\<string\>, callback: AsyncCallback\<void
 
 ```ts
 import installer from '@ohos.bundle.installer';
+import { BusinessError } from '@ohos.base';
+
 let hapFilePaths = ['/data/storage/el2/base/haps/entry/files/'];
 
 try {
-    installer.getBundleInstaller().then(data => {
-        data.updateBundleForSelf(hapFilePaths, err => {
+    installer.getBundleInstaller().then((data: installer.BundleInstaller) => {
+        data.updateBundleForSelf(hapFilePaths, (err: BusinessError) => {
             if (err) {
                 console.error('updateBundleForSelf failed:' + err.message);
             } else {
                 console.info('updateBundleForSelf successfully.');
             }
         });
-    }).catch(error => {
+    }).catch((error: BusinessError) => {
         console.error('getBundleInstaller failed. Cause: ' + error.message);
     });
 } catch (error) {
-    console.error('getBundleInstaller failed. Cause: ' + error.message);
+    let message = (error as BusinessError).message;
+    console.error('getBundleInstaller failed. Cause: ' + message);
 }
 ```
 
@@ -974,26 +1017,29 @@ updateBundleForSelf(hapFilePaths: Array\<string\>, installParam?: InstallParam):
 
 ```ts
 import installer from '@ohos.bundle.installer';
+import { BusinessError } from '@ohos.base';
+
 let hapFilePaths = ['/data/storage/el2/base/haps/entry/files/'];
-let installParam = {
+let installParam: installer.InstallParam = {
     userId: 100,
     isKeepData: false,
     installFlag: 1,
 };
 
 try {
-    installer.getBundleInstaller().then(data => {
+    installer.getBundleInstaller().then((data: installer.BundleInstaller) => {
         data.updateBundleForSelf(hapFilePaths, installParam)
-            .then((data) => {
+            .then((data: void) => {
                 console.info('updateBundleForSelf successfully: ' + JSON.stringify(data));
-        }).catch((error) => {
+            }).catch((error: BusinessError) => {
             console.error('updateBundleForSelf failed:' + error.message);
         });
-    }).catch(error => {
+    }).catch((error: BusinessError) => {
         console.error('getBundleInstaller failed. Cause: ' + error.message);
     });
 } catch (error) {
-    console.error('getBundleInstaller failed. Cause: ' + error.message);
+    let message = (error as BusinessError).message;
+    console.error('getBundleInstaller failed. Cause: ' + message);
 }
 ```
 
diff --git a/zh-cn/application-dev/reference/apis/js-apis-launcherBundleManager.md b/zh-cn/application-dev/reference/apis/js-apis-launcherBundleManager.md
index c0eee70d41e4a9dd645b472388f8821dc56ca5cb..a91a1393c0524a9b59f8fc1a49efdcfb4492a27a 100644
--- a/zh-cn/application-dev/reference/apis/js-apis-launcherBundleManager.md
+++ b/zh-cn/application-dev/reference/apis/js-apis-launcherBundleManager.md
@@ -51,9 +51,11 @@ getLauncherAbilityInfo(bundleName: string, userId: number, callback: AsyncCallba
 
 ```ts
 import launcherBundleManager from '@ohos.bundle.launcherBundleManager';
+import { BusinessError } from '@ohos.base';
 
 try {
-    launcherBundleManager.getLauncherAbilityInfo('com.example.demo', 100, (errData, data) => {
+    launcherBundleManager.getLauncherAbilityInfo('com.example.demo', 100,
+        (errData: BusinessError, data: launcherBundleManager.LauncherAbilityInfo[]) => {
         if (errData !== null) {
             console.error(`errData is errCode:${errData.code}  message:${errData.message}`);
         } else {
@@ -61,7 +63,9 @@ try {
         }
     })
 } catch (errData) {
-    console.error(`errData is errCode:${errData.code}  message:${errData.message}`);
+    let code = (errData as BusinessError).code;
+    let message = (errData as BusinessError).message;
+    console.error(`errData is errCode:${code}  message:${message}`);
 }
 ```
 
@@ -101,17 +105,21 @@ getLauncherAbilityInfo(bundleName: string, userId: number) : Promise<Array\<[Lau
 
 **示例：**
 
-```typescript
+```ts
 import launcherBundleManager from '@ohos.bundle.launcherBundleManager';
+import { BusinessError } from '@ohos.base';
 
 try {
-    launcherBundleManager.getLauncherAbilityInfo("com.example.demo", 100).then(data => {
+    launcherBundleManager.getLauncherAbilityInfo("com.example.demo", 100)
+        .then((data: launcherBundleManager.LauncherAbilityInfo[]) => {
         console.log("data is " + JSON.stringify(data));
-    }).catch (errData => {
+    }).catch ((errData: BusinessError) => {
         console.error(`errData is errCode:${errData.code}  message:${errData.message}`);
     })
 } catch (errData) {
-    console.error(`errData is errCode:${errData.code}  message:${errData.message}`);
+    let code = (errData as BusinessError).code;
+    let message = (errData as BusinessError).message;
+    console.error(`errData is errCode:${code}  message:${message}`);
 }
 ```
 
@@ -151,9 +159,11 @@ getAllLauncherAbilityInfo(userId: number, callback: AsyncCallback<Array\<[Launch
 
 ```ts
 import launcherBundleManager from '@ohos.bundle.launcherBundleManager';
+import { BusinessError } from '@ohos.base';
 
 try {
-    launcherBundleManager.getAllLauncherAbilityInfo(100, (errData, data) => {
+    launcherBundleManager.getAllLauncherAbilityInfo(100,
+        (errData: BusinessError, data: launcherBundleManager.LauncherAbilityInfo[]) => {
         if (errData !== null) {
             console.error(`errData is errCode:${errData.code}  message:${errData.message}`);
         } else {
@@ -161,7 +171,9 @@ try {
         }
     });
 } catch (errData) {
-    console.error(`errData is errCode:${errData.code}  message:${errData.message}`);
+    let code = (errData as BusinessError).code;
+    let message = (errData as BusinessError).message;
+    console.error(`errData is errCode:${code}  message:${message}`);
 }
 ```
 ## launcherBundlemanager.getAllLauncherAbilityInfo<sup>9+</sup>
@@ -200,15 +212,19 @@ getAllLauncherAbilityInfo(userId: number) : Promise<Array\<[LauncherAbilityInfo]
 
 ```ts
 import launcherBundleManager from '@ohos.bundle.launcherBundleManager';
+import { BusinessError } from '@ohos.base';
 
 try {
-    launcherBundleManager.getAllLauncherAbilityInfo(100).then(data => {
+    launcherBundleManager.getAllLauncherAbilityInfo(100)
+        .then((data: launcherBundleManager.LauncherAbilityInfo[]) => {
         console.log("data is " + JSON.stringify(data));
-    }).catch (errData => {
+    }).catch ((errData: BusinessError) => {
         console.error(`errData is errCode:${errData.code}  message:${errData.message}`);
     });
 } catch (errData) {
-    console.error(`errData is errCode:${errData.code}  message:${errData.message}`);
+    let code = (errData as BusinessError).code;
+    let message = (errData as BusinessError).message;
+    console.error(`errData is errCode:${code}  message:${message}`);
 }
 ```
 
@@ -246,9 +262,11 @@ getShortcutInfo(bundleName :string, callback: AsyncCallback<Array\<[ShortcutInfo
 
 ```ts
 import launcherBundleManager from '@ohos.bundle.launcherBundleManager';
+import { BusinessError } from '@ohos.base';
 
 try {
-    launcherBundleManager.getShortcutInfo("com.example.demo", (errData, data) => {
+    launcherBundleManager.getShortcutInfo("com.example.demo",
+        (errData: BusinessError, data: launcherBundleManager.ShortcutInfo[]) => {
         if (errData !== null) {
             console.error(`errData is errCode:${errData.code}  message:${errData.message}`);
         } else {
@@ -256,7 +274,9 @@ try {
         }
     });
 } catch (errData) {
-    console.error(`errData is errCode:${errData.code}  message:${errData.message}`);
+    let code = (errData as BusinessError).code;
+    let message = (errData as BusinessError).message;
+    console.error(`errData is errCode:${code}  message:${message}`);
 }
 ```
 
@@ -294,14 +314,18 @@ getShortcutInfo(bundleName : string) : Promise<Array\<[ShortcutInfo](js-apis-bun
 
 ```ts
 import launcherBundleManager from '@ohos.bundle.launcherBundleManager';
+import { BusinessError } from '@ohos.base';
 
 try {
-    launcherBundleManager.getShortcutInfo("com.example.demo").then(data => {
+    launcherBundleManager.getShortcutInfo("com.example.demo")
+        .then((data: launcherBundleManager.ShortcutInfo[]) => {
         console.log("data is " + JSON.stringify(data));
-    }).catch (errData => {
+    }).catch ((errData: BusinessError) => {
         console.error(`errData is errCode:${errData.code}  message:${errData.message}`);
     });
 } catch (errData) {
-    console.error(`errData is errCode:${errData.code}  message:${errData.message}`);
+    let code = (errData as BusinessError).code;
+    let message = (errData as BusinessError).message;
+    console.error(`errData is errCode:${code}  message:${message}`);
 }
 ```