diff --git a/zh-cn/application-dev/reference/apis/js-apis-osAccount.md b/zh-cn/application-dev/reference/apis/js-apis-osAccount.md
index be22f84244dfaaf28f19f430646edace95f6a50e..dc98c6587168bb5ea41179f726b6afb4b45ce2c1 100644
--- a/zh-cn/application-dev/reference/apis/js-apis-osAccount.md
+++ b/zh-cn/application-dev/reference/apis/js-apis-osAccount.md
@@ -90,7 +90,9 @@ activateOsAccount(localId: number, callback: AsyncCallback<void>): void
       }
     });
   } catch (err) {
-    console.error(`activateOsAccount failed, code is ${err.code}, message is ${err.message}`);
+    let code = (err as BusinessError).code
+    let message = (err as BusinessError).message
+    console.error(`activateOsAccount failed, code is ${code}, message is ${message}`);
   }
   ```
 
@@ -178,7 +180,9 @@ checkMultiOsAccountEnabled(callback: AsyncCallback<boolean>): void
       }
     });
   } catch (err) {
-    console.error(`checkMultiOsAccountEnabled failed, code is ${err.code}, message is ${err.message}`);
+    let code = (err as BusinessError).code
+    let message = (err as BusinessError).message
+    console.error(`checkMultiOsAccountEnabled failed, code is ${code}, message is ${message}`);
   }
   ```
 
@@ -214,7 +218,9 @@ checkMultiOsAccountEnabled(): Promise<boolean>
       console.error(`checkMultiOsAccountEnabled failed, code is ${err.code}, message is ${err.message}`);
     });
   } catch (err) {
-    console.error(`checkMultiOsAccountEnabled failed, code is ${err.code}, message is ${err.message}`);
+    let code = (err as BusinessError).code
+    let message = (err as BusinessError).message
+    console.error(`checkMultiOsAccountEnabled failed, code is ${code}, message is ${message}`);
   }
   ```