From 9d60e38dad32a3836617302391b51166ec4f022f Mon Sep 17 00:00:00 2001
From: zzz701 <lihaima1@huawei.com>
Date: Wed, 18 Jun 2025 22:40:28 +0800
Subject: [PATCH] call back

Signed-off-by: zzz701 <lihaima1@huawei.com>
---
 .../entry/src/main/ets/entryability/EntryAbility.ets        | 4 ++--
 code/HelloWorld/entry/src/main/ets/models/MyCallback.ets    | 6 ++++--
 2 files changed, 6 insertions(+), 4 deletions(-)

diff --git a/code/HelloWorld/entry/src/main/ets/entryability/EntryAbility.ets b/code/HelloWorld/entry/src/main/ets/entryability/EntryAbility.ets
index 5158b13b6f..86a9ad622a 100644
--- a/code/HelloWorld/entry/src/main/ets/entryability/EntryAbility.ets
+++ b/code/HelloWorld/entry/src/main/ets/entryability/EntryAbility.ets
@@ -15,10 +15,10 @@ class EntryAbility extends UIAbility {
   onWindowStageCreate(windowStage: window.WindowStage): void {
     hilog.info(0x0000, 'testTag', 'EntryAbility onWindowStageCreate');
     try {
-      windowStage.loadContent('pages/Index', (err: BusinessError<void>): void => {
+      windowStage.loadContent('pages/Index', (err: BusinessError<void> | null): void => {
         hilog.info(0x0000, 'testTag', 'loadContent entering');
         MyCallback.runCasesOfCallback();
-        if (err.code) {
+        if (err && err.code) {
           hilog.info(0x0000, 'testTag', 'loadContent error');
           return;
         }
diff --git a/code/HelloWorld/entry/src/main/ets/models/MyCallback.ets b/code/HelloWorld/entry/src/main/ets/models/MyCallback.ets
index 5827b846dc..5bdf82c967 100644
--- a/code/HelloWorld/entry/src/main/ets/models/MyCallback.ets
+++ b/code/HelloWorld/entry/src/main/ets/models/MyCallback.ets
@@ -28,8 +28,10 @@ export class MyCallback {
     MyCallback.myCallback((data: string) => {
       hilog.info(0x0000, 'testTag', 'MyCallback' + data);
     })
-    MyCallback.myAsyncCallback((error: BusinessError<string>, result: string) => {
-      hilog.info(0x0000, 'testTag', `myAsyncCallback, error: ${error.message}, result:${result}`);
+    MyCallback.myAsyncCallback((error: BusinessError<string> | null, result: string | undefined) => {
+      if (error && result) {
+        hilog.info(0x0000, 'testTag', `myAsyncCallback, error: ${error.message}, result:${result}`);
+      }
     })
     MyCallback.myErrorCallback((error: BusinessError<string>) => {
       hilog.info(0x0000, 'testTag', `myAsyncCallback, error: ${error.message}`);
-- 
Gitee