From 02f7436546853095202d1c42e4641f6e1fe2c9e1 Mon Sep 17 00:00:00 2001
From: liuwei <liuwei573@huawei.com>
Date: Wed, 23 Aug 2023 11:26:45 +0800
Subject: [PATCH] modify apprecovervy

Signed-off-by: liuwei <liuwei573@huawei.com>
---
 en/application-dev/dfx/apprecovery-guidelines.md | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/en/application-dev/dfx/apprecovery-guidelines.md b/en/application-dev/dfx/apprecovery-guidelines.md
index 456bbae976..deb4d559f6 100644
--- a/en/application-dev/dfx/apprecovery-guidelines.md
+++ b/en/application-dev/dfx/apprecovery-guidelines.md
@@ -168,9 +168,9 @@ onWindowStageDestroy() {
     console.log("[Demo] MainAbility onWindowStageDestroy")
 
     G.unRegisterObserver = (() => {
-        errorManager.off(type: 'error', registerId: number, (err) => {
+        errorManager.off(type: 'error', registerId: number, (err:Error) => {
             console.error("[Demo] err:", err);
-        }): void;
+        });
     })
 }
 ```
-- 
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